- 1(current)
Q. No.With regard to the Biological Nitrogen Fixation by Rhizobium in association with soyabean, which one of the following statement/statements does not hold true?
1. Nitrogenase may require oxygen for its functioning .
2. Nitrogenase is MO-Fe protein.
3. Leg-hemoglobin is a pink coloured pigment.
4. Nitrogenase helps to convert gas into two molecules of ammonia.
Subtopic: Â Nitrogen Fixation |Â Nodule formation |
 84%
Level 1: 80%+
Hints
Identify a free living anaerobic nitrogen fixing microbe:
| 1. Azotobacter | 2. Beijernickia |
| 3. Nostoc | 4. Rhodospirillum |
Subtopic: Â Nitrogen Fixation |
 76%
Level 2: 60%+
Hints
Name the amino acid from which 17 other amino acids are formed by transamination in plants?
| 1. Glycine | 2. Lysine |
| 3. Tryptophan | 4. Glutamic acid |
Subtopic: Â Nitrogen Fixation |
 79%
Level 2: 60%+
Hints
Frankia fixes atmospheric nitrogen:
| 1. | in the roots of non-leguminous plants like Alnus but unlike Rhizobium does not form any root nodules |
| 2. | in the roots of leguminous plants like Soybean but unlike Rhizobium does not form any root nodules |
| 3. | in the roots of non-leguminous plants like Alnus and like Rhizobium forms root nodules |
| 4. | in the roots of leguminous plants like Soybean and like Rhizobium forms root nodules |
Subtopic: Â Nitrogen Fixation |
 66%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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