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Agriculture
MEDIUM
ENGLISH
Agriculture
One of the major difficulties in the biological control of insect pests is that:
A
The predator develops a preference to other diets and may itself become a pest
Option A
B
They do not always survive when transferred to a new environment
Option B
C
The method is less effective as compared to the use of insecticides
Option C
D
The practical difficulty in introducing the predator to specific area
Option D
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