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 |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Nitrite is oxidized to Nitrate by the bacterium

(1) Nitrococcus

(2) Nitrosomonas

(3) Nitrobacter

(4) Thiobacillus

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The nitrifying bacteria are

(1) Photoautotroph

(2) Chemoautotroph

(3) Nitrotroph

(4) Organotroph

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Denitrification occurs in

(1) Leaves

(2) Roots

(3) Soil

(4) Environment

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 65%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Plants absorb which form of Nitrogen?

(1) Ammonia

(2) Nitrate

(3) Nitrite

(4) Nitrogen

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The reduction of absorbed nitrate occurs

(1) In leaves

(2) In roots

(3) In soil

(4) In air

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 69%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Denitrification is

(1) Reduction of nitrate to nitrite

(2) Reduction of nitrate to nitrogen

(3) Reduction of nitrous to nitrite

(4) Reduction of nitrogen to ammonia

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Denitrification is carried by

(1) Pesudomonas

(2) Thiobacillus

(3) Nitrobacter

(4) Both A and B

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Reduction of nitrogen to ammonia by living organisms is called as

(1) Electrical Nitrogen Fixation

(2) Biological Nitrogen Fixation

(3) Industrial Nitrogen Fixation

(4) Both B and C

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch