In nature, ……….. and ……….. provide enough energy to convert Nitrogen to nitrogen oxides (NO, NO2, N2O).

(1) Lightning, Forest fires

(2) Industrial combustions, UV radiation

(3) Forest fire, Lightning

(4) Lightning, UV radiation

Subtopic:  Ammonia Assimilation & Nitrogen Export | Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Decomposition of organic nitrogen of dead plants and animals into ammonia is called

(1) Nitrogen Fixation

(2) Ammonification

(3) Nitrification

(4) Denitrification

Subtopic:  Ammonia Assimilation & Nitrogen Export |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the type of fixation leads to fixation of atmospheric nitrogen to ammonia?

(1) Biological nitrogen fixation

(2) Industrial nitrogen fixation

(3) Electrical nitrogen fixation

(4) Both A and B

Subtopic:  Ammonia Assimilation & Nitrogen Export |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Electrical nitrogen fixation leads to

(1) Formation of Nitrate

(2) Formation of Nitrite

(3) Formation of Ammonia

(4) Formation of Nitrogen

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Ammonia is first oxidized to nitrite by the bacteria except

(1) Nitrosomonas

(2) Nitrococcus

(3) Nitrobacter

(4) All of these

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Nitrite is oxidized to Nitrate by the bacterium

(1) Nitrococcus

(2) Nitrosomonas

(3) Nitrobacter

(4) Thiobacillus

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Nitrification does not include

(1) Conversion of ammonia to nitrite

(2) Conversion of nitrite to nitrate

(3) Conversion of nitrogen to ammonia

(4) Both B and C

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The nitrifying bacteria are

(1) Photoautotroph

(2) Chemoautotroph

(3) Nitrotroph

(4) Organotroph

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Denitrification occurs in

(1) Leaves

(2) Roots

(3) Soil

(4) Environment

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Plants absorb which form of Nitrogen?

(1) Ammonia

(2) Nitrate

(3) Nitrite

(4) Nitrogen

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: