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- 1. Multiple Choice
The process of separation of grain seeds from the chaff is
harvesting
weeding
sowing
threshing
- 2. Multiple Choice
The machine used for cutting and threshing of crops are called
moat
rahat
combine
plough
- 3. Multiple Choice
Which of the following produces manures?
cattle dung
human waste
plant residue
all of these
- 4. Multiple Choice
Weeds are defined as
useful plants present in the field .
undesirable pests present in the field
undesirable plants present in the field.
none of these
- 5. Multiple Choice
Rhizobium bacteria is present in the nodules of the roots of ____
wheat
leguminous plants
maize
onion
- 6. Multiple Choice
The chemical used as weedicide is
a)2,4-Dichlorophenoxyacetic acid
b)malathion
c)boric acid
d)both a and b
- 7. Multiple Choice
Before storing ,the grains are properly dried under sunlight.
True
False
- 8. Multiple Choice
Silos are used to
grow crops in the field.
protect grains from pests like rats and insects
to store damaged grains.
- 9. Multiple Choice
Winnowing is a method of separating of
soil from chaff.
grain from chaff.
soil from grain.
to remove the crumbs.
- 10. Multiple Choice
The supply of water at different intervals is called
watering
irrigation
harvesting
crop rotation
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