Question

One of the major difficulties in the biological control of insect pests is that [CBSE PMT 1995]
A) The predator develops a preference to other diets and may itself become a pest
B) The predator does not always survive when transferred to a new environment
C) The method is less effective as compared with the use of insecticides
D) The practical difficulty of introducing the predator to specific areas

Answer 1

One of the major difficulties in the biological control of insect pests is that
➡️ The predator develops a preference to other diets and may itself become a pest

Answer 2

The correct option for the above given question is option A

One of the major difficulties in the biological control of insect pests is that the Predator develops preference to other diets and may itself become a pest.

Biological control is a method in which some organisms are chosen which attack the others are feed on other organisms and control their population.

In all cases with me now its successful as the Predator organisations which are selected may change their diet or they themselves can become prey for other organisms