Q697
How is the nitrogen taken up by the plants? 1. In the form of inorganic nitrates of nitrites. 2. In the form of organic compounds. 3. Directly taken up from the atmosphere.
A.
Only 1 and 2
AnswerB.
Only 1 and 3
C.
Only 2 and 3
D.
All 1, 2 and 3
Answer: Option A
Solution
Answer: Option A
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