Match List I with List II: 
List I List II
A. P wave I. Heart muscles are electrically silent
B. QRS complex II. Depolarisation of ventricles.
C. T wave III. Depolarisation of atria.
D. T-P gap  IV. Repolarisation of ventricles.

Choose the correct answer from the options given below: 
1. A-III, B-II, C-IV, D-I
2. A-II, B-III, C-I, D-IV
3. A-IV, B-II, C-I, D-III
4. A-I, B-III, C-IV, D-II

Subtopic:  ECG & Coronary Artery Disease | Circulatory Pathways |
 84%
From NCERT
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 |
 85%
From NCERT
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 |
 84%
From NCERT
NEET - 2024
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Following are the stages of pathway for conduction of an action potential through the heart:
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. A-E-C-B-D
2. B-D-E-C-A
3. E-A-D-B-C
4. E-C-A-D-B
Subtopic:  Human Heart: Cardiac Cycle |
 80%
From NCERT
NEET - 2024
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 Match List - I with List - II
List-I List-II
(A) Eosinophils (I) 6-8%
(B) Lymphocytes (II) 2-3%
(C) Neutrophils (III) 20-25%
(D) Monocytes (IV) 60-65%

Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. IV I II III
2. IV I III II
3. II III IV I
4. II III I IV
Subtopic:  Blood: White Blood Cells |
 87%
From NCERT
NEET - 2023
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 Match List - I with List - II
List-I (ECG) List-II (Electrical activity of heart)
(A) P-wave (I) Depolarisation of ventricles
(B) QRS complex (II) End of systole
(C) T wave (III) Depolarisation of atria
(D) End of T wave (IV) Repolarisation of ventricles

Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. IV I III II
2. I IV III II
3. IV III I II
4. III I IV II
Subtopic:  ECG & Coronary Artery Disease |
 89%
From NCERT
NEET - 2023
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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. A and B only 2. D and E only
3. C and E only 4. B and C only
Subtopic:  Blood: White Blood Cells | Blood: General Description & RBC |
 84%
From NCERT
NEET - 2023
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Match List I with List II
List I List II
A. P-wave I. Beginning of systole 
B. Q-wave II. Repolarisation of ventricles
C. QRS complex III. Depolarisation of atria 
D. T-wave IV. Depolarisation of ventricles

Choose the correct answer from the options given below:
Options: A B C D
1. I II III IV
2. III I IV II
3. IV III II I
4. II IV I II
Subtopic:  ECG & Coronary Artery Disease |
 83%
From NCERT
NEET - 2023
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Arrange the following formed elements in the decreasing order of their abundance in blood in humans :
(a) Platelets
(b) Neutrophils
(c) Erythrocytes
(d) Eosinophils
(e) Monocytes
Choose the most appropriate answer from the options given below :
1. (c), (a), (b), (e), (d)
2. (c), (b), (a), (e), (d)
3. (d), (e), (b), (a), (c)
4. (a), (c), (b), (d), (e)
Subtopic:  Blood: White Blood Cells |
 63%
From NCERT
NEET - 2022
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Inadequate supply of oxygen to heart muscles leads to a symptom of acute chest pain. This disorder of the circulatory system is identified as: 
1. Angina pectoris 
2. Cardiac arrest 
3. Heart failure 
4. Coronary Heart Disease 

Subtopic:   DISORDERS OF CIRCULATORY SYSTEM |
 85%
From NCERT
NEET - 2022
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