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Subjects
Science State Board
Class 8
Crop Production and Management
Crop rotation and preservation of seeds
14.
Biofertiliser, bio-repellent and biopesticide
Exercise condition:
5
m.
Choose the correct answer
:
1
.
Bacteria that controls lepidoptera
-
none of the above
black kneel capsid
trichodermaviride
bacillus thuringiensis
2
.
Extracted from neem seeds
-
azadiractin
panchagavya
improves soil fertility
pests from grain storage
3
.
Symbiotic bacteria that fix atmospheric nitrogen
-
*i*azospirullum*i*
*i*klebsiella*i*
none of the above
*i*frankia*i*
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