NTA Abhyas NEET2020BotanyMineral NutritionPractice
If all nitrogenase enzymes are inactivated, then there will be no
Options
- AFixation of nitrogen in legumes
- BFixation of atmospheric nitrogen
- CConversion from nitrate to nitrite in legumes
- DConversion from ammonium to nitrite in soil
Correct answer
A. Fixation of nitrogen in legumes
Step-by-step solution
Nitrogenase is an enzyme involved in biological nitrogen fixation. If this enzyme is inactivated then the nitrogen fixation will not be observed and this is very specific for legumes. Enzyme nitrate reductase is involved in conversion of nitrate to nitrate. Conversion of ammonia to nitrate is carried out by Nitrosomonas and Nitrobacter .