Question Detail

Plants absorb dissolved nitrates from soil and convert them into :

Free nitrogen
Urea
Proteins
Ammonia

Answer: Option A

1. What provides instant energy ?

Fat
Carbohydrates
Protein
Vitamin

Answer: Option B

2. The disease caused by deficiency of protein in children is called

Pellagra
Marasmus
Beri-Beri
Rickets

Answer: Option B

3. Liver is largest gland of Human body ?

True
False

Answer: Option A

Explanation:

Its weight is approx 1.5 - 2 kg

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. Milk fever in cow is caused due to the deficiency of ?

Sodium
Calcium
Phosphorus
Nitrogen

Answer: Option B