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 |
 84%
From NCERT
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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 |
 53%
From NCERT
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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 |
 77%
From NCERT
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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 |
 70%
From NCERT
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The nitrifying bacteria are

(1) Photoautotroph

(2) Chemoautotroph

(3) Nitrotroph

(4) Organotroph

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 96%
From NCERT
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Denitrification occurs in

(1) Leaves

(2) Roots

(3) Soil

(4) Environment

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 63%
From NCERT
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Plants absorb which form of Nitrogen?

(1) Ammonia

(2) Nitrate

(3) Nitrite

(4) Nitrogen

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 79%
From NCERT
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The reduction of absorbed nitrate occurs

(1) In leaves

(2) In roots

(3) In soil

(4) In air

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 55%
From NCERT
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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 |
 91%
From NCERT
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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 |
 77%
From NCERT
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