MCQ Questions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases with Answers

Breathing and Exchange of Gases Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Breathing and Exchange of Gases Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 17 MCQ With Answers

Biology Class 11 Chapter 17 MCQs On Breathing and Exchange of Gases

Breathing And Exchange Of Gases MCQ Question 1.
The function of pneumotaxic centre is
(a) regulate inspiration
(b) regulate rhythm
(c) increase heart rate
(d) all of the above

Answer

Answer: (a) regulate inspiration
Explanation:
Pneumotaxic centre lies in pons in the brain. It regulates inspiration.


Breathing And Exchange Of Gases Class 11 MCQ Question 2.
Which one of the following is NOT correct?
(a) The nasal cavity warms and humidifies the air before it enters the lungs
(b) The right lung is composed of three lobes, but the left lung has only two lobes
(c) Lung volumes and vital capacity measure lung function.
(d) The visceral pleura is in direct contact with the chest wall.

Answer

Answer: (d) The visceral pleura is in direct contact with the chest wall.


Class 11 Biology Chapter 17 MCQ Questions Question 3.
______ lies in front of esophagus.
(a) Trachea
(b) Glottis
(c) Larynx
(d) Epiglottis

Answer

Answer: (a) Trachea


MCQ Questions On Breathing And Exchange Of Gases Class 11 Question 4.
In brain, respiratory control centre lies in
(a) pons
(b) medulla oblongata
(c) hypothalamus
(d) cerebrum

Answer

Answer: (b) medulla oblongata
Explanation:
Respiratory control centre or respiratory rhythm centre lies in medulla oblongata.
Pneumotaxic centre which lies in pons region of the brain can moderate the functions of the respiratory rhythm centre.


MCQ On Breathing And Exchange Of Gases Question 5.
Deoxygenated blood from heart comes to lungs via
(a) pulmonary vein
(b) systemic vein
(c) pulmonary artery
(d) systemic artery

Answer

Answer: (c) pulmonary artery
Explanation:
MCQ On Breathing And Exchange Of Gases Class 11


MCQ On Breathing And Exchange Of Gases Class 11 Question 6.
Breathing And Exchange Of Gases Class 11 MCQ Pdf Download
Label the parts of the human respiratory system.
(a) A- Oesophagus, B- Bronchioles, C- Lungs
(b) A- Trachea, B- Bronchioles, C- Lungs
(c) A- Trachea, B- Bronchus, C- Lungs
(d) A- Oesophagus, B- Bronchioles, C- Pleura

Answer

Answer: (c) A- Trachea, B- Bronchus, C- Lungs
Explanation:
MCQ Of Breathing And Exchange Of Gases


Breathing And Exchange Of Gases Class 11 MCQ Pdf Download Question 7.
Pleura is a layer covering
(a) heart
(b) kidneys
(c) lungs
(d) brain

Answer

Answer: (c) lungs
Explanation:
Double layered membrane called pleura, which covers lungs in human body.


MCQ Of Breathing And Exchange Of Gases Question 8.
Rheumatic fever can cause damage
(a) Alveoli of the Lungs
(b) heart valves
(c) heart muscles
(d) pleural membranes function

Answer

Answer: (b) heart valves


MCQ Of Chapter 17 Class 11 Biology Question 9.
What protects the moist membranes of the respiratory tract?
(a) Mucus and cilia
(b) A c shaped cartilage rings
(c) A pebbly epidermal surface
(d) An acidic glands

Answer

Answer: (a) Mucus and cilia


Class 11 Breathing And Exchange Of Gases MCQ Question 10.
RBCs, plasma and biocarbonate are the medium for transport of carbondioxide. Maximum amount of carbon dioxide is carried by
(a) RBCs
(b) Plasma
(c) Bicarbonates
(d) All RBCs and bicarbonate carried 70 per cent of carbondixide.

Answer

Answer: (c) Bicarbonates
Explanation:
20-25 per cent of carbondioxide is carried by RBCs.
70 per cent is carried as bicarbonate.
7 per cent is carried in a dissolved state through plasma.


Breathing And Exchange Of Gases MCQs Question 11.
The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.
(a) Total lung capacity
(b) Vital capacity
(c) Tidal volume
(d) Ventilation rate

Answer

Answer: (b) Vital capacity


MCQs On Breathing And Exchange Of Gases Question 12.
Which one of the followings is correct regarding larynx?
(a) It prevents foreign objects from entering the trachea
(b) It houses the vocal cords
(c) It is an organ made of cartilage and connects the pharynx to the trachea
(d) All of these are correct

Answer

Answer: (d) All of these are correct


Breathing And Exchange Of Gases MCQ With Answers Question 13.
Which of the following statements is true about Trachea in a respiratory system?
(a) It functions as passages of air to each alveolus
(b) It functions for sound production
(c) It Acts as passage of air to bronchi
(d) It Lowers the surface tension

Answer

Answer: (c) It Acts as passage of air to bronchi


Chapter 17 Biology Class 11 MCQ Question 14.
Which of the following statement is true?
(a) Every 100 mL of deoxygenated blood delivers approximately 4 mL of carbondioxide to the alveoli.
(b) Every 100 mL of oxygenated blood delivers approximately 4 mL of oxygen to the tissues.
(c) Every 100 mL of oxygenated blood delivers approximately 4 mL of carbondioxide to the alveoli.
(d) Every 100 mL of deoxygenated blood delivers approximately 10 mL of carbondioxide to the alveoli.

Answer

Answer: (a) Every 100 mL of deoxygenated blood delivers approximately 4 mL of carbondioxide to the alveoli.
Explanation:
Every 100 mL of deoxygenated blood delivers approximately 4 mL of carbondioxide to the alveoli.
Every 100 mL of oxygenated blood delivers approximately 5 mL of oxygen to the tissues under normal physiological conditions.


Class 11 Biology Breathing And Exchange Of Gases MCQ Question 15.
Trachea divides into bronchi at
(a) 4th thoracic vertebra
(b) 5th thoracic vertebra
(c) 6th thoracic vertebra
(d) 7th thoracic vertebra

Answer

Answer: (b) 5th thoracic vertebra
Explanation:
Trachea is a straight tube extending up to the mid-thoracic cavity. It divides into bronchi at 5th thoracic vertebra.


Question 16.
Aerobic respiratory pathway is also termed as ______ pathway.
(a) Anabolic
(b) Catabolic
(c) Creatine phosphate
(d) Amphibolic

Answer

Answer: (d) Amphibolic


Question 17.
The oxygen dissociation curve is shifted to the right by an increase in ______.
(a) H+ concentration
(b) PCO2
(c) temperature
(d) All of these

Answer

Answer: (d) All of these


Question 18.
The maximum volume of air contained in the lung by a full forced inhalation is called
(a) Vital capacity
(b) Tidal volume
(c) Total lung capacity
(d) Inspiratory capacity

Answer

Answer: (c) Total lung capacity


Question 19.
Which one of the following is NOT correct?
(a) The nasal cavity warms and humidifies the air before it enters the lungs
(b) The right lung is composed of three lobes, but the left lung has only two lobes.
(c) Lung volumes and vital capacity measure lung function.
(d) The visceral pleura is in direct contact with the chest wall.

Answer

Answer: (d) The visceral pleura is in direct contact with the chest wall.


Question 20.
Which organ lies in thoracic cavity?
(a) Heart
(b) Lungs
(c) Pancreas
(d) Both 1and 2

Answer

Answer: (d) Both 1 and 2
Explanation:
Lungs and heart both resides in thoracic cavity.


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Breathing and Exchange of Gases MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 3 Plant Kingdom with Answers

Plant Kingdom Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 3 Plant Kingdom with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Plant Kingdom Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 3 MCQ With Answers

Biology Class 11 Chapter 3 MCQs On Plant Kingdom

Plant Kingdom Class 11 MCQ Question 1.
Rhodophyceae is called red algae because of the pigment
(a) Fucoxanthin
(b) Phycoerythrin
(c) Carotenoids
(d) Chlorophyll c

Answer

Answer: (b) Phycoerythrin
Explanation:
Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.


Class 11 Biology Chapter 3 MCQ Question 2.
Which of the followings plant material is an efficient water imbibant?
(a) Agar
(b) Cellulose
(c) Lignin
(d) Pectin

Answer

Answer: (a) Agar


Plant Kingdom MCQ Class 11 Question 3.
In a monoecious plant
(a) Male and female sex organs are on the same individual
(b) Male and female gametes are of two morphologically distinct types
(c) Male and female sex organs are on different individuals
(d) All the stamens are fused to form one unit

Answer

Answer: (a) Male and female sex organs are on the same individual


MCQ Questions For Class 11 Biology Chapter 3 Question 4.
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
(a) Pteridophytes
(b) Angiosperms
(c) Gymnosperms
(d) None of these

Answer

Answer: (a) Pteridophytes


MCQ Of Plant Kingdom Class 11 Question 5.
Which of the following is a liverwort?
(a) Sphagnum
(b) Funaria
(c) Marchantia
(d) Polytrichum

Answer

Answer: (c) Marchantia
Explanation:
Marchantia is a liverwort.
Sphagnum, Funaria and Polytrichum are mosses.


Chapter 3 Biology Class 11 MCQs Question 6.
Transgenic plants are the ones
(a) Grown in artificial medium after hybridization in the field
(b) Produced by a somatic embryo in artificial medium
(c) Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
(d) Produced after protoplast fusion in artificial medium

Answer

Answer: (c) Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell


MCQ On Plant Kingdom Class 11 Question 7.
Which of the following plants is used extensively for the study of photosynthesis?
(a) Amaranthus
(b) Asparagus
(c) Chlorella
(d) Sunflower

Answer

Answer: (c) Chlorella


MCQs Of Biology Class 11 Chapter 3 Question 8.
Which of the following is used to grow microbes?
(a) Laminaria
(b) Gelidium
(c) Chlorella
(d) Sargassum

Answer

Answer: (b) Gelidium
Explanation:
Agar is extracted from Gelidium and Gracilaria, it is used to grow microbes and in preparation of ice-cream and jellies.


Class 11 Plant Kingdom MCQ Question 9.
Isogamous condition with non-flagellated gametes is found in
(a) Chlamydomonas
(b) Spirogyra
(c) Volvox
(d) Fucus

Answer

Answer: (b) Spirogyra


Ch 3 Bio Class 11 MCQ Question 10.
Gymnosperms produce neither flower nor fruit because they do not possess
(a) Embryo
(b) Ovary
(c) Ovule
(d) Seed

Answer

Answer: (b) Ovary


MCQ Of Chapter 3 Biology Class 11 Question 11.
Rhodophyceae is called red algae because of the pigment
(a) Fucoxanthin
(b) Phycoerythrin
(c) Carotenoids
(d) Chlorophyll c

Answer

Answer: (b) Phycoerythrin
Explanation:
Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.


Class 11 Bio Ch 3 MCQ Question 12.
In moss stomata appears on
(a) Capsule
(b) Leaves
(c) Stem
(d) All of these

Answer

Answer: (a) Capsule


Plant Kingdom Class 11 MCQ With Answers Question 13.
The gametophyte is not an independent, free-living generation in
(a) Pinus
(b) Polytrichum
(c) Adiantum
(d) Marchantia

Answer

Answer: (a) Pinus


Class 11 Bio Chapter 3 MCQ Question 14.
In gymnosperms, the development of pollen grains occurs in
(a) Strobili
(b) Microsporangia
(c) Megasporangia
(d) Macrosporangia

Answer

Answer: (b) Microsporangia
Explanation:
In gymnosperms, the development of pollen grains occur in microsporangia.


MCQ Plant Kingdom Class 11 Question 15.
Ribbon shaped chloroplasts occur in
(a) Ulothrix
(b) Spirogyra
(c) Chlamydomonas
(d) Riccia

Answer

Answer: (b) Spirogyra


Question 16.
Antheridia and Archegonia are sex organs of
(a) Moss
(b) Mucor
(c) Spirogyra
(d) Puccinia

Answer

Answer: (a) Moss


Question 17.
Iodine is found in
(a) Spirogyra
(b) Laminaria
(c) Polysiphonia
(d) Chlorella

Answer

Answer: (b) Laminaria


Question 18.
Bryophytes are called amphibians of plant kingdom because
(a) These plants live in soil and depend on marine organisms for asexual reproduction.
(b) These plants live in soil and depend on water for sexual reproduction.
(c) These plants live in water and depend on land animals for sexual reproduction.
(d) These plants live near water bodies.

Answer

Answer: (b) These plants live in soil and depend on water for sexual reproduction.
Explanation:
Bryophytes are called amphibians of plant Kingdom because they live in soil and depend on water for sexual reproduction.
They usually occur in damp humid and shaded areas.


Question 19.
Which one of the following is a vascular cryptogram?
(a) Cedrus
(b) Equisetum
(c) Ginkgo
(d) Marchantia

Answer

Answer: (b) Equisetum


Question 20.
Pinus differs from mango in having
(a) Tree habit
(b) Green leaves
(c) Ovules not enclosed in ovary
(d) Wood

Answer

Answer: (c) Ovules not enclosed in ovary


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 3 Plant Kingdom with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Plant Kingdom MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 7 Structural Organisation in Animals with Answers

Structural Organisation in Animals Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 7 Structural Organisation in Animals with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Structural Organisation in Animals Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 7 MCQ With Answers

Biology Class 11 Chapter 7 MCQs On Structural Organisation in Animals

Structural Organisation In Animals Class 11 MCQ Question 1.
Blood corpuscles are formed in the
(a) Haversian canal
(b) endosteum
(c) red bone marrow
(d) pancreas

Answer

Answer: (c) red bone marrow


Structural Organisation In Animals MCQ Question 2.
Which of the following is absent in female frog?
(a) Webbed feet
(b) Copulatory pads
(c) Tympanum
(d) All are present

Answer

Answer: (b) Copulatory pads
Explanation:
Copulatory pads are absent in female frog.
These are present on the first digit of the fore limbs.


Class 11 Biology Chapter 7 MCQ Question 3.
Osteoblasts are found in
(a) blood
(b) muscle
(c) bone
(d) catrilage

Answer

Answer: (c) bone


MCQ Questions For Class 11 Biology Chapter 7 Question 4.
Choose the incorrect statement.
(a) Vascular system of frog is closed type.
(b) Frogs have 4-chambered heart.
(c) During aestivation and hibernation, skin acts as respiratory organ.
(d) All the statements are correct.

Answer

Answer: (b) Frogs have 4-chambered heart.
Explanation:
Vascular system of frogs is closed and they have 3-chambered heart.


Chapter 7 Biology Class 11 MCQs Question 5.
Which one of the four parts mentioned below is not part of a single uriniferous tubule ?
(a) Bowman scapsule
(b) Loop of Henle
(c) Distal convoluted tubule
(d) Collecting ducts

Answer

Answer: (d) Collecting ducts


MCQs Of Biology Class 11 Chapter 7 Question 6.
Ciliated epithelium is present in
(a) fallopian tubes
(b) blood vessels
(c) mid brain
(d) none of the above

Answer

Answer: (a) fallopian tubes
Explanation:
Ciliated epithelium is present in inner surface of hollow organs like bronchioles ando fallopian tubes.


Ch 7 Bio Class 11 MCQ Question 7.
The vascular tissue of blood is made up of
(a) RBC
(b) plasma
(c) platelets
(d) all of the above

Answer

Answer: (d) all of the above


MCQ On Structural Organisation In Animals Question 8.
Which membrane protects the eyes of frog in water?
(a) Tympanum
(b) Skin
(c) Sebaceous
(d) Nictitating

Answer

Answer: (d) Nictitating
Explanation:
Frogs have nictitating membrane which protect their eyes in water.


Class 11 Bio Ch 7 MCQ Question 9.
Fats are richly found in
(a) alveolar tissue
(b) lymph glands
(c) adipose tissue
(d) liver cells

Answer

Answer: (c) adipose tissue


MCQ Of Chapter 7 Biology Class 11 Question 10.
The main function of the skin of frog is
(a) the exchange of respiratory gases
(b) the storage of fat
(c) the storage of energy
(d) to convert light vitamin D

Answer

Answer: (a) the exchange of respiratory gases


MCQ On Structural Organisation In Animals Class 11 Question 11.
The ciliated epithelium in our body may be found in
(a) trachea
(b) ureter
(c) bile duct
(d) intestines

Answer

Answer: (a) trachea


Class 11 Bio Chapter 7 MCQ Question 12.
Which one of the following is a scent gland of mammals?
(a) Bartholin
(b) Anal
(c) Prostate
(d) Adrenal

Answer

Answer: (b) Anal


Structural Organisation In Animals MCQ Class 11 Question 13.
The characteristic of simple eqithelium is that
(a) the cells are loosely placed
(b) they are single – layered in thickness
(c) cells are tightly packed with no intercelluar spaces
(d) cells are generally ciliated

Answer

Answer: (b) they are single – layered in thickness


Biology Class 11 Chapter 7 MCQs Question 14.
Spot the salivary gland in the following :
(a) sublingual
(b) adrenal
(c) Brunners
(d) lacrimal

Answer

Answer: (a) sublingual


Structural Organisation In Animals MCQ With Answers Question 15.
Protein not found in the connective tissues is
(a) actin
(b) ossein
(c) collagen
(d) elastin

Answer

Answer: (a) actin


Class 11 Biology Ch 7 MCQ Question 16.
Tendons connect the following:
(a) bone to bone
(b) muscle to muscle
(c) cartilage to muscle
(d) bone to muscle

Answer

Answer: (d) bone to muscle


Class 11 Structural Organisation In Animals MCQ Question 17.
Frogs are beneficial to us because
(a) they protect crops.
(b) they links food web
(c) they are food to man.
(d) all of these

Answer

Answer: (d) all of these
Explanation:
Frogs are beneficial to man because they protect crops and eat insects.
They maintain ecological balance.
They link food chain and food web.
Muscular leg of frog is used as food by man.


Structural Organization In Animals MCQ Question 18.
Which membrane protects the eyes of frog in water?
(a) Tympanum
(b) Skin
(c) Sebaceous
(d) Nictitating

Answer

Answer: (d) Nictitating
Explanation:
Frogs have nictitating membrane which protect their eyes in water.


MCQ Of Structural Organisation In Animals Question 19.
Which of the following helps in locomotion of earthworms?
(a) Clitellum
(b) Setae
(c) Intersegmental grooves
(d) Nephridiophores

Answer

Answer: (b) Setae
Explanation:
Setae helps in locomotion of earthworms.


MCQ Of Structural Organisation In Animals Class 11 Question 20.
Which is not a part of reproductive system of female cockroach?
(a) Phallic gland
(b) Vestibulum
(c) Gonapophyses
(d) Collaterial glands

Answer

Answer: (a) Phallic gland
Explanation:
Phallic gland is a part of male reproductive system of cockroach.
It helps in formation of spermatophores.


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 7 Structural Organisation in Animals with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Structural Organisation in Animals MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 4 Animal Kingdom with Answers

Animal Kingdom Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 4 Animal Kingdom with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Animal Kingdom Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 4 MCQ With Answers

Biology Class 11 Chapter 4 MCQs On Animal Kingdom

Animal Kingdom Class 11 MCQ Question 1.
Radula is found in
(a) Pila sp.
(b) Chiton sp.
(c) Lamellidens sp.
(d) Pinctada sp.

Answer

Answer: (a) Pila sp.


Animal Kingdom Class 11 MCQ Questions And Answers Question 2.
Sharks, skates, and rays are also called ______ fishes.
(a) Jawless
(b) Bony
(c) Cartilaginous
(d) Freshwater

Answer

Answer: (c) Cartilaginous


Class 11 Biology Chapter 4 MCQ Question 3.
Turtles are
(a) Arthropods
(b) Pisces
(c) Reptiles
(d) Molluscs

Answer

Answer: (c) Reptiles


MCQ Of Animal Kingdom Class 11 Question 4.
The clam nervous system is composed of
(a) labial palps
(b) one pair of ganglia
(c) two pairs of ganglia
(d) three pairs of ganglia

Answer

Answer: (d) three pairs of ganglia


Class 11 Animal Kingdom MCQ Question 5.
Choose the correct pair.
(a) Hippocampus – 3-chambered heart
(b) Rana – 2-chambered heart
(c) Crocodilus – 4-chambered heart
(d) Pavo – 3-chambered heart

Answer

Answer: (c) Crocodilus – 4-chambered heart
Explanation:
Hippocampus (sea horse) belongs to class osteichthyes. It has 2-chambered heart (one auricle and one ventricle).
Rana (frog) belongs to class amphibia. It has a 3-chambered heart (two auricles and one ventricle).
Crocodilus (crocodile) belongs to class reptilia. It is an exception in reptiles.
Pavo (peacock) belongs to class aves. It has 4-chambered heart.


Animal Kingdom MCQ Class 11 Question 6.
Who wrote the book Systema Naturae?
(a) Lamarck
(b) Darwin
(c) Wallace
(d) Linnaeus

Answer

Answer: (d) Linnaeus


MCQ Questions For Class 11 Biology Chapter 4 Question 7.
Which of the following statement is correct?
(a) Platypus lays eggs
(b) Camels have biconcave RBCs
(c) Whales respire by gills
(d) Bats do not fly

Answer

Answer: (a) Platypus lays eggs


MCQ On Animal Kingdom Class 11 Question 8.
Osteichthyes belongs to
(a) class amphibia
(b) super class pisces
(c) super class tetrapoda
(d) division agnatha

Answer

Answer: (b) super class pisces


Chapter 4 Biology Class 11 MCQs Question 9.
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
(a) Mammalia : give birth to young ones
(b) Reptilia : possess 3-chambered heart with one incompletely divided ventricle
(c) Chordata : possess a mouth provided with an upper and a lower jaw
(d) Chondrichthyes : possess cartilaginous endoskeleton

Answer

Answer: (d) Chondrichthyes : possess cartilaginous endoskeleton


MCQs Of Biology Class 11 Chapter 4 Question 10.
Which one of the following phylum is characterized by absence of true coelom?
(a) Annelida
(b) Mollusca
(c) Echinodermata
(d) Nematoda

Answer

Answer: (d) Nematoda


Animal Kingdom MCQ Questions Question 11.
Which of the following is a pseudocoelomate?
(a) Platyhelminthes
(b) Aschelminthes
(c) Mollusca
(d) Hemi-chordates

Answer

Answer: (b) Aschelminthes
Explanation:
Aschelminthes is a pseudocoelomate.


Ch 4 Bio Class 11 MCQ Question 12.
Which kind of symmetry occurs in sea anemone?
(a) Bilateral
(b) Radial
(c) Asymmetry
(d) None of these

Answer

Answer: (b) Radial


Class 11 Bio Ch 4 MCQ Question 13.
Phylum that doesnt have a true coelom is
(a) Platyhelminthes
(b) Annelida
(c) Echinoderms
(d) Arthropoda

Answer

Answer: (a) Platyhelminthes


Class 11 Biology Chapter 4 MCQs Question 14.
Male mosquitoes usually feed on
(a) Garbage
(b) Human blood
(c) Flower sap
(d) All of the above

Answer

Answer: (c) Flower sap


Animal Kingdom Class 11 MCQs Question 15.
Bed Bugs contribute to the spread of
(a) Typhoid
(b) Yellow fever
(c) Typhus
(d) Trench fever

Answer

Answer: (c) Typhus


MCQ Animal Kingdom Class 11 Question 16.
Which one of the following is NOT a characteristic of phylum Annelida?
(a) Ventral nerve cord
(b) Closed circulatory system
(c) Segmentation
(d) Pseudocoelom

Answer

Answer: (d) Pseudocoelom


Question 17.
______ are devoid of respiratory, excretory and circulatory organs.
(a) Threadworms
(b) Sponges
(c) Tapeworms
(d) Liver fluke

Answer

Answer: (b) Sponges


Question 18.
Fluke infections are diseases of the _______ in humans.
(a) Blood
(b) Bile
(c) Digestive tract
(d) Lungs

Answer

Answer: (c) Digestive tract


Question 19.
Water-Vascular system is found in
(a) Sea-anemone
(b) Sea-pen
(c) Sea-cucumber
(d) Sea-horse

Answer

Answer: (c) Sea-cucumber


Question 20.
Order Rhynchocephalia consists of
(a) Tuataras
(b) Lizards and snakes
(c) Turtles and tortoises
(d) Crocodiles, alligators, caimans

Answer

Answer: (a) Tuataras


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 4 Animal Kingdom with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Animal Kingdom MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases with Answers

Digestion and Absorption Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Digestion and Absorption Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 16 MCQ With Answers

Biology Class 11 Chapter 16 MCQs On Digestion and Absorption

Digestion And Absorption Class 11 MCQ Question 1.
Which part of brain causes nausea?
(a) Pons
(b) Hypothalamus
(c) Parietal lobe
(d) Medulla

Answer

Answer: (d) Medulla
Explanation:
Vomiting is the ejection of stomach contents through mouth.
This is the reflex action which is controlled by medulla.
A feeling of nausea preceds vomiting.


Digestion And Absorption MCQ Class 11 Question 2.
Correct enzyme-substrate pair is
(a) Maltose-lactase
(b) Protein-amylase
(c) Carbohydrate-lipase
(d) Casein-rennin

Answer

Answer: (d) Casein-rennin


Class 11 Biology Chapter 16 MCQ Questions Question 3.
Peyers patches found in the small intestine are
(a) Epithelial tissue
(b) Glandular tissue
(c) Lymphatic tissue
(d) Haemopoietic tissue

Answer

Answer: (c) Lymphatic tissue


MCQ On Digestion And Absorption Class 11 Question 4.
During prolonged fasting, in what sequence are the following organic compounds used up by the body?
(a) First carbohydrates, next proteins and lastly lipids
(b) First carbohydrates, next fats and lastly proteins
(c) First fats, next carbohydrates and lastly proteins
(d) First proteins next lipids and lastly carbohydrates

Answer

Answer: (b) First carbohydrates, next fats and lastly proteins


Digestion And Absorption Class 11 Ncert MCQ Pdf Question 5.
In glycolysis ultimately
(a) starch is converted into glucose
(b) glucose is converted into fructose
(c) protein is converted into glucose
(d) glucose is converted into pyruric acid

Answer

Answer: (d) glucose is converted into pyruric acid


MCQ On Digestion And Absorption Class 11 Question 6.
If for some reason our goblet cells are non-functional this will adversely affect
(a) Smooth movement of food down the intestine
(b) Production of somatostatin
(c) Secretion of sebum from the sebaceous glands
(d) Maturation of sperms

Answer

Answer: (a) Smooth movement of food down the intestine


Class 11 Digestion And Absorption MCQ Question 7.
The HCl in gastric juice converts:
(a) Disaccharide to monosaccharide
(b) Pepsinogen to pepsin
(c) Prorennin to rennin
(d) Polypeptide to peptide

Answer

Answer: (b) Pepsinogen to pepsin


MCQ Questions On Digestion And Absorption Class 11 Question 8.
Which enzyme is used in alcoholic fermentation of yeast?
(a) Maltase
(b) Invertase
(c) Sucrase
(d) Zymase

Answer

Answer: (d) Zymase


MCQs On Digestion And Absorption Class 11  Question 9.
Assimilation means
(a) utilising the water taken by body
(b) accumulating the food for digestion
(c) utilisation of absorbed substances
(d) collecting wastes left after the absorption of required nutrients

Answer

Answer: (c) utilisation of absorbed substances
Explanation:
The absorbed substances finally reach the tissues which utilise them for their activities. This process is called assimilation.


Digestion And Absorption MCQs Class 11 Question 10.
The pH scale is used to measure
(a) Electric charge on ion
(b) Speed with which ions form
(c) Size of ions
(d) Concentration of hydrogen ions in a solution

Answer

Answer: (d) Concentration of hydrogen ions in a solution


Digestion And Absorption MCQ Questions Class 11 Question 11.
Which of the following part of human intestine hosts microorganisms?
(a) Colon
(b) Caecum
(c) Anus
(d) Rectum

Answer

Answer: (b) Caecum
Explanation:
Caecum is a small blind sac which hosts some microorganisms.


MCQs For Chapter Digestion And Absorption Question 12.
Duct leading from parotid gland and opening into vestibule is
(a) Wolffian duct
(b) Stensons duct
(c) Haversian duct
(d) Infra-orbit duct

Answer

Answer: (b) Stensons duct


MCQ Of Digestion And Absorption Class 11 Question 13.
Which organ is most affected by jaundice?
(a) Pancreas
(b) Liver
(c) Stomach
(d) Intestine

Answer

Answer: (b) Liver
Explanation:
Jaundice affects liver. Skin and eyes turn yellow due to the deposition of bile pigments.


Digestion And Absorption Class 11 MCQs Question 14.
Globet cells of intestinal mucosal epithelium secrete
(a) mucus
(b) cholesterol
(c) peptones
(d) bilirubin

Answer

Answer: (a) mucus
Explanation:
Intestinal mucosal epithelium has globet cells which secrete mucus.


Digestion And Absorption Class 11 Ncert MCQ Question 15.
Emulsification of fat takes place through
(a) Liver enzymes
(b) Bile pigments
(c) Bile salts
(d) Enzymes of small intestine

Answer

Answer: (c) Bile salts


Question 16.
Epithelial cells of the intestine involved in food absorption have on their surface
(a) phagocytic vesicles
(b) pinocytic vesicles
(c) microvilli
(d) zymogen granules

Answer

Answer: (c) microvilli


Question 17.
Carrier ions like Na+ facilitate the absorption of substances like
(a) Fructose and some amino acids
(b) Amino acids and glucose
(c) Glucose and fatty acids
(d) Fatty acids and glycerol

Answer

Answer: (a) Fructose and some amino acids


Question 18.
The glucose is converted into glycogen in liver and stored in
(a) Liver and spleen
(b) Liver and muscle
(c) Liver
(d) Spleen and muscles

Answer

Answer: (c) Liver


Question 19.
Small projections of upper surface of tongue are called
(a) fimbriae
(b) pilli
(c) papillae
(d) cilia

Answer

Answer: (c) papillae
Explanation:
The upper surface of the tongue has small projections called papillae, some of them bears taste buds.


Question 20.
Sweetest sugar is
(a) Fructose
(b) Sucrose
(c) Glucose
(d) Lactose

Answer

Answer: (a) Fructose


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 16 Digestion and Absorption with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Digestion and Absorption MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers

Locomotion and Movement Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Locomotion and Movement Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 20 MCQ With Answers

Biology Class 11 Chapter 20 MCQs On Locomotion and Movement

Locomotion And Movement MCQ Question 1.
Metacarpals are present in
(a) wrist
(b) palm
(c) digits
(d) thigh

Answer

Answer: (b) palm
Explanation:
Metacarpals are palm bone, they are 5 in number.


Locomotion And Movement Class 11 MCQ Question 2.
The elements associated with muscle contraction are
(a) Mg and Ca
(b) Mg and Cl
(c) Na and Ca
(d) Ca and K

Answer

Answer: (c) Na and Ca


MCQ On Locomotion And Movement Question 3.
What happens in osteoporosis?
(a) Decrease in progesterone
(b) Increase in progesterone
(c) Decrease in estrogen
(d) Both 2 and 3

Answer

Answer: (c) Decrease in estrogen
Explanation:
In osteoporosis, there is decrease in levels of estrogen.


Locomotion And Movement Class 11 Ncert MCQ Question 4.
Match the columns.
A. Hinge Joint – 1. Carpals
B. Saddle Joint – 2. Knee
C. Pivot Joint – 3. Thumb
D. Gliding Joint – 4. Vertebra
(a) A-4, B-3, C-1, D-2
(b) A-3, B-1, C-2, D-4
(c) A-2, B-3, C-4, D-1
(d) A-3, B-1, C-4, D-2

Answer

Answer: (c) A-2, B-3, C-4, D-1
Explanation:
Column I shows types of synovial joints. Column II shows the location where these are present.


MCQ On Locomotion And Movement Class 11 Question 5.
Coris cycle operates in
(a) Cartilage
(b) Muscle
(c) Liver
(d) Liver and muscle

Answer

Answer: (d) Liver and muscle


Locomotion And Movement Class 11 MCQ Pdf Question 6.
One of the following is true of muscle contraction.
(a) H-zone expands
(b) I-band expands
(c) A-Band remains constant
(d) The sarcomeres expands

Answer

Answer: (c) A-Band remains constant


Locomotion And Movement Class 11 Ncert MCQ Pdf Question 7.
Which cavity is formed by the fusion of coxal bones?
(a) Glenoid cavity
(b) Acetabulum
(c) Acromion
(d) Scapula

Answer

Answer: (b) Acetabulum
Explanation:
There are three coxal bones namely ilium, ischium and pubis.
At the point of fusion of these, a cavity is formed called acetabulum.


MCQs On Locomotion And Movement Question 8.
Which is a part of pectoral girdle?
(a) Acetabulum
(b) Ilium
(c) Sternum
(d) Glenoid cavity

Answer

Answer: (d) Glenoid cavity


MCQ Of Locomotion And Movement Question 9.
A skeletal muscle which decreases the angle between two bones and bends a joint is
(a) Flexor
(b) Abductor
(c) Extensor
(d) Adductor

Answer

Answer: (a) Flexor


Locomotion And Movement MCQs Question 10.
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
(a) Iris – Involuntary smooth muscle
(b) Heart wall – Involuntary unstriated muscle
(c) Biceps of upper arm – Smooth muscle fibres
(d) Abdominal wall – Smooth muscle

Answer

Answer: (a) Iris – Involuntary smooth muscle


Locomotion And Movement MCQ Questions Question 11.
Largest bone in human body is
(a) Ulna
(b) Femur
(c) Humerus
(d) Tibia

Answer

Answer: (b) Femur


MCQ On Locomotion And Movement Pdf Question 12.
Which one of the following pairs is wrong about cardiac muscles?
(a) Location – only in the heart
(b) Function – Pumping of blood
(c) Gap junctions – No
(d) Striated – Yes

Answer

Answer: (c) Gap junctions – No


MCQ Questions On Locomotion And Movement Class 11 Question 13.
What is the ion necessary for muscle contraction?
(a) Cl
(b) Ca
(c) Na
(d) K

Answer

Answer: (b) Ca


MCQ Locomotion And Movement Question 14.
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
(a) Iris – Involuntary smooth muscle
(b) Heart wall – Involuntary unstriated muscle
(c) Biceps of upper arm – Smooth muscle fibres
(d) Abdominal wall – Smooth muscle

Answer

Answer: (a) Iris – Involuntary smooth muscle


Class 11 Biology Chapter 20 MCQ Question 15.
Bones formed by ossification of a tendon is called
(a) Dermal bone
(b) Sesamoid bone
(c) Membrane bone
(d) Cartilage

Answer

Answer: (b) Sesamoid bone


Question 16.
Which joint occurs between humerus and radioulna?
(a) Ball and socket joint
(b) Sliding
(c) Pivot
(d) Hinge joint

Answer

Answer: (d) Hinge joint


Question 17.
Hyoid is a
(a) cavity
(b) cartilage
(c) bone
(d) fluid

Answer

Answer: (c) bone
Explanation:
Hyoid is a single U-shaped bone present at the base of buccal cavity.


Question 18.
______ connect the ends of bones together.
(a) Ligaments
(b) Tendons
(c) Muscles
(d) cartilages

Answer

Answer: (a) Ligaments


Question 19.
_______ is used to capture prey in Hydra.
(a) Cilia
(b) Flagella
(c) Tentacles
(d) Forelimbs

Answer

Answer: (c) Tentacles
Explanation:
Hydra uses its tentacles to capture prey and for locomotion.


Question 20.
Ilium, ischium, and pubis join at the ______ to form coxal bone.
(a) Acetabulum
(b) Ilium
(c) Sternum
(d) Glenoid cavity

Answer

Answer: (a) Acetabulum


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Locomotion and Movement MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers

Transport in Plants Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Transport in Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 11 MCQ With Answers

Biology Class 11 Chapter 11 MCQs On Transport in Plants

Transport In Plants Class 11 MCQ Question 1.
Dry seeds kept in water swell due to
(a) absorption
(b) diffusion
(c) imbibition
(d) none of these

Answer

Answer: (c) imbibition
Explanation:
Imbibition is a type of diffusion in which water is absorbed by solids or colloids which leads to increase in volume. This happens in case of dry wood and seeds.


Transport In Plants Class 11 Ncert MCQ Pdf Question 2.
Choose the correct statement/statements. Pumps in active transport are A. Lipids that bind molecules to pass them through the membrane. B. Transport molecules uphill. C. These are specific transporters. D. These are sensitive to inhibitors.
(a) A and C
(b) A, B and D
(c) B, C and D
(d) C and D

Answer

Answer: (c) B, C and D
Explanation:
Pumps in active transport are proteins that bind molecules to pass them through the membrane.


MCQ On Transport In Plants Class 11 Question 3.
Which of the following is the unit of ψ?
(a) Pascal
(b) Joule
(c) Newton
(d) Electron volt

Answer

Answer: (a) Pascal
Explanation:
Psi or ψ is expressed in pressure units e.g. pascals.


Transportation In Plants MCQ Question 4.
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be:
(a) No movement of water
(b) Movement of water from cell B to A
(c) Movement of water from cell A to B
(d) Equilibrium between the two

Answer

Answer: (c) Movement of water from cell A to B


Chapter 11 Biology Class 11 MCQs Question 5.
Which of the following is decreased during increase in humidity in the atmosphere?
(a) Transpiration
(b) Photosynthesis
(c) Respiration
(d) Glycolysis

Answer

Answer: (a) Transpiration
Explanation:
With the increase in humidity in atmosphere, rate of transpiration decreases.


MCQ On Transport In Plants Question 6:
Ψs is always
(a) positive
(b) zero
(c) negative
(d) one

Answer

Answer: (c) negative
Explanation:
Ψs is always negative.


MCQ On Transportation In Plants Question 7.
Two types of molecules cross the membrane in the same direction, it is called as
(a) Uniport
(b) Symport
(c) Antiport
(d) Multiport

Answer

Answer: (b) Symport
Explanation:
In symport, two types of molecules cross the membrane in the same direction.


Transportation In Plants Class 11 MCQ Question 8.
Diffusion rate is affected by
(a) temperature
(b) membrane permeability
(c) gradient of concentration
(d) all of these

Answer

Answer: (d) all of these
Explanation:
Diffusion rate is affected by the gradient of concentration, permeability of the membrane separating them, temperature and pressure.


MCQs Of Biology Class 11 Chapter 11 Question 9.
Cells shrink in _________ solution.
(a) isotonic
(b) hypotonic
(c) hypertonic
(d) hypotonic and hypertonic

Answer

Answer: (c) hypertonic
Explanation:
In hypertonic solution, external solution is more concentrated as compared to cytoplasm.
Cells shrink in hypertonic solutions.


MCQs On Transportation In Plants Question 10.
Which of the following is true about diffusion?
(a) There is no expenditure of energy.
(b) Molecules move in Brownian motion.
(c) Substances moves from the region of higher concentration to the region of lower concentration.
(d) Diffusion depends on the type of living system.

Answer

Answer: (d) Diffusion depends on the type of living system.
Explanation:
Diffusion is a slow process, it is not dependent on the living systems.


Biology Class 11 Chapter 11 MCQs Question 11.
Which of the following is true about diffusion?
(a) There is no expenditure of energy.
(b) Molecules move in Brownian motion.
(c) Substances moves from the region of higher concentration to the region of lower concentration.
(d) Diffusion depends on the type of living system.

Answer

Answer: (d) Diffusion depends on the type of living system.
Explanation:
Diffusion is a slow process, it is not dependent on the living systems.


Transport In Plants Class 11 Ncert MCQ Question 12.
Water is lost in a liquid state in some plants through hydathodes. These hydathodes
(a) do not show any specificity in opening and closing
(b) remain closed during day
(c) remain closed at night
(d) remain always open

Answer

Answer: (d) remain always open


MCQ Questions On Transport In Plants Question 13.
If pressure greater than atmospheric pressure is applied to pure water, the water potential
(a) increases
(b) decreases
(c) remains same
(d) atmospheric pressure does not affect water potential

Answer

Answer: (a) increases
Explanation:
If a pressure greater than atmospheric pressure is applied to pure water, the water potential increases.


Transportation In Plants MCQs Question 14.
Choose the correct sequence of water movement in the plants.
(a) Cortex, protoxylem, endodermis, root hair, pericycle, metaxylem
(b) Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem
(c) Root hair, protoxylem, metaxylem, pericycle, cortex, endodermis
(d) Root hair, pericycle, endodermis, cortex, protoxylem, metaxylem

Answer

Answer: (b) Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem
Explanation:
Water is absorbed from soil by root hair. This is then carried by cortex,then passed to endodermis.
Endodermis passes water to Perivale then to protoxylem and metaxylem.


MCQ On Transportation In Plants Class 11 Question 15.
Wilting of a plant results from excessive
(a) respiration
(b) photosynthesis
(c) absorption
(d) transpiration

Answer

Answer: (d) transpiration


Transport In Plants Questions And Answers Pdf Question 16.
Cohesion theory of water movement in plants was put forth by
(a) Henry Dixon
(b) F. F. Blackman
(c) Melvin cycle
(d) Hans. A. Krebs

Answer

Answer: (a) Henry Dixon


MCQs Test Of Transport In Plants Question 17.
Diffusion rate is affected by
(a) temperature
(b) membrane permeability
(c) gradient of concentration
(d) all of these

Answer

Answer: (d) all of these
Explanation:
Diffusion rate is affected by the gradient of concentration, permeability of the membrane separating them, temperature and pressure.


Question 18.
When a plant is girdled (ringed)
(a) the root and shoot die at the same time
(b) the shoot dies first
(c) the root dies first
(d) neither root nor shoot will die

Answer

Answer: (c) the root dies first


Question 19.
Choose the correct statement/statements. Pumps in active transport are A. Lipids that bind molecules to pass them through the membrane. B. Transport molecules uphill. C. These are specific transporters. D. These are sensitive to inhibitors.
(a) A and C
(b) A, B and D
(c) B, C and D
(d) C and D

Answer

Answer: (c) B, C and D
Explanation:
Pumps in active transport are proteins that bind molecules to pass them through the membrane.


Question 20.
Assertion (A): K+ ion accumulation found in Nitella depends on its respiratory activity. Reason (R): Absorption of all ions in plants completely depends on the usage of metabolic energy. The correct answer is
(a) A and R are true and R is the correct explanation of A
(b) A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Answer

Answer: (c) A is true but R is false


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Transport in Plants MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants with Answers

Morphology of Flowering Plants Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Morphology of Flowering Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 5 MCQ With Answers

Biology Class 11 Chapter 5 MCQs On Morphology of Flowering Plants

Morphology Of Flowering Plants Class 11 MCQ Question 1.
In tamarind, the pinnate leaf is
(a) bipinnate
(b) tripinnate
(c) paripinnate
(d) imparipinnate

Answer

Answer: (a) bipinnate


Morphology Of Flowering Plants MCQ Question 2.
Artabotrys is a hook climber in which the hooks are modified
(a) inflorescence axis
(b) petiole
(c) roots
(d) stipules

Answer

Answer: (a) inflorescence axis


Class 11 Biology Chapter 5 MCQ Question 3.
Exceptional roots of Cuscuta are
(a) haustorial
(b) coralloid
(c) mucorhizal
(d) all of the above

Answer

Answer: (a) haustorial


MCQs Of Biology Class 11 Chapter 5 Question 4.
The petiole is swollen and spongy in
(a) Nepenthes
(b) Trapa
(c) Clematis
(d) all of the above

Answer

Answer: (b) Trapa


MCQ Questions For Class 11 Biology Chapter 5 Question 5.
Which one of the following plants dose not have root – pockets
(a) Pistia
(b) Lemna
(c) Ficus
(d) Eichhornia

Answer

Answer: (c) Ficus


Chapter 5 Biology Class 11 MCQs Question 6.
The largest petal overlaps the lateral ones in _________ aestivation.
(a) Papilionaceous
(b) Valvate
(c) Twisted
(d) Imbricate

Answer

Answer: (a) Papilionaceous
Explanation:
In pea and bean flowers, there are five petals, the largest overlaps the two lateral petals which in turn overlaps the two smallest anterior petals. This is called Vexillary or papilionaceous aestivation.


MCQ On Morphology Of Flowering Plants Class 11 Question 7.
In Lathyrus, the leaves are modified into
(a) thorns
(b) cladodes
(c) tendrils
(d) spines

Answer

Answer: (c) tendrils


Morphology Of Flowering Plants MCQ Class 11 Question 8.
Morphology Of Flowering Plants MCQ Class 11
Label the parts of a monocot seed.
(a) A.Endosperm, B. Scutellum, C. Radicle, D. Coleoptile, E. Plumule
(b) A.Endosperm, B. Coleoptile, C. Scutellum, D. Radicle, E. Plumule
(c) A.Endosperm, B. Scutellum, C. Coleoptile, D. Radicle, E. Plumule
(d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle

Answer

Answer: (d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle
Explanation:
Class 11 Bio Chapter 5 MCQ


Class 11 Bio Chapter 5 MCQ Question 9.
Potato tuber is an underground stem because
(a) it lacks chlorophyll
(b) it is swollen
(c) it possesses axillary buds
(d) it stores starch as reserve food material

Answer

Answer: (c) it possesses axillary buds


Class 11 Morphology Of Flowering Plants MCQ Question 10.
Floating roots are characteristic of
(a) Tinospora
(b) Jussiaea
(c) Viscum
(d) Vanda

Answer

Answer: (b) Jussiaea


Class 11 Biology Chapter 5 MCQs Question 11.
Thors and spines are
(a) homologous organs
(b) analogous organs
(c) thron is homologous while spine is analogous
(d) spine is homologous while is analogous

Answer

Answer: (d) A


MCQ On Morphology Of Flowering Plants Question 12.
Which of the following picture shows fibrous root system?
MCQ On Morphology Of Flowering Plants
MCQ Of Chapter 5 Biology Class 11

Answer

Answer: (d)


MCQ Of Chapter 5 Biology Class 11 Question 13.
In which of the following plants stems do not store the food material
(a) potato
(b) ginger
(c) onion
(d) colocasia

Answer

Answer: (c) onion


MCQ Of Morphology Of Flowering Plants Question 14.
In banana, the stem is
(a) underground only
(b) both underground and aerial
(c) absent
(d) aerial only

Answer

Answer: (a) underground only


MCQs Of Chapter 5 Biology Class 11 Question 15.
Srem modified to perform the function of a leaf and having many internodes is called as
(a) phylloclade
(b) cladode
(c) offset
(d) phyllode

Answer

Answer: (a) phylloclade


Question 16.
Certain plants called as runners can be easily propagated. This is due to the fact
(a) they are numerous in numbers
(b) they store the ready food
(c) they lie horizontally on the soil
(d) they can produce adventitious roots quite readily at the nodes

Answer

Answer: (d) they can produce adventitious roots quite readily at the nodes


Question 17.
The coloured part of a Bougainuillea flower is the
(a) corolla
(b) calyx
(c) bracts
(d) androecium

Answer

Answer: (c) bracts


Question 18.
The axillary buds arise
(a) endogenously from the pericycle
(b) exogenously from the tissues of the shoot apex
(c) endogenously from the cambium tissues
(d) exogenously from the innermost layers of cortex

Answer

Answer: (b) exogenously from the tissues of the shoot apex


Question 19.
The arrangement of sepals or petals in floral bud is called
(a) Placentation
(b) Aestivation
(c) Bracteate
(d) Phyllotaxy

Answer

Answer: (b) Aestivation
Explanation:
The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation.


Question 20.
The term phyllotaxy is used to describe the
(a) type of ovary in a plant
(b) mode of arrangement of leaves
(c) type of roots
(d) arrangement of sepals and petals

Answer

Answer: (b) mode of arrangement of leaves


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Morphology of Flowering Plants MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers

Anatomy of Flowering Plants Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Anatomy of Flowering Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 6 MCQ With Answers

Biology Class 11 Chapter 6 MCQs On Anatomy of Flowering Plants

Anatomy Of Flowering Plants Class 11 MCQ Question 1.
Quiescent centre is present in the
(a) apical meristem
(b) shoot meristem
(c) lateral meristem
(d) root meristem

Answer

Answer: (d) root meristem


Class 11 Biology Chapter 6 MCQ Question 2.
Closed vascular bundles lacks
(a) pith
(b) xylem
(c) cambium
(d) xylem vessels

Answer

Answer: (c) cambium
Explanation:
Anatomy Of Flowering Plants MCQ
Picture of closed conjoint vascular bundles.


Anatomy Of Flowering Plants MCQ Question 3.
Which of the following is not a feature of spring wood?
(a) Color of the wood is light.
(b) Density is less.
(c) Cambium is active.
(d) Lesser number of xylary elements.

Answer

Answer: (d) Lesser number of xylary elements.
Explanation:
Spring season produces a wood which has large number of xylary elements having vessels with wider cavities.


MCQs Of Biology Class 11 Chapter 6 Question 4.
In a monocot leaf
(a) bulliform cells are absent from the eqidermis
(b) veins from a network
(c) mesophyll is well differentiated into palisade and spongy parenchyma
(d) mesophyll is not differentiated into palisade and spongy parenchyma

Answer

Answer: (d) mesophyll is not differentiated into palisade and spongy parenchyma


MCQ Questions For Class 11 Biology Chapter 6 Question 5.
A.T.S. of a young dicot root can be distinguished from that of a young dicot stem by the presence of
(a) radial arrangement of xylem and phloem
(b) collateral arrangement of xylem and phloem
(c) interfascicular cambium
(d) intrafascicular cambium

Answer

Answer: (a) radial arrangement of xylem and phloem


Chapter 6 Biology Class 11 MCQs Question 6.
Fusifrom initial cells of cambium from
(a) vascular rays
(b) tracheary elements
(c) ray parenchyma
(d) phloem parenchyma

Answer

Answer: (b) tracheary elements


MCQ On Anatomy Of Flowering Plants Class 11 Question 7.
Callose deposition is found in
(a) tracheids
(b) companion cells
(c) sieve areas
(d) phloem parenchyma

Answer

Answer: (c) sieve areas


MCQ On Anatomy Of Flowering Plants Question 8.
Stem develops from
(a) radicle
(b) cotyledon
(c) mesocarp
(d) plumule

Answer

Answer: (d) plumule
Explanation:
Stem develops from plumule.


MCQ Of Anatomy Of Flowering Plants Question 9.
Stem grows in girth due to
(a) outer cortical
(b) epidermis
(c) vascular cambium
(d) phellogen

Answer

Answer: (c) vascular cambium
Explanation:
Stem increase in girth due to the activity of vascular cambium.
In this process, the outer cortical and epidermis layers gets broken.
This layer is replaced with new protective cell layer.


Biology Class 11 Chapter 6 MCQs Question 10.
Which of the following is true about heartwood?
(a) They are dead but gives mechanical support to stem.
(b) They are light in color.
(c) They conduct water and minerals.
(d) 1 and 3

Answer

Answer: (a) They are dead but gives mechanical support to stem.
Explanation:
Heartwood is dead and have non-conducting elements.


MCQs On Anatomy Of Flowering Plants Question 11.
Which picture shows conjoint closed vascular bundles?
MCQs On Anatomy Of Flowering Plants
(d) None of these pictures shows conjoint closed vascular bundles.

Answer

Answer: (b)
Explanation:
Ch 6 Bio Class 11 MCQ


Ch 6 Bio Class 11 MCQ Question 12.
Pith is very well developed in
(a) monocot root and monocot srem
(b) monocot root and dicot root
(c) dicot root and monocot stem
(d) monocot root and dicot stem

Answer

Answer: (d) monocot root and dicot stem


Anatomy Of Flowering Plants MCQs Question 13.
Which of the following helps in the curling of the leaf surface?
(a) Bulliform cells
(b) Xylem tissue
(c) Palisade parenchyma
(d) Bundle sheath cells

Answer

Answer: (a) Bulliform cells
Explanation:
In grasses, adaxial epidermal cells along the veins modify themselves into large, empty, colorless cells. These are called bulliform cells.
When there is water stress leaves curl themselves inward to minimise water loss.
When the cells have absorbed water and are turgid, the leaf surface is exposed.


Anatomy Of Flowering Plants MCQ With Answers Question 14.
Walls of sclerenchyma are
(a) rigid
(b) lignified
(c) pectinised
(d) suberised

Answer

Answer: (b) lignified


Anatomy Of Flowering Plants Class 11 Ncert MCQ Question 15.
Fusifrom initial cells of cambium from
(a) vascular rays
(b) tracheary elements
(c) ray parenchyma
(d) phloem parenchyma

Answer

Answer: (b) tracheary elements


Question 16.
Closed vascular bundles lacks
(a) pith
(b) xylem
(c) cambium
(d) xylem vessels

Answer

Answer: (c) cambium


Question 17.
After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located
(a) just outside the vascular cambium
(b) just inside the vascular cambium
(c) just inside the vascular phloem
(d) just outside the secondary xylem

Answer

Answer: (c) just inside the vascular phloem


Question 18.
The innermost layer of cortex which shows casparian thickenings in its cells is called as
(a) epidermis
(b) endodermis
(c) pericycle
(d) exodermis

Answer

Answer: (b) endodermis


Question 19.
Vessels differ from tracheids
(a) in being living
(b) in being derived from a single cell
(c) in that they consist of vertical row of cells with cross walls dissolved
(d) in coducting water and minerals

Answer

Answer: (c) in that they consist of vertical row of cells with cross walls dissolved


Question 20.
Endodermis cells are rich in
(a) cellulose
(b) starch grains
(c) fibers
(d) resins and wax

Answer

Answer: (b) starch grains
Explanation:
Endodermis cells are rich in starch grains.


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers

Biological Classification Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Biological Classification Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 2 MCQ With Answers

Biology Class 11 Chapter 2 MCQs On Biological Classification

Biological Classification Class 11 MCQ Question 1.
The two kingdom Classification was given by
(a) c.linnaeus
(b) john ray
(c) huxley
(d) whittaker

Answer

Answer: (c) huxley


Biological Classification MCQ Question 2.
Choose the correct pair.
(a) Parasitic fungi – feeds on plants and animals
(b) Saprotrophic fungi – feeds on dead and decaying organic matter
(c) Symbiotic fungi – mycorrhiza
(d) All of the above are true

Answer

Answer: (d) All of the above are true
Explanation:
Saprotrophic fungi feeds on dead and decaying organic matter.
Parasitic fungi feeds on animals and plants.
Symbiotic fungi are of two types mycorrhiza and lichens.
Mycorrhiza – the fungus is in close association with roots of higher plants.
Lichens – fungi is in close relationship with algae.


Class 11 Biology Chapter 2 MCQ Question 3.
Which of the following is used in biochemical and genetic work?
(a) Claviceps
(b) Aspergillus
(c) Neurospora
(d) Mucor

Answer

Answer: (c) Neurospora
Explanation:
Neurospora is used in biochemical and genetic work, it belongs to class Ascomycetes.


MCQ Questions For Class 11 Biology Chapter 2 Question 4.
If a scientist has to names a similar species he should study the
(a) Holotype
(b) syntype
(c) mesotype
(d) isotype

Answer

Answer: (d) isotype


Biological Classification MCQ Class 11 Question 5.
Which of the following is not a viral disease?
(a) AIDS
(b) Herpes
(c) Tuberculosis
(d) Smallpox

Answer

Answer: (c) Tuberculosis
Explanation:
AIDS, herpes and smallpox are viral diseases.
Tuberclosis is a bacterial disease.


MCQ On Biological Classification Class 11 Question 6.
Choose the correct match.
(a) Photosynthetic autotrophs – Nutrient recycling
(b) Chemosynthetic autotrophs – Nitrogen fixation
(c) Heterotrophic bacteria – Production of antibiotics
(d) Mycoplasma – Production of curd

Answer

Answer: (c) Heterotrophic bacteria – Production of antibiotics
Explanation:
Photosynthetic autotrophs helps in fixing atmospheric nitrogen.
Chemosynthetic autotrophs helps in nutrient recycling.
Heterotrophic bacteria helps in making curd, production of antibiotics, etc.


MCQs Of Biology Class 11 Chapter 2 Question 7.
The scientist who created the group protista for both unicellular plants and animals is
(a) haecke
(b) pasteur
(c) lister
(d) koch

Answer

Answer: (a) haecke


MCQ Of Biological Classification Class 11 Question 8.
Binomial nomenclature was given by
(a) huxley
(b) ray
(c) darwin
(d) linnaeus

Answer

Answer: (d) linnaeus


Chapter 2 Biology Class 11 MCQs Question 9.
Which of the following is an indicator of air pollution?
(a) Mycorrhiza
(b) Agaricus
(c) Lichens
(d) Common mushrooms

Answer

Answer: (c) Lichens
Explanation:
Lichens are the indicators of air pollution.
Lichens are the association between fungi and algae. They do not grow in polluted areas.


Ch 2 Bio Class 11 MCQ Question 10.
The natural system of Classification is based on
(a) morphology
(b) evolutionary trend
(c) anatomy
(d) all of the above

Answer

Answer: (d) all of the above


Class 11 Bio Chapter 2 MCQ Question 11.
Potato spindle tuber disease is caused by
(a) Phycobionts
(b) Virus
(c) Bacteria
(d) Viroids

Answer

Answer: (d) Viroids
Explanation:
In 1971, Diener discovered a new infectious agents called Viroids that was smaller than viruses.
These viroids causes potato spindle tuber disease.


MCQ Of Chapter 2 Biology Class 11 Question 12.
Quinine is obtained from
(a) Puccinia
(b) Neurospora
(c) Gonyaulax
(d) Cinchona

Answer

Answer: (a) Puccinia
Explanation:
Quinine is obtained from Cinchona officinalis.


Class 11 Biological Classification MCQ Question 13.
According to five-kingdom classification, which of the following does not contain nuclear membrane?
(a) Protista
(b) Monera
(c) Fungi
(d) Animalia

Answer

Answer: (b) Monera
Explanation:
According to five kingdom classification, Monera does not contain nuclear membrane.


Biology Class 11 Chapter 2 MCQs Question 14.
Two organisms of the same class but different families will be kept under the same
(a) genera
(b) species
(c) order
(d) family

Answer

Answer: (c) order


Class 11 Bio Ch 2 MCQ Question 15.
Bacteria that live in hot springs are called
(a) Halophiles
(b) Thermoacidophiles
(c) Methanogens
(d) None of the above

Answer

Answer: (b) Thermoacidophiles
Explanation:
The bacteria that live in hot springs are called thermoacidophiles.
Bacteria that live in salty areas are called halophiles.
Bacteria that live in marshy areas are called methanogens.


Question 16.
Which amongst kingdom animalia has become recently extinct?
(a) snow leopard
(b) indian macaque
(c) cheetah
(d) tiger

Answer

Answer: (c) cheetah


Question 17.
Red tides in sea appear due to
(a) Euglena
(b) Chrysophytes
(c) Dinoflagellates
(d) Diatoms

Answer

Answer: (c) Dinoflagellates
Explanation:
Red tides in sea appear is due to red dinoflagellates.
Gonyaulax undergoes rapid multiplication and makes the sea apear red.


Question 18.
The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi.
(a) Phycomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Deuteromycetes

Answer

Answer: (c) Basidiomycetes
Explanation:
In basidiomycete asexual spores are not found and vegetative reproduction occurs by fragmentation.
Sex organs are absent in this class of fungi.


Question 19.
Match the columns:
1. Basidiomycetes – A. Agaricus
2. Ascomycetes – B. Albugo
3. Phycomycetes – C. Trichoderma
4. Deuteromycetes – D. Saccharomyces
(a) 1-D, 2-A, 3-B, 4-C
(b) 1-A, 2-D, 3-B, 4-C
(c) 1-A, 2-B, 3-D, 4-C
(d) 1-C, 2-D, 3-A, 4-B

Answer

Answer: (b) 1-A, 2-D, 3-B, 4-C


Question 20.
Trypanosoma causes
(a) Dysentry
(b) Mumps
(c) Sleeping sickness
(d) Cholera

Answer

Answer: (c) Sleeping sickness
Explanation:
Trypanosoma causes sleeping sickness.


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Class 11 Biology MCQ:

MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers

Mineral Nutrition Class 11 MCQ Online Test With Answers Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Mineral Nutrition Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 12 MCQ With Answers

Biology Class 11 Chapter 12 MCQs On Mineral Nutrition

Mineral Nutrition Class 11 MCQ Question 1.
In plants, a common symptom caused by deficiency of P, K, Ca and Mg is the
(a) bending of leaf tip
(b) formation of anthocyanins
(c) poor development of vasculature
(d) appearance of dead necrotic tissue

Answer

Answer: (d) appearance of dead necrotic tissue


Mineral Nutrition MCQ With Answers Question 2.
Function of zinc is
(a) Closing of stomata
(b) Biosynthesis of 3-IAA
(c) Synthesis of chlorophyll
(d) Oxidation of carbohydrate

Answer

Answer: (c) Synthesis of chlorophyll


Chapter 12 Biology Class 11 MCQs Question 3.
Which of the following is a group of micronutrients?
(a) Ca, Zn, B
(b) Fe, Mn, Cu
(c) Cl, C, Ca
(d) Ni, Mo, H

Answer

Answer: (b) Fe, Mn, Cu
Explanation:
Iron, mangenese and copper are micronutrients.


MCQ On Mineral Nutrition Class 11 Question 4.
The process of conversion of NO2 to N2 is called
(a) nitrification
(b) ammonification
(c) denitrification
(d) nitrogen fixation

Answer

Answer: (c) denitrification
Explanation:
The process of conversation of NO2 to N2 is called denitrification.


MCQ Questions For Class 11 Biology Chapter Wise Question 5.
The formation of first stable product of nitrogen fixation is catalysed by enzyme
(a) dehydrogenase
(b) nitrogenase
(c) isomerase
(d) none of these

Answer

Answer: (b) nitrogenase
Explanation:
The first stable product of nitrogen fixation is ammonia obtained from atmospheric nitrogen catalysed enzyme nitrogenase.


Class 11 Biology MCQ Question 6.
Manganese toxicity leads to deficiency of
(a) iron
(b) calcium
(c) magnesium
(d) all of the above

Answer

Answer: (d) all of the above
Explanation:
Manganese toxicity causes deficiency of iron, magnesium and calcium.


Mineral Nutrition Questions And Answers Question 7.
Chlorosis will occur if a plant is grown in
(a) dark
(b) shade
(c) strong light
(d) Fe – free medium

Answer

Answer: (d) Fe – free medium


MCQ Questions Class 11 Biology Question 8.
Choose the correct function of magnesium.
(a) It is a constituent of several coenzyme.
(b) It activates the enzymes of respiration and photosynthesis.
(c) It activates enzyme catalase.
(d) It helps in maintaining anion-cation balance.

Answer

Answer: (b) It activates the enzymes of respiration and photosynthesis.
Explanation:
Magnesium is absorbed by plants as Mg2+
It activates the enzymes of respiration and photosynthesis.
It is involved in the synthesis of DNA RNA.
It is the constituent of ring structure of chlorophyll.
It helps to maintain ribosome structure.


Biology Class 11 MCQ Question 9.
Mineral salts which are absorbed by the roots from soil are in the form of
(a) Dilute solution
(b) Very concentrated solution
(c) Concentrated solution
(d) Very dilute solution

Answer

Answer: (d) Very dilute solution


MCQ Questions For Class 11 Biology Question 10.
Which one of the following mineral elements plays an in biological nitrogen fixation?
(a) Copper
(b) Manganese
(c) Zinc
(d) Molybdenum

Answer

Answer: (d) Molybdenum


Question 11.
Oxygen scavangers present in root nodules of legumes is
(a) haemoglobin
(b) leg haemoglobin
(c) cyano haemoglobin
(d) none of these

Answer

Answer: (b) leg haemoglobin
Explanation:
Leg-haemoglobin is the oxygen scavanger in root nodules of legumes.


Question 12.
Which one of the following is not a micronutrient?
(a) Magnesium
(b) Molybdenum
(c) Boron
(d) Zinc

Answer

Answer: (a) Magnesium


Question 13.
Which of the following is not a macronutrient
(a) iron
(b) calcium
(c) manganese
(d) phosphorus

Answer

Answer: (c) manganese


Question 14.
Insectivorous plants grow where
(a) There is carbohydrate deficient soil
(b) There is nitrogen deficient soil
(c) Vitamin c is required
(d) Hormones are required

Answer

Answer: (b) There is nitrogen deficient soil


Question 15.
Phytotron is meant for
(a) Controlled humidity
(b) Induction of mutations
(c) Controlled irradiation
(d) Growing plants under controlled environment

Answer

Answer: (d) Growing plants under controlled environment


Question 16.
Toxicity of which element leads to the appearance of brown spots on leaves
(a) Mg
(b) Mn
(c) Fe
(d) Cu

Answer

Answer: (b) Mn
Explanation:
Toxicity of mangenese leads to the appearance of the brown spots with chlorotic veins.


Question 17.
Presence of phosphorus
(a) brings about healthy root growth
(b) promotes fruit ripening
(c) retards protein formation
(d) none

Answer

Answer: (c) retards protein formation


Question 18.
Which element is required for opening and closing of stomata?
(a) P
(b) K
(c) Ca
(d) Na

Answer

Answer: (b) K
Explanation:
Potassium plays an important role in opening and closing of stomata.


Question 19.
Exanthema is due to deficiency of
(a) B
(b) Mo
(c) Mn
(d) Cu

Answer

Answer: (d) Cu


Question 20.
NPK denotes
(a) Nitrogen, Protein, Kinetin
(b) Nitrogen, Protein, Potassium
(c) Nitrogen, Potassium, kinetin
(d) Nitrogen, Phosphorus, Potassium

Answer

Answer: (d) Nitrogen, Phosphorus, Potassium


We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Mineral Nutrition MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Class 11 Biology MCQ: