Biology, asked by sandeepbandi200, 5 hours ago

Assertion: Rhizobium can fix atmospheric nitrogen in the soil. • Reason : 78% of nitrogen is present in the atmosphere​

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Answered by sreeyanmohan22
0

Answer:

Explanation: assertion is correct but the reason is correct but the reason is not the correct explaination of assertion.  Not only 78 percent of nitrogen is present in atmosphere , they have specialised cell called Heterocystswhich help in nitrogen fixation.

Answered by naina0202
0
Option B

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