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 |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following enzyme is exclusively in prokaryotes?

(1) Nitrogenase

(2) Pyruvate kinase

(3) Glucokinase

(4) Enolase

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Nitrogenase converts

(1) Nitrate to Nitrite

(2) Nitrogen to Ammonia

(3) Nitrogen to Nitrite

(4) Nitrogen to Nitrate

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following are not free living Nitrogen fixers?

(1) Anabaena

(2) Nostoc

(3) Azotobacter

(4) Rhizobium

Subtopic:  Nitrogen Fixation |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following is symbiotic nitrogen fixer?

(1) Rhodospirillum

(2) Azotobacter

(3) Beijernickia

(4) Rhizobium

Subtopic:  Nitrogen Fixation |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following is free living nitrogen fixing cyanobacteria?

(1) Anabaena

(2) Azotobacter

(3) Beijernickia

(4) Rhodospirillum

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Rhizobium

(1) Rod shaped

(2) Legume-bacteria relationship

(3) Has relationship with roots of several legumes such as alfalfa, sweet clover sweet pea, Lentils, garden Pea, broad bean and clover beans

(4) All of these

Subtopic:  Nitrogen Fixation |
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NEET 2022 - Target Batch - Aryan Raj Singh
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The most common association on roots is as

(1) Lichens

(2) Nodules

(3) Beads

(4) Pneumathodes

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
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NEET 2022 - Target Batch - Aryan Raj Singh
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Rhizobium and Frankia

(1) Free living in soil

(2) Act as symbiont and fix nitrogen

(3) One is found on the roots of non-leguminous plants

(4) All of these

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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The central portion of nodule is pink in color due to

(1) Leg- haemoglobin

(2) Haemoglobin

(3) RBC

(4) Myoglobin

Subtopic:  Nitrogen Fixation | Nitrogen Metabolism: 1 | Nitrogen metabolism |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: