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Online Tests
Science 7th Class English Medium Chapter 3 Online Test MCQs With Answers
Question # 1
A pigment in the skin that protcts harmful effects of sunlight.
Choose an answer
Haemoglobin
Melanin
Lysozyme
Lymphocyte
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Question # 2
Billins of new blood cells are produced daily in
Choose an answer
Heart
Lever
Spleen
Bone -marrow
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Question # 3
--------- is the inflammation of liver.
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Tuberculosis
Typhoid
COVID-19
Hepatitis
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Question # 4
The type of immunity in which readmade antibodies are transfered to individual.
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Adaptive immunity
Passive immunity
Active immunity
Innate immunity
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Question # 5
The white blood cells are stored by
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Tonsils
Appendix
Spleen
None of these
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Question # 6
-------------- can help certalin bacteria to attach with host cell.
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Flagella
Arm
Pili
DNA
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Question # 7
Antibodies are produced by
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Pathogen
Infection
Lymphocyte
None of these
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Question # 8
When a body tissue is damaged or injured, it causes.
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Inflammation
Infection
Pathogen
Immunity
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Question # 9
Hydrochloric acid is found in.
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Salavia
Pancreatic juice
Bile
Gastric juice
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Question # 10
Bacteria move with the help of.
Choose an answer
DNA
Legs
Arm
Flagella
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Question # 11
Entry and growth of pathogen into our body is called.
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Pathogen
Infection
Immunity
None of these
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