16. Watering the crops is called: (a) sowing(b) manuring(c) tilling(d) irrigation
17. Weeds are the:
(a) main crop plants(b) insects and pests(c) unwanted plants growing along the crop(d) chemical substances
18. Combines are used for:
(a) sowing of seeds(b) harvesting the crops (c) threshing(d) harvesting and threshing both.
19. Separating grains from chaff is called: (a) winnowing(b) threshing(c) fallow(d) harvesting.
20. Weedicides are used to destroy:
(a) insects(b) weeds(c) pests(d) none of these.
21. Kharif crops are sown in
(a) March, April(b) May, June(c) October, November(d) Any time.
22. Wheat and gram belong to
(a) Rabi crops(b) Kharif crops(c) Both of these(d) None of these.
23. Examples of kharif crops are
(a) Wheat and maize(b) Gram and maize(c) Paddy and maize(d) All of these.
24. 2-4D is a
(a) Pesticides(b) Insecticides(c) Fungicides(d) Weedicides.
25. Seed drill is used to
(a) sow the seeds(b) remove the weeds(c) remove the pest(d) mix manure in the soil.
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Answer:
16. irrigation
17.unwanted planted growing along with the crop
18.threshing
19.threshing
20.weeds
21.may, june
22.Rabi crops
23.paddy and maize
24.weedicides
25.sow the seeds
Answered by
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Answer:
16) (d) irrigation
17) (c) unwanted plants growing along the crop
18) (d) harvesting and threshing both
19) (a) winnowing
20) (b) weeds
21) (b) May, June
22) (a) Rabi crops
23) (c) Paddy and maize
24) (d) Weedicides.
25) (a) sow the seeds
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