The nitrogen fixing bacteria are

(1) Always free living

(2) Generally free living aerobes but During nitrogen fixing event it becomes anaerobic

(3) Always anaerobic

(4) Generally anaerobic but under nitrogen fixing event, it becomes aerobic

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 90%
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The energy required, for the process of nitrogen metabolism comes from

(1) Respiration of the host cells

(2) Oxidation of the host cells

(3) Respiration of the bacterial cells

(4) Oxidation of the bacterial cells

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 73%
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Most of the plants can assimilate……a….. and ……b… and…c. is quite toxic to plants and hence cannot accumulate in them.
Find the correct one.
1. a. Ammonia
2. c. Ammonium ions
3. c. Nitrate
4. b. Nitrite

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 54%
From NCERT
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Ammonium is used to synthesise amino acids in plants which of the following is not a way?

(1) Reductive Amination

(2) Transamination

(3) Oxidative amination

(4) All of these

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 81%
From NCERT
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Reductive amination is

(1) Conversion of ammonia to alpha ketoglutarate and forms glutamate

(2) Ammonia reacts with alpha ketoglutarate and forms glutamate

(3) Ammonia reacts with glutamate and forms alpha-ketoglutaric acid

(4) Conversion of ammonia to glutamate

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 70%
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Which of the following is an ezyme of reductive animation?

(1) Glutamate oxidase

(2) Glutamate dehydrogenase

(3) Glutamate carboxylase

(4) Aspartate oxidase

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 94%
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During reductive animation

(1) NADH gets converted to NAD+

(2) NADPH gets converted to NADP

(3) NADP gets converted to NADPH

(4) NAD+ gets converted to NADH

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 67%
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Transamination

(1) Involves the transfer of amino group from one amino acid to the keto group of keto acid.

(2) Involves the transfer of amino group from one amino acid to the amino group of another amino acid

(3) Involves the transfer of keto group from one amino acid to the keto group of keto acid

(4) Involves the transfer of ke to group of keto acid to the keto group of keto acid

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 84%
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Transamination involves an enzyme?

(1) Transaminase

(2) Dehydrogenase

(3) Transaminase reductase

(4) Reductive dehydrogenase

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 71%
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The main amino acid over which Transamination occurs.

(1) Glutamate

(2) Alanine

(3) Glycine

(4) Lysine

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 91%
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