Question

Bio-agents such as culture of blue green algae are used in preparation of

• A. Biofertilizers
• B. Chemical fertilizers
• C. Pesticides
• D. Manure

Answer 1

The correct option is A Biofertilizers

Organic farming may be defined as a farming system with no or minimal use of chemicals as fertilizers, herbicides, pesticides etc, and with the maximum use of organic manures, recycled farm waste, use of bio-agents (such as culture of blue green algae) in preparation of biofertilizers, neem leaves or turmeric specifically in grain storage as bio-pesticides, with healthy cropping systems.

Thus, the correct answer is option A.