HNB STUDY CIRCLE

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HNB STUDY CIRCLE

CLASS 8 , CHAPTER 1 CROP PRODUCTION AND MANAGEMENT

Question 1.The branch of science that deals with growing plants and raising livestock for human use is

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a) agriculture

(b) horticulture

(d) animal husbandry

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Question 2.Products obtained from the crops are called

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(a) yield

(b) produce

(d) fertilisers

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The practice of growing two or more dissimilar crops in the same field one after another is

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(a) crop rotation

(b) tilling

(d) weeding

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Question 4.The unwanted plants that grow along with the crops are called(a) fertilisers

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a) fertilisers

(b) manure

(d) kharif crops

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Question 5.The ideal months for harvesting kharif crop are

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a) June/July

(b) August/September

(d) November/December

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Question 6.Which of the following is an example of rabi crop?

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a) Potato

(b) Onion

(d) Pulses

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Question 7.The method of loosening the soil is called

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a) harvesting

(b) ploughing

(d) threshing

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Question 8.Levelling of soil helps to prevent

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a) soil erosion

(b) cultivation

(d) drought

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Question 9.Which of the following is not a kharif crop?

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a) Paddy

(b) Maize

(d) Peas

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Question 10.Which of the following are agricultural implements?

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a) Seed drills

(b) Silos

(d) All of these

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Question 11.The process of beating out grains from the harvested wheat crop is called

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(a) beating

(b) crushing

(d) harvesting

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Question 12.Watering the crops is called

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(a) sowing

(b) manuring

(d) irrigation

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Question 13.Which of the following is not provided to the soil by a chemical fertiliser?

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(a) Nitrogen

(b) Humus

(d) Phosphorus

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Question 14.The chemical substances rich in nutrients are called

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(a) fertilisers

(b) weedicides

(d) herbicides

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Question 15.Compost is basically a

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(a) manure

(b) fertiliser

(d) weedicide

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Question 16.Which of the following is an important factor for the growth of crops?

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a) Temperature

(b) Flumidity

(d) All of the above

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Question 17.Which of the following is generally used for making compost?

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a) Metals

(b) Paper

(d) Organic plant waste

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Question 18.Which of the following is used for tilling the land by cultivator?

1 point

a) Tractor

(b) Bullock

(d) Fforse

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Question 19.Combines are used for

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a) sowing of seeds

(b) harvesting the crops

(d) both harvesting and threshing

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Question 20.What is NPK?

1 point

a) Fertiliser

(b) Manure

(d) Weed

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