NCERT NEET Zoology Human Health Diesease,lymphocytes,proteins,dna

Human Health and Disease Mock Test-5

Question No:1
Skin and mucus is which type of barrier under innate immunity?

(A) (a) Physiological
(B) (b) Morphological
(C) (c) Physical
(D) (d) Cellular

Question No:2
Saliva in mouth and tears from eye protect from microbial infection. This type of barrier is known as

(A) (a) Cellular
(B) (b) Physical
(C) (c) Physiological
(D) (d) Cytokine

Question No:3
Which of the following is not a cellular barrier of innate immunity?

(A) (a) PMNL-Neutrophils
(B) (b) Monocytes
(C) (c) Lymphocytes
(D) (d) Thrombocytes

Question No:4
Virus infected cells secrete a protein called _____ to protect other non-infected cells

(A) (a) cytokine
(B) (b) immunoglobulin
(C) (c) interferon
(D) (d) clotting factors

Question No:5
Acquired immunity is

(A) (a) Pathogen specific
(B) (b) Pathogen non specific
(C) (c) Congenital
(D) (d) Non effective

Question No:6
Acquired immunity has one of the following features

(A) (a) Non specific
(B) (b) Memory
(C) (c) Anti-cancer
(D) (d) Congenital

Question No:7
When a pathogen comes in contact with body for the first time, it causes a _____ response of low intensity

(A) (a) anamnestic
(B) (b) anaphylactic
(C) (c) primary
(D) (d) secondary

Question No:8


Question No:9


Question No:10


Question No:11
If a pathogen gains access to the body the second time then a highly intensified response called _____ may occur

(A) (a) analgesia
(B) (b) anamnestic
(C) (c) anthropologic
(D) (d) arthus reaction

Question No:12
The army of proteins produced by B-lymphocytes is called

(A) (a) Antigen
(B) (b) Interferons
(C) (c) Cytokines
(D) (d) Antibodies

Question No:13
The two types of lymphocytes responsible for immune response are

(A) (a) A-type
(B) (b) B-type
(C) (c) T-type
(D) (d) Both (b) and (c)

Question No:14
The immunity conferred by B-lymphocytes is also known as

(A) (a) Immediate
(B) (b) Histological
(C) (c) Humoral
(D) (d) Cell-mediate

Question No:15
Which lymphocytes help B-cells to secrete antibodies?

(A) (a) Nature killer
(B) (b) Macrophage
(C) (c) T-cells
(D) (d) Monocytes

Question No:16
An antibody has _____ heavy chains and _____ light chains respectively,

(A) (a) 2,4
(B) (b) 4, 2
(C) (c) 2,2
(D) (d) 1,2

Question No:17
An antibody is represented as

(A) (a) H1, L2
(B) (b) H2 L2
(C) (c) H 4 L 1
(D) (d) H 4 L 4

Question No:18
Select the correct option

(A) (a) Ig A, Ig G,Ig E, Ig D, Ig I
(B) (b) Ig G. Ig A. Ig G. Ig H. Ig J
(C) (c) Ig A, Ig G, Ig E, Ig D, Ig M
(D) (d) Ig M, Ig A, Ig E, Ig I, Ig G