LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

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: -Plants take up nitrogen compounds through their roots. Animals obtain these compounds when they eat the plants. When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter re-enter the soil where they are broken down by microorganisms, known as decomposers.

Detailed explanation-2: -How we intake nitrogen in our body? As, we know nitrogen makes up a large part of the Earth’s atmosphere. Human can’t utilise nitrogen through respiration, but can absorb through the consumption of plants or animals that have consumed nitrogen rich vegetation.

Detailed explanation-3: -Animals can absorb the nitrogen required for their existence by consuming plants and other animals.

Detailed explanation-4: -The human body gets nitrogen by consuming plant and animal products. 3% of the human body mass contains nitrogen.

There is 1 question to complete.