Question

Biological control of agricultural pests, unlike the chemical control, is

• A. toxic
• B. polluting
• C. very expensive
• D. self-perpetuating

Answer 1

The correct option is D

self-perpetuating

The correct option is D.

Explanation of correct option

1. The biological control strategy entails the employment of living organisms that act as pests and hazardous insect predators.
2. The biological control method's key advantage in the management of pest species is that it is self-perpetuating.
3. Because these agents are living entities that may reproduce to expand their number and keep their continuity, there is no necessity to add them again and again.

Explanation of incorrect options

Option A:

1. Biological control of agricultural pests is totally natural and safe.
2. There is nothing toxic in this method as it does not involve the use of any harmful chemicals.

Option B:

1. The employment of live creatures to decrease pest populations and make them less harmful is known as biological control.
2. There is not any polluting agent involved in the process.

Option C:

1. It is affordable and not expensive because the pest control agents are brought from nature.

Final Answer: Biological control of agricultural pests, unlike chemical control, is self-perpetuating.