Question Detail

Plants absorb dissolved nitrates from soil and convert them into :

Free nitrogen
Urea
Proteins
Ammonia

Answer: Option A

Similar Questions :

1. Who invented Vitamin ?

F.G. Hopkins
Mc. Collum
Holst
Ronald Ross

Answer: Option A

Explanation:

Mc. Collum invented Vitamin A, Vitamin B and Vitamin D

Holst invented Vitamin C

Ronald Ross invented Malaria parasite and treatment.

2. Beri-Beri is caused by the lack of vitamin ?

Vitamin B2
Vitamin A
Vitamin C
Vitamin B1

Answer: Option D

3. 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

4. Breeding and management of bees is known as :

Sericulture
Apiculture
Silviculture
Pisciculture

Answer: Option B

5. Which is not a part of blood ?

RBC
WBC
Plasma
Placenta

Answer: Option D

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