Science 8

1. Greatest number of Sweat glands are present in which part of the human body?

A. Forehead

B. Forearm

C. Palm of the hand

D. Back

Ans: C

2. Vaccination was started by.......

A. Jonas E. Salk

B. Paul Muller

C. Edward Jenner

D. Robert Frost

Ans: C

3. Proteins are made up of .......

A. Sugars

B. Amino acids

C. Fatty acids

D. Nucleic acids

Ans: B

4. Mention the source of Liver, milk, egg yolk, fish liver oil?

A. Vitamin A

B. Vitamin B2

C. Vitamin D

D. Vitamin C

Ans: C

5. Which of the following name of scientist and their field of work is correctly matched?

A. DNA/Double helix: F. Crick J. Watson, M. Wilkins

B. Modern classification of plants and animals based on a system: Harvey

C. Bacteria: Linnaeus

D. Blood travels in a continuous circuit: Leuwenhock

Ans: A

6. Heart is made up of

A. Non-striated muscle

B. Cardiac muscle

C. Adipose tissue

D. Striated muscle

Ans: B

7. Hargobind Khorana had researched on .....

A. Synthesis of simple DNA

B. Understanding the genetic code

C. Reduction of mutation

D. Synthesis of RNA from bacterial cell

Ans: B

8. Name the corona virus that kills human?

A. AIDS

B. FAIDS

C. SARS

D. HIV

Ans: C

9. In which part of the body digestion of protein starts?

A. Mouth

B. Stomach

C. Duodenum

D. Intestine

Ans: B

10. Name the acid that is secreted in the stomach?

A. HCl

B. H2S04

C. H2C03

D. HNO3

Ans: A

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