Question

What does biocontrol refer to?

(a) Use of biological methods for controlling plant diseases

(b) Use of chemical methods for controlling plant diseases

(c) Use of morphological methods by the plants to control the attack of pathogens

(d) Use of physical methods by the plants to control the attack of pathogens

This question was addressed to me during an interview for a job.

My question is based upon Microbes as Biocontrol Agents in division Microbes in Human Welfare of Biology – Class 12

Answer 1

The correct choice is (a) Use of biological methods for controlling plant diseases

For explanation I would say: Biocontrol refers to the use of biological methods for controlling plant diseases and pests. Fertilisers of biological origin are of two types-manures and bio-fertilizers.