(Circulation in Animals – Paper 01), Total Questions: 20, Subject: Biology, Topic: Circulation in Animals, Question Type: MCQs
| Sr. No. | Questions | Answers |
| 1. | ‘Dup’ sound is produced during closure of (a) Semilunar valves (b) Bicuspid valve (c) Tricuspid valve (d) Both B and C |
Answer: (a) |
| 2. | A fully mature human RBC has (a) A nucleus (b) No nucleus (c) Nucleus may or may not be present (d) None of the above |
Answer: (b) |
| 3. | A portion of cardiovascular system that transports oxygen depleted blood from the heart to lungs and brings oxygenated blood back to heart is (a) Pulmonary circulation (b) Coronary circulation (c) Systemic circulation (d) Single circulation system |
Answer: (a) |
| 4. | A respiratory pigment is absent in (a) Earthworm (b) Frog (c) Rabbit (d) Cockroach |
Answer: (d) |
| 5. | A sample of blood shows clumping with antiserum A but not with antiserum B. The blood group would be (a) O (b) A (c) B (d) AB |
Answer: (b) |
| 6. | A vein possesses large number lumen because (a) Tunica media and tunica externa form a single coat (b) Tunica interna and tunica media form a single coat (c) Tunica interna, tunica media and tunica externa are thin (d) Tunica media is thin coat |
Answer: (d) |
| 7. | A young man of 25 years has his blood pressure (a) 130/90 mm Hg (b) 120/80 mm Hg (c) 120/90 mm Hg (d) 130/80 mm Hg |
Answer: (b) |
| 8. | Abnormal fall in total count of WBCs in the human blood is called (a) Anaemia (b) Polycythemia (c) Leucopenia (d) leukaemia |
Answer: (c) |
| 9. | Alary muscles of cockroach are associated with (a) Malpighian tubules and excretion (b) Tracheae and respiration (c) Heart and circulation (d) None of the above |
Answer: (c) |
| 10. | All veins have deoxygenated blood except (a) Renal artery (b) Hepatic vein (c) Hepatic portal vein (d) Pulmonary veins |
Answer: (d) |
| 11. | Amount of blood pumped by heart into body per minute is called (a) Atrial output (b) Ventricular output (c) Cardiac output (d) Stroke volume |
Answer: (c) |
| 12. | Artery is a vessel that carries blood (a) towards the heart (b) away from heart (c) away from tissues (d) towards the liver |
Answer: (b) |
| 13. | At the time of diastole, heart is filled with (a) Mixed blood (b) Venous blood (c) Deoxygenated blood (d) Oxygenated blood |
Answer: (b) |
| 14. | Auricular systole in cardiac cycle lasts for about (a) 0.4 sec (b) 0.1 sec (c) 0.8 sec (d) 0.7 sec |
Answer: (b) |
| 15. | Blocking of arteries is due to deposition of fats and calcium is called (a) Arteriosclerosis (b) Artherosclerosis (c) Emphysema (d) Heart syndrome |
Answer: (b) |
| 16. | Blood capillaries are made of (a) Endothelium, connective tissue and muscle fibres (b) Endothelium and muscle fibres (c) Endothelium and connective tissue (d) Endothelium only |
Answer: (d) |
| 17. | Blood of Cockroach has no role in respiration as it does not have (a)Haemoglobin (b) Plasma (c) Trehlose (d) Haemocytes |
Answer: (a) |
| 18. | Blood of Cockroach is called (a) Haemocyanin (b) Haemoglobin (c) Haemolymph (d) Haemolysis |
Answer: (c) |
| 19. | Blood of which of the following is colourless? (a) Earthworm (b) Cockroach (c) Leech (d) Frog |
Answer: (b) |
| 20. | Blood passes from left ventricle to right atrium. It is (a) Pulmonary circulation (b) Systemic circulation (c) Coronary circulation (d) Arteriovenous Circulation |
Answer: (b) |