Sample Questions — Microbes as biofertilizers
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MCQ
An ideal biocontrol agent:
✅ Correct Answer: B
Ensures the biocontrol agent keeps pest numbers in check.
MCQ
Q1. Why is total eradication of pests not the aim of biocontrol methods?
✅ Correct Answer: B
Biocontrol maintains pest populations at manageable levels rather than eradicating them.
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MCQ
Q3. Bacillus thuringiensis (Bt) is useful in pest control because:
✅ Correct Answer: A
The Bt toxin kills butterfly caterpillars by binding to gut receptors.
MCQ
Q7. Baculoviruses are preferred over chemical pesticides in forests because:
✅ Correct Answer: D
Baculoviruses affect only specific insect hosts, sparing beneficial fauna.
MCQ
Baculoviruses are specific to:
✅ Correct Answer: D
They have narrow host range and target insect pests specifically.
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