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

Find here the NCERT chapter-wise Multiple Choice Questions from Class 11 Biology Book Chapter 18 Body Fluids and Circulation with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Body Fluids and Circulation. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT Chapters for Class 11 Biology

Q1. The sound dupp in heart is produced by

(i) Closure of semilunar valves
(ii) Closure of A-V valves
(iii) Opening of A-V Valves
(iv) Opening of semilunar valves

(i) Closure of semilunar valves

Q2. Duration of cardiac cycle is

(i) 0.7 sec
(ii) 0.9 sec
(iii) 0.8 sec
(iv) 0.11 sec

(iii) 0.8 sec

Q3. Pawan stood still for a long time and he felt swelling of feet. What would you suggest him :

(i) Ask for some medicine to cure his swelling of feet
(ii) Drink a cup of tea
(iii) Jerk or wriggle his legs to restart circulation
(iv) Keep on standing and do some shoulder exercise

(iii) Jerk or wriggle his legs to restart circulation

Q4. Angina pectoris is very often mistaken for

(i) Chest pain
(ii) Apnea
(iii) Indigestion
(iv) Severe headache

(iii) Indigestion

Q5. Lymph lacks

(i) Erythrocytes
(ii) Plasma proteins
(iii) Platelets
(iv) All of these

(iv) All of these

Q6. An adult human has systolic and diastolic pressures as:

(i) 80 mm Hg and 120 mm Hg
(ii) 120 mm Hg and 80 mm Hg
(iii) 50 mm Hg and 80 mm Hg
(iv) 80 mm Hg and 80 mm Hg

(ii) 120 mm Hg and 80 mm Hg

Q7. The specialised patch of modified heart muscles from where contraction initiates, is/are :

(i) Pacesetter of heart
(ii) Both SAN and AVN together
(iii) Pacemaker of heart
(iv) None of the Above

(iii) Pacemaker of heart

Q8. Pace maker influences:

(i) Contraction of heart muscles
(ii) Flow of blood in heat
(iii) Rate of heart beat
(iv) Formation of nerve impulse

(iii) Rate of heart beat

Q9. Ventricular systole is stimulated by

(i) S-A node
(ii) A-V aperture
(iii) A-V node
(iv) A-V valve

(iii) A-V node

Q10. When body tissues are injured resulting in the loss of blood, the process of blood clot begins and the blood platelets release

(i) Fibrinogen
(ii) Thrombin
(iii) Prothrombin
(iv) Thromboplastin

(iv) Thromboplastin

Q11. Which artery supplies blood to the diaphragm :-

(i) Phrenic
(ii) Splenic
(iii) Renal
(iv) Caudal

(i) Phrenic

Q12. What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?

(i) 360 ml
(ii) 7200 ml
(iii) 5000 ml
(iv) 3600 ml

(iv) 3600 ml

Q13. Heart is incompletely 4 chambered in

(i) Amphibian
(ii) Birds
(iii) Fishes
(iv) Reptiles

(iv) Reptiles

Q14. In humans, blood passes from the post caval to the diastolic right atrium of heart due to:

(i) Pressure difference between the post caval and atrium
(ii) Pushing open of the venous valves
(iii) Suction pull
(iv) Stimulation of the sino auricular node

(i) Pressure difference between the post caval and atrium

Q15. Carotid artery carries the blood which is:

(i) Impure blood to kidneys
(ii) Oxygenated blood to brain
(iii) Oxygenated blood to heart
(iv) Impure blood from brain

(ii) Oxygenated blood to brain

Q16. A respiratory pigment is absent in

(i) Earthworm
(ii) Frog
(iii) Rabbit
(iv) Cockroach

(iv) Cockroach

Q17. Pulmonary vein carries

(i) Pure blood from heart
(ii) Impure blood from lungs
(iii) Pure blood from lungs
(iv) Impure blood from heart

(iii) Pure blood from lungs

Q18. In developing embryo RBCs are formed in

(i) Lymph node
(ii) Bone marrow
(iii) Liver
(iv) Spleen

(iii) Liver

Q19. Red cell count is carried out by

(i) Haemoglobinometer
(ii) Haemocytometer
(iii) Electrocardiogram
(iv) Sphygmomanometer

(ii) Haemocytometer

Q20. In ECG, the depolarisation of atria is indicated by

(i) S-wave
(ii) R-wave
(iii) P-wave
(iv) Q-wave

(iii) P-wave

Q21. Blood platelets are source of

(i) Calcium
(ii) Fibrinogen
(iii) Haemoglobin
(iv) Thrombolastin

(iv) Thromboplastin

Q22. Oxygenated blood occurs in

(i) Pulmonary artery
(ii) Right atrium
(iii) Right ventricle
(iv) Pulmonary vein

(iv) Pulmonary vein

Q23. Father of Angiology is:

(i) William Harvey
(ii) Batson
(iii) Marsello Malpighi
(iv) Landsteinar

(i) William Harvey

Q24. As the age advances, there is a gradual thinning of hair in human males. This is mainly because of lowered:

(i) blood supply
(ii) synthesis of proteins
(iii) synthesis of glycogen
(iv) availability of energy

(ii) synthesis of proteins

Q25. Pacemaker of the heart is

(i) A-V node
(ii) I-A septum
(iii) S-A node
(iv) A-V septum

(iii) S-A node

Q26. Heart failure occurs due to

(i) heart stops beating
(ii) damage of heart muscles
(iii) congestion of lungs
(iv) all of the above

(iii) congestion of lungs

Q27. In adult man, normal blood pressure is

(i) 100/80 mm Hg
(ii) 80/120 mm Hg
(iii) 100/120 mm Hg
(iv) 120/80 mm Hg

(iv) 120/80 mm Hg

Q28. Blood of which vessel in mammals carries least percentage of urea

(i) Dorsal aorta
(ii) Renal vein
(iii) Renal artery
(iv) Posterior vena cava

(ii) Renal vein

Q29. The middle man of our body is:

(i) Kidney
(ii) Lymph
(iii) Heart
(iv) Blood

(ii) Lymph

Q30. Artificial pace maker is transplanted in

(i) Inter auricular septum
(ii) Below the collar bone
(iii) Inter ventricular septum
(iv) Right auricle

(ii) Below the collar bone

Q31. First heart transplant was performed by:

(i) William Harvey
(ii) Watson
(iii) Christian Bernard
(iv) Khorana

(iii) Christian Bernard

Q32. First heart transplant was performed by:

(i) William Harvey
(ii) Watson
(iii) Christian Bernard
(iv) Khorana

(iii) Christian Bernard

Q33. Valves are found in veins to check the back flow of the blood, flowing under

(i) Low pressure
(ii) High pressure
(iii) Very high pressure
(iv) No pressure

(i) Low pressure

Q34. Among the following stem cells, which are found in the umbilical cord?

(i) Cord blood stem cells
(ii) Adult stem cells
(iii) Embryonic stem cells
(iv) All of the above

(i) Cord blood stem cells

Q35. The middle man of our body is:

(i) Kidney
(ii) Lymph
(iii) Heart
(iv) Blood

(ii) Lymph

Q36. In adult man, normal blood pressure is

(i) 100/80 mm Hg
(ii) 80/120 mm Hg
(iii) 100/120 mm Hg
(iv) 120/80 mm Hg

(iv) 120/80 mm Hg

Q37. The vessel carrying blood to Bowman’s capsule is

(i) Efferent arteriole
(ii) Afferent arteriole
(iii) Pulmonary vein
(iv) Renal vein

(ii) Afferent arteriole

Q38. Heparin is

(i) Anti-allergic
(ii) Blood diluter
(iii) Anticoagulant
(iv) Antiseptic

(iii) Anticoagulant

Q39. Blood enters the heart because muscles of the

(i) Ventricles contract
(ii) Ventricles relax
(iii) Atria contract
(iv) Atria relax

(iv) Atria relax

Q40. Red cell count is carried out by

(i) Haemoglobinometer
(ii) Haemocytometer
(iii) Electrocardiogram
(iv) Sphygmomanometer

(ii) Haemocytometer

I Think the given NCERT MCQ Questions for class 11 Biology book Chapter 18 Body Fluids and Circulation with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 11 Biology Body Fluids and Circulation MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.

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