Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) NEET Questions

Biology - Human Physiology

Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) MCQ Questions


7.
Which artery carries deoxygenated blood?
A.
Aorta
B.
Pulmonary artery
C.
Coronary artery
D.
Carotid artery
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ANSWER :
B. Pulmonary artery
8.
Which blood cells are involved in immunity?
A.
Lymphocytes
B.
Erythrocytes
C.
Platelets
D.
Thrombocytes
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ANSWER :
A. Lymphocytes
9.

The pacemaker of the heart is:

NEET - 2022

A.

AV node

B.

Bundle of His

C.

Purkinje fibers

D.

SA node

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ANSWER :

D. SA node

10.

Which ECG wave corresponds to ventricular repolarization?

NEET - 2020

A.

T wave

B.

P wave

C.

QRS complex

D.

U wave

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ANSWER :

A. T wave

11.
Which is the largest artery in human body?
A.
Pulmonary artery
B.
Aorta
C.
Coronary artery
D.
Carotid artery
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ANSWER :
B. Aorta
12.
Which blood component helps in clotting?
A.
Erythrocytes
B.
Platelets
C.
Leukocytes
D.
Plasma
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ANSWER :
B. Platelets