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Subjects
Science State Board
Class 8
Crop Production and Management
Agricultural practices in crop production
13.
Different weeding techniques followed
Exercise condition:
5
m.
Choose the correct answer:
1
.
Insects, pathogens are used to control weeds
-
summer tillage
mechanical weeding
tillage
biological weed control
2
.
Chemicals that inhibit growth of weeds
-
integrated weed management
summer tillage
biological weed control
weedicides
3
.
How does weedicides affect human health?
-
causes unfavourable health hazard
residues stays in leaves, seeds, fruits
affects farmers while spraying
all of the above
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