Free Body Fluids And Circulation (Daily Quiz: 12) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Match the following columns and select the correct option.

Column I	Column II
(A) Eosinophils	(i) Immune response
(B) Basophils	(ii) Phagocytosis
(C) Neutrophils	(iii) Release histaminase, destructive enzymes
(D) Lymphocytes	(iv) Release granules containing histamine

(a) A-(iv), B-(i), C-(ii), D-(iii)

(b) A-(iii), B-(iv), C-(ii), D-(i)

(c) A-(i), B-(ii), C-(iv), D-(iii)

(d) A-(ii), B-(i), C-(iii), D-(iv)

Question-2

Which one of the following human organs is often called the “graveyard” of RBCs?

(a) Spleen

(b) Kidney

(c) Liver

(d) Gall bladder

Question-3

'Heart of heart' is

(a) AV node

(b) SA node

(c) Bundle of HIS

(d) Purkinje fibres

Question-4

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below

(a) Complex QRS - One complete pulse

(b) Peak P - Initiation of left atrial contraction only

(c) Peak T-Initiation of total cardiac contraction

(d) Peak P and Peak R together - systolic and diastolic blood pressures.

Question-5

Serum differs from blood in

(a) Lacking clotting factors

(b) Lacking albumins

(c) Lacking antibodies

(d) Lacking globulins