Q: Consider the following organisms:
- Agaricus
- Nostoc
- 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
Correct Answer: Option (b)
- Agaricus is a genus of mushrooms containing both edible and poisonous species, with possibly over 300 members worldwide.
- Bioinoculants are the microbial preparations that enhance the uptake of nutrients by plants from the soil, increase the availability of the nutrients and stimulate plant growth.
- Spirogyra is a genus of filamentous green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is diagnostic of the genus.
- Hence, option (b) is correct.
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