Strategies For Enhancement In Food Production Question 483

Question: Which one is a non-symbiotic nitrogen fixer [Pb. PMT 1998]

Options:

A) Rhizobium

B) Oscillatoria

C) Nostoc

D) Lactobacillus

Show Answer

Answer:

Correct Answer: A

Solution:

Nostoc is a free living nitrogen-fixing blue green algae probably with the help of heterocysts.

Photosynthesis provides the energy for nitrogen fixation.

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