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Subjects
Science State Board
Class 8
Crop Production and Management
Crop rotation and preservation of seeds
13.
Biopredators and biopesticide
Exercise condition:
5
m.
Choose the correct answer
:
1
.
Menochilus
species kills cotton bollworms and are classified as
biopredators
biopesticide
biofertiliser
biorepellent
2
.
Insect parasitic nematodes controls pests that affect the crops, it is an example of a
all of the above
bioindicator
biopesticide
biofertiliser
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