To protect nitrogenase from oxygen, which of the following in nodule will act as scavenger

(1) Leg-haemoglobin

(2) Anaerobic mode of life

(3) Both 1. and 2.

(4) Myoglobin

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 56%
From NCERT
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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 |
 88%
From NCERT
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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 |
 70%
From NCERT
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Which of the following process is not used by plants to synthesize amino acids from ammonia?

1. Reductive amination

2. Transamination

3. Oxidative amination

4. All of the above

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 78%
From NCERT
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Reductive animation 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 |
 72%
From NCERT
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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 |
 91%
From NCERT
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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 |
 66%
From NCERT
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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 keto group of keto acid to the keto group of keto acid.

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 81%
From NCERT
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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 |
 74%
From NCERT
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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%
From NCERT
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