OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How do humans get nitrogen?
A
eating plants and animals
B
breathing it in
C
absorbing it through our skin
D
none of these are correct
Explanation: 

Detailed explanation-1: -The most common form of nitrogen in your body is proteins containing mainly carbon, hydrogen, oxygen and nitrogen. While neither humans nor animals can get nitrogen into their bodies from the air or soil, they do gain nitrogen from vegetation or other animals which eat vegetation.

Detailed explanation-2: -Humans take up nitrogen from organic matter such as plants and animals.

Detailed explanation-3: -Nitrogen is found in soils and plants, in the water we drink, and in the air we breathe. It is also essential to life: a key building block of DNA, which determines our genetics, is essential to plant growth, and therefore necessary for the food we grow.

There is 1 question to complete.