Free Body Fluids And Circulation (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Heart valves function to

(a) keep blood moving forward through the heart.

(b) control the amount of blood pumped by the heart.

(c) mix blood thoroughly as it passes through the heart.

(d) slow blood down as it passes through the heart.

Question-2

P-wave represents

(a) Repolarization of ventricle

(b) Depolarization of ventricles

(c) Repolarization of atria

(d) Depolarization of atria

Question-3

Blood pressure in the pulmonary artery is

(a) less than that in the venae cavae

(b) more than that in the pulmonary vein

(c) same as that in the aorta

(d) more than that in the carotid

Question-4

Arteries are best defined as the vessels which:

(a) Break up into capillaries which reunite to form a vein.

(b) Carry blood away from the heart to different organs.

(c) Carry blood from one visceral organ to another visceral organ.

(d) Supply oxygenated blood to different organs.

Question-5

Which one of the following is a incorrect matching pair?

(a) Lubb-Sharp closure of AV valves at the beginning of atrial systole

(b) Cardiac Output-Stroke volume and heartbeat

(c) Dub-Sudden opening of semilunar valves at the end of ventricular systole

(d) Initiation of the heartbeat -sinoatrial node