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: