vitamins, nutrition, health, disease and treatment - Category wise Question and Answer Practice Test with Solutions

Question : 16

Damage to thymus in a child may lead to:

a) a reduction in stem cell production

b) loss of antibody mediated immunity

c) a reduction in haemoglobin content of blood

d) loss of cell mediated immunity

Answer: (d)

Thymus gland is a type of endocrine gland that secretes peptide harmone called thymosine. Thymosine plays a major role in differentiation of T-lymphocytes which provide cellmediated immunity.

Question : 17 [MPPCS (Pre) 2017]

Which of the following disease is caused by protozoa?

a) Pneumonia

b) Cholera

c) Diphtheria

d) Malaria

Answer: (d)

Question : 18

Photosynthesis is an important mode of autotrophic nutrition. The event which does not occur in photosynthesis is

a) Oxidation of carbon to carbondioxide

b) Conversion of light energy to chemical energy

c) Reduction of carbon dioxide to carbohydrate

d) Absorption of light energy by chlorophyll

Answer: (a)

Question : 19 [PCS (Pre) 2005]

HIV does not spread AIDS through

a) Mosquito bites

b) HIV infected blood

c) Unsterilised needles

d) Unprotected sex

Answer: (a)

Question : 20 [IAS Prelim]

“Athlete’s Foot” is a disease’ caused by

a) Protozoan

b) Bacteria

c) Fungus

d) Nematode

Answer: (c)

IMPORTANT general science mcq EXERCISES

section 15 Online Quiz

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