Nitrogen Cycle

Question 1

It constitutes about 78% of the air in the atmosphere.

Answer 1

Nitrogen

Question 2

Nitrogen in the atmosphere is converted to nitrates in two ways

Answer 2

Action of lightning and Action Microorganisms

Question 3

What are the microorganisms that convert nitrogen?

Answer 3

Bacteria, algae, and fungi

Question 4

Nitrogen fixing bacteria directly convert into nitrates through the process called?

Answer 4

Nitrogen fixation

Question 5

It lives in the roots of legumes like beans, peas, and peanuts.

Answer 5

Rhizobium

Question 6

The association between Rhizobium and legumes forms swollen areas within the roots called?

Answer 6

Nodules.

Question 7

Nitrogen can convert into

Answer 7

Nitrates

Question 8

NH3 stand for?

Answer 8

Ammonia

Question 9

NH4 stands for?

Answer 9

Ammonium

Question 10

Decomposers break down the proteins in the bodies of plants, animals, and their wastes this process is called?

Answer 10

Ammonia

Question 11

This process of converting ammonia to nitrates is called?

Answer 11

Nitrification

Question 12

The nitrates produced by the nitrogen-fixing bacteria are converted to nitrites by another group of bacteria called?

Answer 12

Nitrite bacteria

Question 13

Nitrites are converted to nitrogen by the denitrifying bacteria in a process called?

Answer 13

Denitrification

Question 14

NO3 stands for?

Answer 14

Nitrate

Question 15

N2 stands for?

Answer 15

Nitrogen