Question

One of the major difficulties in the biological control of insect pest is that

• A. the method is less effective as compared with the use of insecticides
• B. the practical difficulty of introducing the predator to specific areas
• C. the predator develops a preference to other diets and may itself become a pest
• D. the predator does not always survive when transferred to a new environment

Answer 1

The Correct Option is D

The correct option is (D): the predator does not always survive when transferred to a new environment