NEET Topic-wise & A
Topic 1: BLOOD AND LYMPH
NEET: Previous Years Questions
01. Which of the following statements are correct?
A. Basophils are most abundant cells of the total WBCs
B. Basophils secrete histamine, serotonin and heparin
C. Basophils are involved in inflammatory response
D. Basophils have kidney shaped nucleus
E. Basophils are agranulocytes
Choose the correct answer from the options given below:
(1) C and E only
(2) B and C only
(2) A and B only
(4) D and E only (NEET 2023)
✅ (2) B and C only
02. Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins? (NEET 2021)
(1) Thrombin
(2) Renin
(3) Epinephrine
(4) Thrombokinase
✅ (1) Thrombin
03. Persons with 'AB' blood group are called as "Universal recipients". This is due to
(1) Absence of antigens A and B on the surface of RBCs
(2) Absence of antigens A and B in plasma
(3) Presence of antibodies, anti-A and anti-B, on RBCs
(4) Absence of antibodies, anti-A and anti-B, in plasma (NEET 2021)
✅ (4) Absence of antibodies, anti-A and anti-B, in plasma
04. Match the following columns and select the correct option. (NEET 2020)
✅ (3) (iii) (iv) (ii) (i)
05. Match the items given in column I with those in column II and select the correct option given below:
i ii iii
(1) c b a
(2) a b c
(3) a c b
(4) b c a (NEET 2018)
✅ (4) b c a
06. Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (NEET 2017)
1. They do not need to reproduce.
2. They are somatic cells.
3. They do not metabolise.
4. All their internal space is available for oxygen transport.
(1) Only 1
(2) 1, 3 and 4
(3) 2 and 3
(4) Only 4
✅ (4) Only 4
07. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (NEET-II 2016)
(1) Erythrocytes
(2) Leucocytes
(3) Neutrophils
(4) Thrombocytes
✅ (4) Thrombocytes
08. Serum differs from blood in
(1) lacking globulins
(2) lacking albumins
(3) lacking clotting factors
(4) lacking antibodies (NEET-II 2016)
✅ (3) lacking clotting factors
Model Questions
09. Which statement is incorrect about Plasma?
(1) Straw-coloured and slightly alkaline
(2) It constitutes about 45% of the blood
(3) 6-8% plasma proteins are present in plasma
(4) Major component of plasma is water
✅ (2) It constitutes about 45% of the blood
10. Which Plasma protein is related with immune system?
(1) Fibrinogen
(2) Albumins
(3) Globulins
(4) Thrombin
✅ (3) Globulins
11. Serum is
(1) Blood without fibrinogen
(2) Plasma without fibrinogen
(3) Blood without corpuscles and fibrinogen
(4) Both B & C
✅ (4) Both B & C
12. Select the wrong statement about RBC.
(1) Most abundant cells present in blood is RBC
(2) RBC takes part in O2 and CO2 transport
(3) Immature RBCs are non-nucleated
(4) They are formed in red bone marrow
✅ (3) Immature RBCs are non-nucleated
13. Normal haemoglobin level in human is
(1) 12-16 gm/ dl
(2) 16-18 gm/ dl
(3) 12-16 mg/ dl
(4) 16-18 mg/ dl
✅ (1) 12-16 gm/ dl
14. Which set of WBCs are all granulocytes?
(1) Neutrophil, lymphocyte and monocyte
(2) Neutrophil, eosinophils and basophils
(3) Monocyte, eosinophils and basophils
(4) Eosinophils, lymphocyte and basophils
✅ (2) Neutrophil, eosinophils and basophils
15. WBCs are
(1) Formed in Bone marrow and take part in blood coagulation
(2) Formed in lymph glands and take part in gas transport
(3) Formed in Bone marrow and act as part of immune system
(4) Formed in lymph glands and all of them act as phagocytes
✅ (3) Formed in Bone marrow and act as part of immune system
16. Identify the given figure and select the correct option.
(1) Neutrophil – Phagocytic cell which destroy foreign organisms entering the body.
(2) Eosinophil – Their number increases during allergic infection.
(3) Lymphocyte – Small sized non-motile and non-phagocytic.
(4) Monocyte – Motile and phagocytic in nature.
✅ (1) Neutrophil – Phagocytic cell which destroy foreign organisms entering the body.
17. Blood clotting corpuscle is
(1) Monocyte
(2) Thrombocyte
(3) Lymphocyte
(4) Erythrocyte
✅ (2) Thrombocyte
18. Which is not involved in blood coagulation?
(1) Fibrinogen
(2) Thrombin
(3) Prothrombinase
(4) Albumin
✅ (4) Albumin
19. Which statement is incorrect regarding human blood groups?
(1) A group has antigen A in plasma and anti-B on RBC
(2) B group has antigen B on RBC and anti-A in plasma
(3) AB group has no anti-A and anti-B
(4) O group has no antigen A & B
✅ (1) A group has antigen A in plasma and anti-B on RBC
20. Universal donor is
(1) AB +ve
(2) AB -ve
(3) O -ve
(4) O +ve
✅ (3) O -ve
21. Rh– person donated blood to Rh+ person for the second time. Then,
(1) Rh– person will die
(2) Nothing happens to Rh+ person
(3) Rh+ blood starts reacting to Rh– blood
(4) Rh+ person will die
✅ (2) Nothing happens to Rh+ person
22. In which of the following situations is there a risk factor for children incurring Erythroblastosis foetalis?
(1) Mother is Rh -ve and father is Rh -ve
(2) Mother is Rh -ve and father is Rh +ve
(3) Mother is Rh +ve and father is Rh +ve
(4) Mother is Rh +ve and father is Rh -ve
✅ (2) Mother is Rh -ve and father is Rh +ve
23. Which of the following is the function of lymph?
(1) It carries plasma proteins formed in liver to blood
(2) Transports digested fats, fat soluble vitamins, hormones etc.
(3) Filtration of bacteria and foreign particles
(4) All of these
✅ (4) All of these
24. Compare to blood our Lymph has
(1) No plasma
(2) Plasma without proteins
(3) More WBCs and no RBCs
(4) More RBCs and less WBCs
✅ (3) More WBCs and no RBCs
25. Lymph nodes produce
(1) Lymphocytes & Monocytes
(2) Monocytes & antibodies
(3) Monocytes, Lymphocytes & antibodies
(4) Lymphocytes & antibodies
✅ (4) Lymphocytes & antibodies
Topic 2: CIRCULATORY PATHWAYS, STRUCTURE OF HEART, CARDIAC CYCLE
NEET: Previous Years Questions
26. Following are the stages of pathway for conduction of an action potential through the heart. (NEET 2024)
A. AV bundle
B. Purkinje fibres
C. AV node
D. Bundle branches
E. SA node
Choose the correct sequence of pathway from the options given below:
(1) E-C-A-D-B
(2) A-E-C-B-D
(3) B-D-E-C-A
(4) E-A-D-B-C
✅ (1) E-C-A-D-B
27. Match List I with List II:
Choose the correct answer from the options given below:
(1) A-I, B-III, C-IV, D-II
(2) A-III, B-II, C-IV, D-I
(3) A-II, B-III, C-I, D-IV
(4) A-IV, B-II, C-I, D-III (NEET 2024)
✅ (2) A-III, B-II, C-IV, D-I
28. Match List I with List II. (NEET 2023)
Choose the correct answer from the options given below:
(1) A-IV, B-III, C-II, D-I
(2) A-II, B-IV, C-I, D-III
(3) A-I, B-II, C-III, D-IV
(4) A-III, B-I, C-IV, D-II
✅ (4) A-III, B-I, C-IV, D-II
29. The QRS complex in a standard ECG represents:
(1) Depolarisation of ventricles
(2) Repolarisation of ventricles
(3) Repolarisation of auricles
(4) Depolarisation of auricles (NEET 2020)
✅ (1) Depolarisation of ventricles
30. Which would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL? (NEET 2019)
(1) 50 beats per minute
(2) 75 beats per minute
(3) 100 beats per minute
(4) 125 beats per minute
✅ (3) 100 beats per minute
31. Match the Column - I with Column - II. (NEET 2019)
Select the correct option:
✅ (1) (iv) (i) (ii) (iii)
32. Match the items given in column I with those in column II and select the correct option given below:
i ii iii
(1) c a b
(2) a c b
(3) a b c
(4) b a c (NEET 2018)
✅ (1) c a b
33. The hepatic portal vein drains blood to liver from
(1) stomach
(2) kidneys
(3) intestine
(4) heart (NEET 2017)
✅ (3) intestine
34. Blood pressure in the pulmonary artery is
(1) more than that in the pulmonary vein
(2) less than that in the venae cavae
(3) same as that in the aorta
(4) more than that in the carotid (NEET-I 2016)
✅ (1) more than that in the pulmonary vein
35. In mammals, which blood vessel would normally carry largest amount of urea? (NEET-I 2016)
(1) Hepatic vein
(2) Hepatic portal vein
(3) Renal vein
(4) Dorsal aorta
✅ (1) Hepatic vein
Model Questions
36. For circulation, simple organisms such as sponges, coelenterates etc. use
(1) Water
(2) Blood & lymph
(3) Lymph only
(4) Haemolymph
✅ (1) Water
37. Open circulatory system is seen in
(1) Arthropods and annelids
(2) Arthropods and molluscs
(3) Molluscs and annelids
(4) Annelids and chordates
✅ (2) Arthropods and molluscs
38. Number of heart chambers present in fish, amphibians, reptiles, birds and mammals respectively is
(1) 2, 3, 4, 4, 4
(2) 2, 2, 3, 4, 4
(3) 2, 3, 3, 3, 4
(4) 2, 3, 3, 4, 4
✅ (4) 2, 3, 3, 4, 4
39. Which represents the single circulation in fishes?
(1) Deoxygenated blood from heart → oxygenated by gills → supplied to body parts → deoxygenated blood → to heart
(2) Oxygenated blood from heart → supplied to body parts → deoxygenated blood → oxygenated by gills → to heart
(3) Deoxygenated blood from heart → oxygenated by gills → to heart → supplied to body parts → deoxygenated blood → to heart
(4) Oxygenated blood from heart → supplied to body parts → deoxygenated blood → to heart → oxygenated by gills → to heart
✅ (1) Deoxygenated blood from heart → oxygenated by gills → supplied to body parts → deoxygenated blood → to heart
40. Which is not true about incomplete double circulation?
(1) Heart is 3 chambered with 2 atria & one ventricle.
(2) Left atrium receives pure blood from the respiratory organ and right atrium gets impure blood from other body parts.
(3) This type of circulation is seen in amphibians and crocodiles.
(4) The ventricle pumps out mixed blood.
✅ (3) This type of circulation is seen in amphibians and crocodiles
41. Arteries are best defined as the vessels which
(1) Carry blood away from heart to different organs
(2) Break up into capillaries which reunite to form a vein
(3) Carry blood from one visceral organ to another visceral organ
(4) Supply oxygenated blood to different organs
✅ (1) Carry blood away from heart to different organs
42. In the given figure of the heart, which f the marked structures (1, 2, 3, 4, 5) carry oxygenated blood?
(1) 1, 2, 3 & 4
(2) 1 & 5
(3) 1 & 4
(4) 3 & 5
✅ (3) 1 & 4
43. Which of the following matches correctly?
(1) Inferior vena cava – Receives deoxygenated blood from head and body
(2) Superior vena cava – Receives deoxygenated blood from the lower body and organs
(3) Pulmonary artery – Carries deoxygenated blood to the lungs
(4) Hepatic artery – Carries deoxygenated blood to the gut
✅ (3) Pulmonary artery – Carries deoxygenated blood to the lungs
44. The opening of right atrium into right ventricle of human heart is guarded by
(1) Tricuspid valve
(2) Pulmonary semilunar valve
(3) Bicuspid valve
(4) Aortic semilunar valve
✅ (1) Tricuspid valve
45. Pacemaker is
(1) Instrument for measuring heartbeat
(2) Instrument for measuring pulse rate
(3) Atrioventricular node (AVN) that provides impulse for heartbeat
(4) Sinu-auricular node (SAN) that provides impulse for heartbeat
✅ (4) Sinu-auricular node (SAN) that provides impulse for heartbeat
46. Rhythmic heartbeat is maintained by a highly specialized conductive system. Which of the following is correct pathway for propagation of cardiac impulse?
(1) SAN → AVN → Bundle of His → Purkinje fibres
(2) AVN → Bundle of His → SAN → Purkinje fibres
(3) SAN → Purkinje fibres → AVN → Bundle of His
(4) Purkinje fibres → AVN → SAN → Bundle of His
✅ (1) SAN → AVN → Bundle of His → Purkinje fibres
47. During ventricular systole
(1) Oxygenated blood is pumped into pulmonary artery and deoxygenated blood is pumped into aorta
(2) Oxygenated blood is pumped into aorta and deoxygenated blood is pumped into pulmonary vein
(3) Oxygenated blood is pumped into pulmonary vein and deoxygenated blood is pumped into pulmonary artery
(4) Oxygenated blood is pumped into aorta and deoxygenated blood is pumped into pulmonary artery
✅ (4) Oxygenated blood is pumped into aorta and deoxygenated blood is pumped into pulmonary artery
48. 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?
(1) The flow of blood into the aorta will be slowed down
(2) The ‘pace maker’ will stop working
(3) The blood will tend to flow back into the left atrium
(4) The flow of blood into the pulmonary artery will be reduced
✅ (4) The flow of blood into the pulmonary artery will be reduced
49. The first heard heart sound is
(1) ‘lubb’ sound at the end of systole
(2) ‘dupp’ sound at the end of the systole
(3) ‘lubb’ sound at the beginning of systole
(4) ‘dupp’ sound at the beginning of the systole
✅ (3) ‘lubb’ sound at the beginning of systole
50. Cardiac output is
(1) The product of heart rate and stroke volume
(2) The blood pumped in one minute
(3) The blood pumped during one cardiac cycle
(4) The sum of heart rate and stroke volume
✅ (1) The product of heart rate and stroke volume
51. The given figure shows the schematic plan of blood circulation in humans with labels A to D. identify the label and give its functions.
(1) C – Vena cava – takes blood from body parts to right auricle, pCO2 = 45 mm Hg
(2) D – Dorsal aorta – takes blood from heart to body parts, pO2 = 95 mm Hg
(3) A – Pulmonary vein – takes impure blood from body parts, pO2 = 60 mm Hg
(4) B – Pulmonary artery – takes blood from heart to lungs, pO2 = 90 mm Hg
✅ (1) C – Vena cava – takes blood from body parts to right auricle, pCO2 = 45 mm Hg
52. The sequence of pulmonary circulation is
(1) Left ventricle → pulmonary artery → lungs → pulmonary vein → right atrium
(2) Right ventricle → pulmonary artery → lungs → pulmonary vein → left atrium
(3) Left ventricle → pulmonary vein → lungs → pulmonary artery → right atrium
(4) Right ventricle → pulmonary vein → lungs → pulmonary artery → left atrium
✅ (2) Right ventricle → pulmonary artery → lungs → pulmonary vein → left atrium
53. The circulation between heart and cardiac musculature is called
(1) Coronary circulation
(2) Systemic circulation
(3) Portal circulation
(4) Pulmonary circulation
✅ (1) Coronary circulation
54. Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
(1) Complex QRS – one complete pulse
(2) Peak T – initiation of total cardiac contraction
(3) Peak P and peak R together – systolic and diastolic blood pressures
(4) Peak P – initiation of left atrial contraction
✅ (1) Complex QRS – one complete pulse
Topic 3: CIRCULATORY DISORDERS
Model Questions
55. Which one of the following statements is correct regarding blood pressure?
(1) 80/120 mmHg is considered an ideal blood pressure
(2) 105/50 mmHg makes one very active
(3) 190/110 mmHg may harm vital organs like brain and kidney
(4) 130/90 mmHg is considered high and requires treatment
✅ (3) 190/110 mmHg may harm vital organs like brain and kidney
56. Sudden damage of heart muscle due to inadequate blood supply is called
(1) Cardiac arrest
(2) Heart attack
(3) Coronary artery disease
(4) Angina pectoris
✅ (2) Heart attack
57. Congestion of the lungs is one of the main symptoms in
(1) Coronary artery disease
(2) Angina
(3) Heart failure
(4) Atherosclerosis
✅ (3) Heart failure