MCQ Questions for Class 11 Biology: Ch 18 Body Fluids and Circulation

MCQ Questions for Class 11 Biology: Ch 18 Body Fluids and Circulation

1. The layer of heart pericardium which checks its overstretching and overfilling as well as also protects heart from mechanical injury is :
(a) Serous pericardium
(b) Visceral pericardium
(c) Parietal pericardium
(d) Fibrous pericardium
► (d) Fibrous pericardium

2. Carotid artery carries the blood which is:
(a) Impure blood to kidneys
(b) Oxygenated blood to brain
(c) Oxygenated blood to heart
(d) Impure blood from brain
► (b) Oxygenated blood to brain

3. Which artery supplies blood to the diaphragm :-
(a) Phrenic
(b) Splenic
(c) Renal
(d) Caudal
► (a) Phrenic

4. The specialised patch of modified heart muscles from where contraction initiates, is/are :
(a) Pacesetter of heart
(b) Both SAN and AVN together
(c) Pacemaker of heart
(d) None of the Above
► (c) Pacemaker of heart

5. Pawan stood still for a long time and he felt swelling of feet. What would you suggest him :
(a) Ask for some medicine to cure his swelling of feet
(b) Drink a cup of tea
(c) Jerk or wriggle his legs to restart circulation
(d) Keep on standing and do some shoulder exercise
► (c) Jerk or wriggle his legs to restart circulation

6. Antigens are present
(a) inside the nucleus
(b) on cell surface
(c) inside the cytoplasm
(d) on nuclear membrane
► (b) on cell surface

7. Red cell count is carried out by
(a) Haemoglobinometer
(b) Haemocytometer
(c) Electrocardiogram
(d) Sphygmomanometer
► (b) Haemocytometer

8. Father of Angiology is:
(a) William Harvey
(b) Batson
(c) Marsello Malpighi
(d) Landsteinar
► (a) William Harvey

9. The SA node is located in
(a) Upper lateral wall of the left atrium
(b) Lower lateral wall of the right atrium
(c) Lower lateral wall of the left atrium
(d) Upper lateral wall of the right atrium
► (d) Upper lateral wall of the right atrium

10. Which one of the following statements about blood constituents and transport of respiratory gases is most accurate?
(a) RBCs transport oxygen whereas WBCs transport CO2
(b) RBCs transport oxygen whereas plasma transports only CO2
(c) RBCs as well as WBCs transport both oxygen and CO2
(d) RBCs as well as plasma transport both oxygen and CO2
► (d) RBCs as well as plasma transport both oxygen and CO2

11. In adult man, normal blood pressure is
(a) 100/80 mm Hg
(b) 80/120 mm Hg
(c) 100/120 mm Hg
(d) 120/80 mm Hg
► (d) 120/80 mm Hg

12. The pre-hypertension blood pressure value is a measurement between :
(a) 120/80 and 139/89
(b) 139/89 and 140/90
(c) 120/80 and 140/90
(d) 100/70 and 120/80
► (a) 120/80 and 139/89

13. First heart transplant was performed by:
(a) William Harvey
(b) Watson
(c) Christian Bernard
(d) Khorana
► (c) Christian Bernard

14. In the systemic circulation, blood vessel that carries blood from the intestine to liver is named :
(a) Hepatic portal arch
(b) None of these
(c) Hepatic portal artery
(d) Hepatic portal vein
► (d) Hepatic portal vein

15. The middle man of our body is:
(a) Kidney
(b) Lymph
(c) Heart
(d) Blood
► (b) Lymph

16. A renal portal system is found in:
(a) Rabbit
(b) Mouse
(c) Horse
(d) Frog
► (d) Frog

17. Blood of which vessel in mammals carries least percentage of urea :-
(a) Dorsal aorta
(b) Renal vein
(c) Renal artery
(d) Posterior vena cava
► (b) Renal vein

18. Blood enters the heart because muscles of the
(a) Ventricles contract
(b) Ventricles relax
(c) Atria contract
(d) Atria relax
► (d) Atria relax

19. As the age advances, there is a gradual thinning of hair in human males. This is mainly because of lowered:
(a) blood supply
(b) synthesis of proteins
(c) synthesis of glycogen
(d) availability of energy
► (b) synthesis of proteins

20. Which of the following statments is true for lymph?
(a) WBC and serum
(b) All components of blood except RBCs and some proteins
(c) RBCs, WBCs and plasma
(d) RBCs proteins and platelets
► (b) All components of blood except RBCs and some proteins

21. In ECG, the depolarisation of atria is indicated by
(a) S-wave
(b) R-wave
(c) P-wave
(d) Q-wave
► (c) P-wave

22. Systolic pressure is higher than diastolic pressure due to:
(a) Volume of blood in the heart is greater during systole
(b) Arteries contract during systole
(c) Blood vessels offer resistance to flowing blood during systole
(d) Blood is forced into arteries during systole.
► (d) Blood is forced into arteries during systole.

23. Angina pectoris is very often mistaken for :
(a) Chest pain
(b) Apnea
(c) Indigestion
(d) Severe headache
► (c) Indigestion

24. The cardiovascular centre is located in :
(a) Cerebellum
(b) Cerebrum
(c) Pons
(d) Medulla oblongata
► (d) Medulla oblongata

25. Pace maker influences:
(a) Contraction of heart muscles
(b) Flow of blood in heat
(c) Rate of heart beat
(d) Formation of nerve impulse
► (c) Rate of heart beat

26. Role of spleen in mammals is :-
(a) To control Blood pressure
(b) To assist liver
(c) To assist kidneys
(d) To act as haemopoitic tissue in embryo
► (d) To act as haemopoitic tissue in embryo

27. Sickle cell anaemia is induced by:
(a) change of amino acid in a-chain of haemoglobin
(b) change of amino acid in b-chain of haemoglobin
(c) change of amino acid in both a- and b-chain of haemoglobin
(d) change of amino acid in either a- or b-chain of haemoglobin
► (b) change of amino acid in b-chain of haemoglobin

28. Artery is a blood vessel which carries blood
(a) Away from the heart
(b) Towards the heart
(c) Has deoxygenated blood without exception
(d) None of the above
► (a) Away from the heart

29. What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?
(a) 360 ml
(b) 7200 ml
(c) 5000 ml
(d) 3600 ml
► (d) 3600 ml

30. All arteries carry oxygenated blood except:
(a) Systemic
(b) Hepatic
(c) Pulmonary
(d) Cardiac
► (c) Pulmonary

31. A respiratory pigment is absent in
(a) Earthworm
(b) Frog
(c) Rabbit
(d) Cockroach
► (d) Cockroach

32. The statement incorrect about human heart is :
(a) It is derived from endoderm.
(b) It is myogenic.
(c) Wall of left ventricle is thickest.
(d) It is four chambered.
► (a) It is derived from endoderm.
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