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Class 8 Science
Crop Production And Management
Quiz 1
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The Crops which are grown in rainy season are called
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Rabi crop
0%
Seasonal crop
0%
Monsoon crop
0%
Kharif crop
Explanation
Kharif crop
Rabi Crops are grown in _______ season
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Summer
0%
Spring
0%
Winter
0%
rainy
Explanation
Winter
Now a days seed is sown in the field using
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Seed Tractor
0%
Seed drill
0%
Seed Tiller
0%
Seed Plough
Explanation
Winter
Which of the following description is true for describing ‘fertiliser’
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Used in large quantity
0%
Organic in nature
0%
Does not cause pollution
0%
Produced in factories
Explanation
Produced in factories
Rhizobium (a Bacteria) which fixes atmospheric nitrogen are found in nodules growing in
0%
Roots of leguminous plants
0%
Leaves of leguminous plants
0%
Stem of Leguminous plants
0%
All of the above.
Explanation
Roots of leguminous plants
sowing the seeds, it is necessary to break soil to the size of grains to get better yield. The main tools used for such are
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Tractor, Hoe, Seed drill
0%
Bullock, tiller, tractor
0%
Plough, Hoe, Cultivator
0%
Plough, Seed Drill, Tractor
Explanation
Plough, Hoe, Cultivator
Growing different crops alternately on the same land is technically called
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Crop Alternation
0%
Crop Rotation
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Crop Revolution
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Crop Change
Explanation
Crop Rotation
Moat, Dhekli and Rahat are different
0%
Traditional methods of cultivation
0%
Traditional methods of Weeding
0%
Traditional methods of Seed sowing
0%
Traditional methods of irrigation
Explanation
Traditional methods of irrigation
In the harvested crop the grain seed is separated from the chaff. This process id called ___
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Threshing
0%
Seeding
0%
Ploughing
0%
Weeding
Explanation
Threshing
The farm appliance ‘Combine’ is a combined
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Plough and Harvester
0%
Seed drill cum Thresher
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Harvester and Thresher
0%
Harvester cum Sprayer
Explanation
Harvester and Thresher
The process of loosening of the soil is called
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tilling
0%
harvesting
0%
spraying
0%
weeding
Explanation
tilling
Which is pesticides?
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2, 4-dichlorophenoxyacetic acid
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Malathion
0%
Metolachlor
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Chloroform
Explanation
Malathion
Seed drill is used for
0%
harvesting
0%
cleaning the seed
0%
sowing
0%
weeding
Explanation
sowing
Rabi crop is harvested in
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January
0%
March
0%
October
0%
September
Explanation
March
Maize grow well during
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June
0%
January
0%
April
0%
September
Explanation
June
The agricultural instrument used for removal of weed is
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sickle
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khurpi
0%
seed drill
0%
plough
Explanation
khurpi
Transplantation of seedling is done in
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coffee
0%
cocoa
0%
rice
0%
mango
Explanation
rice
Compost is a
0%
manure
0%
fertiliser
0%
pesticide
0%
weedicide
Explanation
manure
BHC (Benzene hexachloride) is a
0%
weedicide
0%
fertiliser
0%
fungicide
0%
pesticides
Explanation
pesticides
The chemical substances rich in nutrients are called
0%
fertiliser
0%
weedicide
0%
pesticides
0%
herbicides
Explanation
fertiliser
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