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

(a) Kidney

(b) Heart

(c) Lungs

(d) Liver

The correct answers to the above question in:

Answer: (d)

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Question : 1

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

Answer: (c)

Question : 2

Cancer of blood is called

a) Sarcoma

b) Lymphoma

c) Leukemia

d) Hybridoma

Answer: (c)

Question : 3

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

a) Brain

b) Eyes

c) Heart

d) Lung

Answer: (a)

Question : 4

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 : 5

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.

Question : 6

Sleeping sickness happens due to

a) Rising of blood pressure

b) Deficiency of Vitamin A

c) Deficiency of calcium in body

d) Unicellular animal named Trypanosoma

Answer: (d)

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