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%
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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For the transportation of Nitrogen to other part which of the following is preferably used?

(1) Lysine

(2) Glutamate

(3) Aspartate

(4) Glutamine

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen Metabolism:2 | Nitrogen metabolism | Nitrogen Metabolism |
 51%
From NCERT
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Denitrification is carried out by

1. Pseudomonas and Thiobacillus

2. Nitrosomonas and Anabaena 

3. Nitrobacter and Nostoc

4. Ferrobacillus and Thiobacillus

Subtopic:  Nitrogen Metabolism:2 |
 93%
From NCERT
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Find the incorrect statement with respect to mineral absorption 

1. Uptake of K+ ions into outer or free space of cells is passive

2. In the metabolic phase Ca2+ ions pass into inner space, i.e, cytoplasm and vacuole

3. Absorption of ions into inner space is passive 

4. Maximum mineral absorption occurs through zone of cell elongation 

Subtopic:  Mechanism of Absorption of Elements |
 52%
From NCERT
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Mark the correct one (with respect to anaerobic free-living diazotroph)

1. Azotobacter

2. Clostridium

3. Rhizobium

4. Frankia

Subtopic:  Nitrogen Fixation |
 51%
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%
From NCERT
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Which of the following does not happen during nodule formation?

(1) Rhizobium bacteria contact a susceptible root hair, divide near it

(2) Successful infection of root hair causes it to curl

(3) Infected thread carries the bacteria to the inner cortex

(4) The bacteria get modified into rod shaped bacteroides and cause inner cortical and endodermal cells to divide

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
 72%
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 |
 69%
From NCERT
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The nitrifying bacteria are

(1) Photoautotroph

(2) Chemoautotroph

(3) Nitrotroph

(4) Organotroph

Subtopic:  Nitrogen Metabolism: 1 | Nitrogen metabolism |
 95%
From NCERT
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