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 : 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

The correct answers to the above question in:

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.

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Read more biology gk Based General Science Questions and Answers

Question : 1

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 : 2

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 : 3

Cancer of blood is called

a) Sarcoma

b) Lymphoma

c) Leukemia

d) Hybridoma

Answer: (c)

Question : 4

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 : 5

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)

Question : 6

Which one of the following sets is correctly matched?

a) Colour blindness, Haemophilia and Sickle cell anaemia - Hereditary

b) Diphtheria, Pneumonia and Leprosy - Sex-linked

c) AIDS, Syphilis and Gonorrhoea - Bacterial

d) Polio, Japanese B encephalitis and Plague – Viral

Answer: (a)

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