MCQ Questions for Class 11 Biology Chapter 18 Body Fluids and Circulation with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 18 Body Fluids and Circulation with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Body Fluids and Circulation Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 18 MCQ With Answers

Biology Class 11 Chapter 18 MCQs On Body Fluids and Circulation

Body Fluids And Circulation MCQ Question 1.
In developing embryo RBCs are formed in
(a) Lymph node
(b) Bone marrow
(c) Liver
(d) Spleen

Answer

Answer: (c) Liver


Body Fluids And Circulation Class 11 MCQ Question 2.
In humans, blood passes from the post caval to the diastolic right atrium of heart due to:
(a) Pressure difference between the post caval and atrium
(b) Pushing open of the venous valves
(c) Suction pull
(d) Stimulation of the sino auricular node

Answer

Answer: (a) Pressure difference between the post caval and atrium


Class 11 Biology Chapter 18 MCQ Questions Question 3.
When body tissues are injured resulting in the loss of blood, the process of blood clot begins and the blood platelets release
(a) Fibrinogen
(b) Thrombin
(c) Prothrombin
(d) Thromboplastin

Answer

Answer: (d) Thromboplastin


Body Fluids And Circulation MCQ With Answers Question 4.
An adult human has systolic and diastolic pressures as:
(a) 80 mm Hg and 120 mm Hg
(b) 120 mm Hg and 80 mm Hg
(c) 50 mm Hg and 80 mm Hg
(d) 80 mm Hg and 80 mm Hg

Answer

Answer: (b) 120 mm Hg and 80 mm Hg


Body Fluids MCQs With Answers Question 5.
Duration of cardiac cycle is
(a) 0.7 sec
(b) 0.9 sec
(c) 0.8 sec
(d) 0.11 sec

Answer

Answer: (c) 0.8 sec
Explanation:
Duration of cardiac cycle is 0.8 seconds.


MCQ On Body Fluids And Circulation Question 6.
MCQ On Body Fluids And Circulation
In the above picture Q represents
(a) exitation of the atria
(b) depolarisation of ventricles
(c) begining of systole
(d) repolarisation

Answer

Answer: (c) begining of systole
Explanation:
Class 11 Biology Chapter 18 MCQ


Class 11 Biology Chapter 18 MCQ Question 7.
Oxygenated blood occurs in
(a) Pulmonary artery
(b) Right atrium
(c) Right ventricle
(d) Pulmonary vein

Answer

Answer: (d) Pulmonary vein


MCQ On Body Fluids And Circulation Class 11 Question 8.
The cells lining the blood vessels belong to the category of
(a) Columnar epithelium
(b) Connective tissue
(c) Smooth muscle tissue
(d) Squamous epithelium

Answer

Answer: (d) Squamous epithelium


MCQ Of Body Fluids And Circulation Question 9.
Heart failure occurs due to
(a) heart stops beating
(b) damage of heart muscles
(c) congestion of lungs
(d) all of the above

Answer

Answer: (c) congestion of lungs
Explanation:
Heart failure occurs when heart stops pumping blood effectively enough to meet the body needs.
It occurs mainly due to congestion of lungs.


Body Fluids And Circulation MCQs Question 10.
Artificial pace maker is transplanted in
(a) Inter auricular septum
(b) Below the collar bone
(c) Inter ventricular septum
(d) Right auricle

Answer

Answer: (b) Below the collar bone


MCQs On Body Fluids And Circulation Question 11.
Which of the following statement/statements can be related to erythroblastosis foetalis?
(a) Severe anemia and jaundice to the baby.
(b) Can be avoided by giving anti-Rh antibodies to mother immediately after delivery of the first child.
(c) Rh-antibodies from the Rh -ve mother destroys foetal RBCs.
(d) All of the above

Answer

Answer: (d) All of the above
Explanation:
Erythroblastosis foetalis occurs if Rh-antibodies from the Rh -ve mother destroys foetal RBCs of Rh +ve foetus.


Class 11 Biology Body Fluids And Circulation MCQ Question 12.
Among the following stem cells, which are found in the umbilical cord?
(a) Cord blood stem cells
(b) Adult stem cells
(c) Embryonic stem cells
(d) All of the above

Answer

Answer: (a) Cord blood stem cells


Body Fluids And Circulation MCQ Pdf Download Question 13.
If vagus nerve is cut the heart beat
(a) increases
(b) decreases
(c) will not be affected
(d) will stop immediately

Answer

Answer: (a) increases


MCQ On Body Fluids And Circulation Pdf Question 14.
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
(a) The flow of blood into the pulmonary artery will be reduced
(b) The flow of blood into the aorta will be slowed down
(c) The pacemaker will stop working
(d) The blood will tend to flow back into the left atrium

Answer

Answer: (a) The flow of blood into the pulmonary artery will be reduced


MCQ Questions On Body Fluids And Circulation Question 15.
Heparin is
(a) Anti-allergic
(b) Blood diluter
(c) Anticoagulant
(d) Antiseptic

Answer

Answer: (c) Anticoagulant


Class 11 Body Fluids And Circulation MCQ Question 16.
An adult human has systolic and diastolic pressures as:
(a) 80 mm Hg and 120 mm Hg
(b) 120 mm Hg and 80 mm Hg
(c) 50 mm Hg and 80 mm Hg
(d) 80 mm Hg and 80 mm Hg

Answer

Answer: (b) 120 mm Hg and 80 mm Hg


MCQ On Circulatory System Class 11 Question 17.
Cardiac arrest is the state when
(a) heart stops beating
(b) inadequate blood supply to the heart
(c) heart not pumping enough to meet the body needs
(d) blood pressure increases

Answer

Answer: (a) heart stops beating
Explanation:
Cardiac arrest occurs when the heart stops beating.


MCQ Of Chapter 18 Class 11 Biology Question 18.
What is the normal blood pressure of human beings?
(a) 110/70
(b) 120/70
(c) 120/80
(d) 110/80

Answer

Answer: (c) 120/80
Explanation:
120/80 is the normal measurement to blood pressure.
120 mm Hg is the systolic or pumping pressure.
80 mm Hg is the diastolic or resting pressure.


Body Fluids And Circulation Class 11 MCQs Question 19.
Arteries are best defined as the vessels which
(a) Carry blood from one visceral organ to another visceral organ
(b) Supply oxygenated blood to the different organs
(c) Carry blood away from the heart to different organs
(d) Break up into capillaries which reunite to form a vein

Answer

Answer: (c) Carry blood away from the heart to different organs


Blood Fluid And Circulation MCQ Question 20.
Christmas disease is also known as
(a) Haemophilia B
(b) AIDS
(c) Haemophilia A
(d) Haemolytic jaundice

Answer

Answer: (a) Haemophilia B


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