NEET 2003 Biology question

Not in NEET syllabus

Which one of the following mineral elements plays an important role in biological nitrogen fixation : -

(1)Copper
(2)Manganese
(3)Zinc
(4)MolybdenumCorrect

Answer: (4)

Solution

Molybdenum is a component of the enzyme nitrogenase (a Mo-Fe protein) that reduces atmospheric to ammonia in biological nitrogen fixation, and also of nitrate reductase - option (4).

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Question ID VK-089295