Free Body Fluids And Circulation (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Examination of blood of a person suspected of having anaemia, shows large, immature, nucleated erythrocytes without haemoglobin. Supple menting his diet with which of the following, is likely to alleviate his symptoms?

(a) Folic acid and cobalamine

(b) Iron compounds

(c) Riboflavin

(d) Thiamine

Question-2

The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part.

(a) C - Vein-Thin walled and blood flows in jerks/ spurts

(b) B - Capillary-Thin without muscle layer and wall two cell layers thick

(c) D - Pulmonary vein-Takes oxygenated blood to heart, $pO_2$ = 95 mmHg

(d) A - Artery-Thick walled and blood flows evenly

Question-3

Bundle of HIS consists of

1. Right bundle branch
2. Left bundle branch
3. Purkinje fibres
4. AV bundle

(a) A, B, C, D

(b) A, B and C only

(c) B, C and D only

(d) C and D only

Question-4

Bundle of His is a network of

(a) nerve fibres found throughout the heart

(b) nerve fibres distributed in ventricles

(c) muscle fibres distributed throughout the heart walls

(d) muscle fibres found only in the ventricle wall

Question-5

Match Column - I with Column - II.

Column I	Column II
A. Fibrinogen	1. Defence mechanism
B. Globulins	2. Osmotic balance
C. Albumins	3. Coagulation of blood

(a) A-(3); B-(1); C-(2)

(b) A-(3); B-(2); C-(1)

(c) A-(1); B-(3); C-(2)

(d) A-(2); B-(1); C-(3)

Question-6

The pattern of contraction and relaxation of the heart is referred to as

(a) arterial flow

(b) blood pressure

(c) blood flow

(d) cardiac cycle

Question-7

The amount of blood to be pumped out by each ventricle/minute is

(a) Cardiac output

(b) Stroke volume

(c) ERV

(d) ZRV

Question-8

The hepatic portal vein drains blood to liver from

(a) stomach

(b) intestine

(c) kidneys

(d) heart.

Question-9

Which one of the following is correct ?

(a) Lymph = Plasma + RBC + WBC

(b) Serum = Blood + Fibrinogen

(c) Blood = Plasma + RBC + WBC

(d) Plasma = Blood – Lymphocytes

Question-10

Sino-Atrial node (SAN) can generate impulses

(a) 50–55 $min^{–1}$

(b) 70–75 $min^{–1}$

(c) 35–40 $min^{–1}$

(d) 90–100 $min^{–1}$