Mineral Nutrition In Plants Question 135
Question: Which one of the following elements plays an important role in biological nitrogen fixation [BHU 1985; CBSE PMT 1995; AIEEE 2004]
Options:
A) Molybdenum
B) Manganese
C) Copper
D) Zinc
Show Answer
Answer:
Correct Answer: A
Solution:
Molybdenum is required for nitrogen fixation.
Nitrate metabolism depends upon enzyme nitrate reductase.
It is an activator of nitrate reductase.
Therefore, the element is important for nitrogen fixation.
BETA
