Botany-Biocontrol Agents
NEET Botany Biocontrol Agents MCQ Question
Type: MCQ-numerical-Medium-Class 12
An organic farm has a pest population of 500 insects. If the introduction of biocontrol agents reduces the pest population by 30% without using pesticides, how many pests remain?
A
150
B
350
C
500
D
300
Correct Answer
Option B
Detailed Explanation
The biocontrol agents reduce the pest population by 30%. Therefore, 70% of the original population remains: 0.7 * 500 = 350.
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