NCERT CLASS 11 | TOPIC : BODY FLUIDS AND CIRCULATION | QB-3 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : BODY FLUIDS AND CIRCULATION | QB-3 | NEET BIOLOGY ONLINE TEST

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It contains 37 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

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1 ➤ 1. Given below are four statements (1 to 4) regarding human blood circulatory system. [AIPMT MAINS 2010]

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(A) Arteries are thick walled and have narrow lumen as compared to veins.

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(B) Angina is acute chest pain when the blood circulation to the brain is reduced.

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(C) Persons with blood group AB can donate blood to any person with any blood group ABO system.

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(D) Calcium ions play a very important role in blood clotting.

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Which of the above two statements are correct?

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(a) (a) & (d) (b) (a) & (b) (c) (b) & (c) (d) (c) & (d)

2 ➤ 2. The haemoglobin content per 100 ml of blood of a normal healthy human adult is [AIPMT MAINS 2010]

(a) 5 – 11 mg (b) 25 – 30 mg (c) 17 – 20 mg (d) 12 – 16 mg

3 ➤ 3. If due to some injury the chordae tendineae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect? [AIPMT PRE 2010]

(a) The flow of blood into the aorta will be slowed down. (b) The ‘pacemaker’ will stop working. (c) The blood will tend to flow back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

4 ➤ 4.

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A) B) C) D)

5 ➤ 5. Arteries are best defined as the vessels which: [AIPMT PRE 2011]

(a) Carry blood away from the heart to different organs. (b) Break up into capillaries which reunite to form a vein. (c) Carry blood from one visceral organ to another visceral organ. (d) Supply oxygenated blood to different organs.

6 ➤ 6. Which one of the following statements is correct regarding blood pressure? [AIPMT PRE 2011]

(a) 100/55 mmHg is considered as an ideal blood pressure. (b) 105/50 mmHg makes one very active. (c) 190/110 mmHg may harm vital organs like brain and kidney. (d) 130/90 mmHg is considered high and requires treatment.

7 ➤ 7. A person with unknown blood group under ABO system has suffered more blood loss in an accident and needs immediate blood transfusion. His one friend, who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? [AIPMT PRE 2011]

(a) Type AB (b) Type O (c) Type A (d) Type B

8 ➤ 8. ‘Bundle of His’ is a part of which one of the following organs in humans? [AIPMT PRE 2011]

(a) Heart (b) Kidney (c) Pancreas (d) Brain

9 ➤ 9. Which one of the following plasma proteins is involved in the coagulation of blood? [AIPMT PRE 2011]

(a) Serum amylase (b) A globulin (c) Fibrinogen (d) An albumin

10 ➤ 10. A certain road accident with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor? [AIPMT PRE 2012]

(a) Blood group B (b) Blood group AB (c) Blood group O (d) Blood group A

11 ➤ 11.

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A) B) C) D)

12 ➤ 12. Person with blood group AB is considered as universal recipient because he has [AIPMT 2014]

(a) Both A and B antigens on RBC but no antibodies in the plasma. (b) Both A and B antibodies are in the plasma. (c) No antigen on RBC and no antibody in the plasma. (d) Both A and B antigens in the plasma but no antibodies.

13 ➤ 13. How do parasympathetic neural signals affect the working of the heart? [AIPMT 2014]

(a) Reduce both heart rate and cardiac output. (b) Heart rate is increased without affecting the cardiac output. (c) Both heart rate and cardiac output increases. (d) Heart rate decreases but cardiac output increases.

14 ➤ 14. Erythropoiesis starts in [AIPMT 2015]

(a) Kidney (b) Liver (c) Spleen (d) Red bone marrow

15 ➤ 15. Blood pressure in the mammalian aorta is maximum during: [AIPMT 2015]

(a) Systole of the left atrium (b) Diastole of the right ventricle (c) Systole of the left ventricle (d) Diastole of the right atrium

16 ➤ 16. Which one of the following is correct? [AIPMT 2015]

(a) Plasma = Blood − Lymphocytes (b) Serum = Blood + Fibrinogen (c) Lymph = Plasma + RBC + WBC (d) Blood = Plasma + RBC + WBC + Platelets

17 ➤ 17. Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when: [RE-AIPMT 2015]

(a) Ventricular walls vibrate due to gushing in of blood from atria (b) Semilunar valves close down after the blood flows into vessels from ventricles (c) AV node receives signal from SA node (d) AV valves open up

18 ➤ 18. Which one of the following animals has two separate circulatory pathways? [RE-AIPMT 2015]

(a) Lizard (b) Whale (c) Shark (d) Frog

19 ➤ 19. Blood pressure in the pulmonary artery is: [NEET - I, 2016]

(a) same as that in the aorta (b) more than that in the carotid (c) more than that in the pulmonary vein (d) less than that in the vena cavae

20 ➤ 20. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. [NEET - II, 2016]

(a) Leucocytes (b) Neutrophils (c) Thrombocytes (d) Erythrocytes

21 ➤ 21. Serum differs from blood in [NEET - II, 2016]

(a) Lacking albumins (b) Lacking clotting factors (c) Lacking antibodies (d) Lacking globulins

22 ➤ 1. Which of the following cells does not exhibit phagocytotic activity?

(a) Monocytes (b) Neutrophil (c) Basophil (d) Macrophage

23 ➤ 2. One of the common symptoms observed in people infected with Dengue fever is

(a) Significant decrease in RBC count. (b) Significant decrease in WBC count. (c) Significant decrease in platelets count. (d) Significant increase in platelets count.

24 ➤ 3. Which among the following is correct during each cardiac cycle?

(a) The volume of blood pumped out by the right and left ventricles is same. (b) The volume of blood pumped out by the right and left ventricles is different. (c) The volume of blood received by each atrium is different. (d) The volume of blood received by the aorta and pulmonary artery is different.

25 ➤ 4. Cardiac activity could be moderated by the autonomous neural system. Pick the correct answer from the following.

(a) The parasympathetic system stimulates the heart rate and stroke volume. (b) The sympathetic system stimulates the heart rate and stroke volume. (c) The parasympathetic system decreases the heart rate but increases the stroke volume. (d) The sympathetic system decreases the heart rate but increases the stroke volume.

26 ➤ 5. Mark the pair of substances among the following, which is essential for coagulation of blood.

(a) Heparin and calcium ions (b) Calcium ions and platelet factors (c) Oxalates and citrates (d) Platelet factors and heparin

27 ➤ 6. ECG depicts the depolarization and repolarization processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.

(a) Depolarization of atria (b) Repolarization of atria (c) Depolarization of ventricles (d) Repolarization of ventricles

28 ➤ 7. Which one of the following type of cells lacks nucleus?

(a) RBC (b) Neutrophils (c) Eosinophils (d) Monocytes

29 ➤ 8. Which one of the following blood cells is involved in antibody production?

(a) B-Lymphocytes (b) T-Lymphocytes (c) RBC (d) Neutrophils

30 ➤ 9. The cardiac impulse is initiated and conducted further up to ventricle. The correct sequence of conduction of impulse is

(a) SA Node → AV Node → Purkinje fibres → AV Bundle (b) SA Node → Purkinje fibres → AV Node → AV Bundle (c) SA Node → AV Node → AV Bundle → Purkinje fibres (d) SA Node → Purkinje fibres → AV Bundle → AV Node

31 ➤ 10. The Agranulocytes responsible for immune response of the body are

(a) Basophils (b) Neutrophils (c) Eosinophils (d) Lymphocytes

32 ➤ 11. The second heart sound (dub) is associated with the closure of

(a) Tricuspid valve (b) Semilunar valves (c) Bicuspid valve (d) Tricuspid and bicuspid valves

33 ➤ 12. Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?

(a) The QRS complex indicates atrial contraction. (b) The QRS complex indicates ventricular contraction. (c) The time between S and T represents atrial systole (d) The P–wave indicates the beginning of ventricular contraction.

34 ➤ 13. Which of the following statements is incorrect?

(a) A person of ‘O’ blood group has anti ‘A’ and anti ‘B’ antibodies in his blood plasma. (b) A person of ‘B’ blood group can’t donate blood to a person of ‘A’ blood group. (c) Blood group is designated on the basis of the presence of antibodies in the blood plasma. (d) A person of AB blood group is a universal recipient.

35 ➤ 14. 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) 3600 mL (c) 7200 mL (d) 5000 mL

36 ➤ 15. Match the terms given under Column I with their functions given under Column II

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(A) Lymphatic System (i) Carries oxygenated blood

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(B) Pulmonary vein (ii) Immune Response

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(C) Thrombocytes (iii) To drain back the tissue fluid to the circulatory system

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(D) Lymphocytes (iv) Coagulation of blood

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(a) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv) (b) (A) – (iii), (B) – (i), (C) – (iv), (D) – (ii) (c) (A) – (iii), (B) – (i), (C) – (ii), (D) – (iv) (d) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv)

37 ➤ 16. Read the following statements and choose the correct option.

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Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.

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Statement 2: Action potential generated at the sinoatrial node passes from atria to ventricles.

(a) Action mentioned in Statement 1 is dependent on action mentioned in Statement 2. (b) Action mentioned in Statement 2 is dependent on action mentioned in Statement 1. (c) Action mentioned in Statements 1 and 2 are independent of each other. (d) Action mentioned in Statements 1 and 2 are synchronous.

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