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UPSC CSE Pre 2013
Question #17
Environmental Pollution
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Consider the following organisms:
1. Agaricus
2. Nostoc
3. Spirogyra
Which of the above is/are used as biofertilizer/ biofertilizers?
A
1 and 2
B
2 only
C
2 and 3
D
3 only
Pick an option above to test your answer
Reveal Answer ⌄
Subject:
Environment
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Q: Consider the following organisms: 1. Agaricus 2. Nostoc 3. Spirogyra Which of the above is/are used as biofertilizer/ bi... | UPSC CSE Pre 2013 PYQ | UPSCGPT