Question

The micronutrient, molybdenum, is important

• A. in nitrogen fixation
• B. as an enzyme activator
• C. in carbohydrate transport
• D. in chlorophyll synthesis

Answer 1

The correct option is A

in nitrogen fixation

Molybdenum is an essential component in two enzymes that convert nitrate into nitrite (a toxic form of nitrogen) and then into ammonia before it is used to synthesize amino acids within the plant. It also needed by symbiotic nitrogen fixing bacteria in legumes to fix atmospheric nitrogen.