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 |
 85%
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 |
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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 |
 86%
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 type of blood vascular system in Column I with its characteristic in Column II
Column I  Column II
A Single circulation  Heart to various parts of body
Open circulation  II Heart top lungs 
Pulmonary circulation  III Venous heart 
Systemic circulation  IV  Heamoceol 
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-II, D-I 
3. A-I, B-III, C-II, D-IV 
4. A-IV, B-II, C-III, D-I 
Subtopic:  Circulatory Pathways |
 76%
From NCERT
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Match the blood vessels of human heart listed under Column-I with the functions given under Column-II. Choose the answer Which gives the correct combination of the alphabets of the two columns. 
Column-I 
(Blood vessel) 
Column-II
(Function) 
i.  Superior vena cava  p.  Carries deoxygenated blood to lungs. 
ii.  Inferior vena cava  q.  Carries oxygenated blood to lungs. 
iii.  Pulmonary artery  r.  Brings deoxygenated blood from lower parts of the body into the right atrium. 
iv.  Pulmonary vein  s.  Brings oxygenated blood to the left atrium. 
t.  Brings deoxygenated blood from upper parts of the body into the right atrium. 
1. i=t, ii=p, iii=r, iv=q
2. i=t, ii=r, iii=p, iv=s
3. i=s, ii=t, iii=r, iv=p
4. i=t, ii=p, iii=q, iv=r
Subtopic:  Human Heart: Double Circulation |
 78%
From NCERT
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Match the type of blood respective structure in column II and function in column III and select the correct option given below. 
Column I Column II Column III
I.  Erythrocytes  A.  Spherical large cells, nucleus with many lobes  L.  Clotting of blood 
II.  Neutrophile  B.  Cellular fragments small, oval shaped  M.  Humoral and cell medicated immunity 
III.  Lymphocytes  C.  Spherical nucleus, agranular cytoplasm  N.  Transport of gases \(O_2\) and \(CO_2\)
IV.  Thrombocytes  D.  Enucleated, biconcave circular in shape  O.  Phagocytic in function 
1. I-D-L II-C-N III-A-O IV-B-M 
2. I-A-O II-C-N III-B-L IV-D-M 
3. I-D-N II-A-O III-C-M IV-B-L 
4. I-B-O II-D-M III-C-N IV-A-L 
Subtopic:  Blood: White Blood Cells |
 84%
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Match the terms is Column-I with their explanation in Column-II. 
Column I  Column II
A.  Polycythemia  I.  Decrease in number of WBCs 
B.  Erythrocytopenia  II.  Increase in number of RBCs 
C.  Leukemia  III.  Decrease in number of RBCs 
D.  Leucopenia  IV.  Uncontrolled increase in number of WBCs 
1. A-II, B-III, C-IV, D-I
2. A-I, B-II, C-III, D-IV
3. A-IV, B-II, C-I, D-III
4. A-III, B-IV, C-II, D-I 
Subtopic:  Blood: General Description & RBC |
 62%
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Match the Column I and II and select the appropriate option with the given code. 
Column I Column - I 
i.  Coronary sinus  a.  Mitral valve 
ii.  Base of systemic aorta  b.  Eustachian valve 
iii.  Left atrioventricular valve  c.  semilunar valves 
iv.  Opening of inferior vena cava  d.  Thebesian valve 
1. i-d, ii-c, iii-a, iv-b
2. i-c, ii-d, iii-, iv-a
3. i-b, ii-a, iii-d, iv-c
4. i-a, ii-b, iii-c, iv-d
Subtopic:  Human Heart: Gross Anatomy |
 69%
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Select the CORRECT match. 
I II III
i.  Monocyte  a.  Large round nucleus  l.   Antihista-mine property 
ii.  Lymphocyte  b.  Twisted nucleus  m.  Release heparin 
iii.  Basophil  c.  Bilobed nucleus  n.  Phagocytic 
iv.  Eosinophil  d.  Kidney shaped nucleus  o.  Produce antibodies 
1. i-d-n, ii-a-o, iii-b-m, iv-c-l
2. i-b-m, ii-a-l, iii-c-n, iv-d-o
3. i-c-n, ii-b-o, iii-d-m, iv-a-l
4. i-a-o, ii-d-m, iii-c-l, iv-b-n
Subtopic:  Blood: White Blood Cells |
 76%
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