Question Detail

On an average how many litres of blood a human body have ?

2-3 litre
5-6 litre
8-10 litre
12-14 litre

Answer: Option B

1. Mango contains which vitamins ?

A and C
B and C
A and B
B and E

Answer: Option A

2. The deficiency of which of the following leads to dental caries ?

Iron
Fluorine
Copper
Zinc

Answer: Option B

3. Milk is poor source of

Calcium
Iron
Copper
Sodium

Answer: Option B

4. Study of factors connected with the improvement of human race ?

Evolution
Embryology
Euthenics
Eugenics

Answer: Option D

Explanation:

Evolution - Study of origin of life and formation of new species.

Embryology - Study of fertilization of egg, formation of zygote and development of embryo.

Euthenics - Study of environmental conditions contributing to improvement of human beings.

5. White blood corpuscles are used by our body ?

to carry oxygen
to dissolve protiens
to combat infection
to help liver work

Answer: Option C