An element playing important role in nitrogen fixation is |
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a) |
Molybdenum |
b) |
Copper |
c) |
Manganese |
d) |
Zinc |
An element playing important role in nitrogen fixation is |
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a) |
Molybdenum |
b) |
Copper |
c) |
Manganese |
d) |
Zinc |
(a) Molybdenum is absorbed as molybdate by plants. It is involved in nitrogen metabolism including nitrogen fixation. It is a component of enzyme nitrogenase and acts as enzyme activator. Its deficiency causes chlorosis and necrosis, whiptail of cauliflower and premature leaf fall. |