Question

Assertion: Intercropping checks the population of insects.

Reason: Plant pests can be controlled biologically by their natural parasites called pathogens.

Read the assertion and reason statements carefully and answer the question on the basis of the following options.

• A. The assertion is true and the reason is also true; Reason is a correct explanation for Assertion.
• B. The assertion is true and the reason is also true; Reason is NOT a correct explanation for Assertion.
• C. The assertion is true but the reason is false.
• D. The assertion is false but the reason is true.

Answer 1

The correct option is B

The assertion is true and the reason is also true; Reason is NOT a correct explanation for Assertion.

The correct option is B.

Assertion statement:

1. Intercropping is the practice of growing two or more crops on the same field at the same time.
2. Because of its excellent impacts on soil fertility and the nutrient cycle, this method has regained popularity around the world.
3. Intercropping helps to keep pest populations in check.
4. Intercropping is when a pest-prone crop is cultivated alongside pest-repellent crops.

So, the assertion is correct.

Reason statement:

1. The employment of living creatures to manage pests is known as biological control.
2. In the pest's environment, a natural opponent like a parasite, predator, or pathogen organism is introduced.
3. Plant pests are biologically controlled by parasites and pathogens that live on them.
4. Like, Baculovirus heliothis, can kill cotton bollworms, Bacillus thuringiensis can kill cabbage hoopers, and Entomophthora ignobilis can kill green peach aphids of potato.

So, the reason stated is also correct.

Final Answer: (B) The assertion is true, and the reason is also true; Reason is NOT a correct explanation for Assertion.