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Subjects
Science State Board
Class 8
Crop Production and Management
Crop rotation and preservation of seeds
7.
Biological control, foliar feeding and bioindicator
Exercise condition:
5
m.
Choose the correct answer
:
1
.
Naturally occurring insects that kill by feeding or use pests for its multiplication
biological control
bioindicator
bio-predators
agricultural research institutions
2
.
Liquid extract that is obtained from vermicomposting beds
foliar feeding
effective microorganisms
vermiwash
stomata
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