NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Botany
- Chapter
- Mineral Nutrition
NTA Abhyas 2020 · Botany · Mineral Nutrition
Leg-haemoglobin is found in the nodules in roots of leguminous...
Leg-haemoglobin is found in the nodules in roots of leguminous plants. It acts as.......... scavenger and provides............ conditions for the action of nitrogenase enzyme.
Options
- AOxygen, Aerobic
- BOxygen, Anaerobic
- C, Aerobic
- D , Anaerobic.
Correct answer
B. Oxygen, Anaerobic
Step-by-step solution
Enzyme nitrogenase: It is a Mo–Fe protein. It requires anaerobic conditions to work. It is highly sensitive to molecular oxygen. It catalyzes the conversion of atmospheric nitrogen to ammonia. Ammonia is the first stable product of nitrogen fixation. N_{2&}+ 8e^{-&}+ 8H^{+&}+ 16ATP → 2NH_{3&}+ H_{2&}+ 16ADP + 16Pi