Biology Class 11 Chapter 13 - Immunity - 9
1.
The antigen injected to acquire artificial active immunity is known as?
antibody
vaccine
viruse
bacteria
2.
Artificial active immunity is also known as?
conservation
vaccination
hypertension
cloning
3.
Antibodies cross the placenta and go from mother to the child in
her womb. This is?
natural active immunity
artificial passive immunity
natural passive immunity
artificial active immunity
4.
Antibodies formed in one individual, extracted and then injected
to another individual is called as?
artificial passive immunity
natural passive immunity
natural active immunity
artificial active immunity
5.
Specific antibodies are given against tetanus and diphtheria. This is?
artificial passive immunity
natural passive immunity
natural active immunity
artificial active immunity
6.
Cytotoxic T cells are also known as?
passive killer cells
artificial killer cells
active killer cells
natural killer cells
7.
The chemical substances that are secreted by the helper T cells
are collectively known as?
lymphokines
antigens
cytokines
interferons
8.
The important players in the antibody mediated immunity are?
D lymphocytes
T lymphocytes
A lymphocytes
B lymphocytes
9.
The B lymphocytes were first discovered in?
fishes
birds
reptiles
mammals
10.
TIL stands for?
tumour intelligent lymphocytes
tumour infiltrating lymphocytes
tumour immune lymphocytes
tumour interferon lymphocytes
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