Question # 1

Hydrochloric acid is found in.

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Salavia

Pancreatic juice

Bile

Gastric juice

When a body tissue is damaged or injured, it causes.

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Inflammation

Infection

Pathogen

Immunity

Antibodies are produced by

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Pathogen

Infection

Lymphocyte

None of these

-------------- can help certalin bacteria to attach with host cell.

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Flagella

Arm

Pili

DNA

The white blood cells are stored by

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Tonsils

Appendix

Spleen

None of these

In virus,..... is used to identify the host cell.

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Genome

Coat

Spike

Capsid

Entry and growth of pathogen into our body is called.

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Pathogen

Infection

Immunity

None of these

Microorganism taht cause diseases in humna body are called.

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Infection

Pathogen

Antigen

Phagocytosis

A pigment in the skin that protcts harmful effects of sunlight.

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Haemoglobin

Melanin

Lysozyme

Lymphocyte

Bacteria move with the help of.

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DNA

Legs

Arm

Flagella

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Science 7th Class English Medium Chapter 3 Online Test MCQs With Answers

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