Science, asked by payalsingh108, 10 hours ago

Rabi crop is harvested in

(a) January (b) March (c) October (d) September

5.Maize grow well during

(a) June (b) January (c) April (d) September

6.The agricultural instrument used for removal of weed is

(a) sickle (b) khurpi (c) seed drill (d) plough

7.Transplantation of seedling is done in

(a) coffee (b) cocoa (c) rice (d) mango

8.Compost is a

(a) manure (b) fertilizer (c) pesticide (d) weedicide

9.BHC (Benzene hexachloride) is a

(a) weedicide (b) fertilizer (c) fungicide (d) pesticides

10.The chemical substances rich in nutrients are called

(a) fertilizer (b) weedicide (c) pesticides (d) herbicides

11.The process of separation of grain from the chaff after harvesting is known as

(a) tilling (b) threshing (c) spraying (d) weeding

12.The soil matter formed by decayed organic matter is called

(a) pesticide (b) fertilizer (c) humus (d) biocide

13.Supply of water to crops at appropriate intervals is called

(a) cultivation (b) irrigation (c) harvesting (d) sowing

14.Which simple tool is used to remove weeds?

(a) Sickle (b) Plough (c) Hoe (d) Seed drill

15.Which instrument is used for spraying weedicides?

(a) Sprayer (b) Cultivator (c) Plough (d) Combine

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.​

Answers

Answered by bhagabati28
0

Answer:

Ravi crops grow in November to April (winter)

Answered by singhmahima262
0

Answer:

1. March

2.April

Explanation:

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