Select the incorrect statements with reference to Rh grouping.
A. Erythroblastosis foetalis is a condition observed having foetus with \(Rh^{-ve}\) blood and mother with \(Rh^{-ve}\) blood.
B. Rh antigen is observed on RBCs in the majority of human beings.
C. Before blood transfusion, Rh group should also be matched.
D. Rh incompatibility is observed when a pregnant mother is \(Rh^{-ve}\) and the foetus is \(Rh^{-ve}\)
E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.
Choose the answer from the options given below:
1. A and E only 2. A and B only
3. B and C only 4. C and D only
Subtopic:  Blood: Blood Group (A,B,O) |
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Level 3: 35%-60%
NEET - 2026
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The WBC count of a person's blood sample is 8000/cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately?
1. 160 – 240/cu.mm and 1600 – 2000/cu.mm, respectively
2. 100 – 120/cu.mm and 160 – 200/cu.mm, respectively
3. 300 – 500/cu.mm and 500 – 700/cu.mm, respectively
4. 300 – 500/cu.mm and 1200 – 1500/cu.mm, respectively
Subtopic:  Blood: White Blood Cells |
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Level 2: 60%+
NEET - 2026
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The opening between the right atrium and the right ventricle is guarded by ___________.
1. sino-atrial node
2. bicuspid valve
3. tricuspid valve
4. semilunar valve
Subtopic:  Human Heart: Gross Anatomy |
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Level 2: 60%+
NEET - 2026
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Which of the following is not a part of human central neural system ?
1. Pericardium
2. Arachnoid
3. Dura mater
4. Pia mater
 
Subtopic:  Human Heart: Gross Anatomy |
 83%
Level 1: 80%+
NEET - 2026
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The number of action potentials generated by sino-arterial node (SAN) in a healthy human is _____ per minute.
1. 120 - 140
2. 28 - 30
3. 70 - 75
4. 100 - 110
Subtopic:  Human Heart: Double Circulation |
 87%
Level 1: 80%+
NEET - 2026
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Which of the following statements is incorrect?
1. Fibrinogen is produced from fibrin
2. Blood coagulates in response to an injury
3. Blood clot consists of fibrins
4. Fibrin is produced from fibrinogen
Subtopic:  Blood: Blood Clotting |
 72%
Level 2: 60%+
NEET - 2026
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Cardiac activities of the heart are regulated by : 
A. Nodal tissue
B. A special neural centre in the medulla oblongata 
C. Adrenal medullary hormones
D. Adrenal cortical hormones
Choose the correct answer from the options given below:
1. A, C and D only
2. A, B and D only
3. A, B and C only
4. A, B C and D
Subtopic:  Regulation of Cardiac Activity |
 63%
Level 2: 60%+
NEET - 2025
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'Lub' sound of heart is caused by the ___________.
1. closure of the semilunar valves
2. opening of tricuspid and bicuspid valves
3. opening of the semilunar valves
4. closure of the tricuspid and bicuspid valves
Subtopic:  Human Heart: Cardiac Cycle |
 75%
Level 2: 60%+
NEET - 2024
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In standard ECG diagram, the P-wave represents:
1. Depolarisation of the atria 
2. Repolarisation of the ventricle 
3. Depolarisation of the ventricle
4. End of systole
Subtopic:  ECG & Coronary Artery Disease |
 94%
Level 1: 80%+
NEET - 2024
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Match List-I with List-II
List-I List-II
A. Tricuspid valves I. Guards the opening between right atrium and right ventricle 
B. Sino-atrial node II. Guards the opening between the left atrium and the left ventricle 
C.  Mitral valves III.  Guards the opening of right and left ventricles into pulmonary artery and aorta, respectively
D. Semilunar valves IV.  Cardiac musculature in the right upper corner of right atrium
Choose the correct answer from the options given below:
1. A-III, B-IV, C-II, D-I 2. A-II, B-I, C-IV, D-III
3. A-III, B-IV, C-I, D-II 4. A-I, B-IV, C-II, D-III
Subtopic:  Human Heart: Gross Anatomy | Human Heart: Cardiac Cycle | Circulatory Pathways |
 83%
Level 1: 80%+
NEET - 2024
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