section 15 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

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The following question based on vitamins, nutrition, health, disease and treatment topic of general science mcq

Questions : Fat present below the skin surface in our body, acts as a barrier against

(a) Loss of salts from the body

(b) Loss of essential body fluids

(c) Loss of heat from the body

(d) Entry of harmful micro-organisms from the environment

The correct answers to the above question in:

Answer: (c)

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Read more biology gk Based General Science Questions and Answers

Question : 1

Cancer of blood is called

a) Sarcoma

b) Lymphoma

c) Leukemia

d) Hybridoma

Answer: (c)

Question : 2

Which one of the following human organs is less susceptible to harmful radiations?

a) Brain

b) Eyes

c) Heart

d) Lung

Answer: (a)

Question : 3

Which disease among these is generated by the execution of ineffective genes present in a chromosome?

a) Muscle dystrophy

b) Rheumatism

c) Nervous shock

d) Cerebral bleeding

Answer: (a)

Question : 4

Which of the following human organ is affected by the consumption of aflatoxin food adulterant?

a) Kidney

b) Heart

c) Lungs

d) Liver

Answer: (d)

Question : 5

Cornea transplant in humans is almost never rejected. This is because :

a) Its cells are least penetrable by bacteria

b) It has no blood sypply

c) It is a non-living layer

d) It is composed of enucleated cells

Answer: (b)

The cornea does not have a blood supply, therefore the antigens of our blood cannot recognize self from non-self and therefore no antibodies are generated against the foreign cornea.

Thus, no rejection reaction takes place.

Question : 6

Which one of the following is an Indian medicinal plant ?

a) Oryza sativa

b) Rauwolfia serpentina

c) Saccharum officinarum

d) Solanum melongena

Answer: (b)

Rauwolfia serpentina belong to family Apocynaceae, its roots yield a chemical useful for high blood pressure.

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