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Immunity and disease
5 Class 12 Biology questions with answers and explanations.
Printable worksheet with answer key
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Antibodies are made by:
- 1 Platelets
- 2 Neurons
- 3 Red blood cells
- 4 B lymphocytes
Show answer
Correct answer: B lymphocytes
B cells produce antibodies after meeting an antigen.
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Vaccination gives:
- 1 Temporary relief only
- 2 Active immunity
- 3 No immunity
- 4 Passive immunity only
Show answer
Correct answer: Active immunity
The body makes its own antibodies and memory cells.
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Mosquitoes spread:
- 1 Tuberculosis
- 2 Malaria
- 3 Cholera
- 4 Measles
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AIDS is caused by:
- 1 A protozoan
- 2 A fungus
- 3 HIV
- 4 A bacterium
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Tuberculosis is caused by:
- 1 A virus
- 2 A protozoan
- 3 A bacterium
- 4 A fungus