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NCERT solutions Science Class 8 chapter 1 Crop Production and Management

Chapters

NCERT Science Class 8

Science Textbook For Class 8

Chapter 1 - Crop Production and Management

Pages 13 - 15

Select the correct word from the following list and fill in the blanks.

float, water, crop, nutrients, preparation

The same kind of plants grown and cultivated on a large scale at a place is called _________

Q 1.1 | Page 13

Select the correct word from the following list and fill in the blanks

float, water, crop, nutrients, preparation

The first step before growing crops is ________ of the soil

Q 1.2 | Page 13

Select the correct word from the following list and fill in the blanks

float, water, crop, nutrients, preparation

Damaged seeds would _________ on top of water

Q 1.3 | Page 13

Select the correct word from the following list and fill in the blanks

float, water, crop, nutrients, preparation

For growing a crop, sufficient sunlight and _________ and _________ from the soil are essential.

Q 1.4 | Page 13

Match items in column A with those in column B

  A   B
1 Kharif crops a Food for cattle
2 Rabi crops b Urea and super phosphate
3 Chemical fertilisers c Animal excreta, cow dung
urine and plant waste
4 Organic manure d Wheat, gram, pea
    e Paddy and maize

 

Q 2 | Page 14

Give two examples of Kharif crop

Q 3.1 | Page 14

Give two examples of Rabi crop.

Q 3.2 | Page 14

Write a paragraph in your own words of the following

Preparation of soil

Q 4.1 | Page 14

Write a paragraph in your own words of the following

Sowing

Q 4.2 | Page 14

Write a paragraph in your own words of the following.

Weeding

Q 4.3 | Page 14

Write a paragraph in your own words of the following

Threshing

Q 4.4 | Page 14

Explain how fertilisers are different from manure.

Q 5 | Page 14

What is irrigation? Describe two methods of irrigation which conserve water.

Q 6 | Page 14

If wheat is sown in the kharif season, what would happen? Discuss.

Q 7 | Page 14

Explain how soil gets affected by the continuous plantation of crops in a field

Q 8 | Page 14

What are weeds? How can we control them?

Q 9 | Page 14

Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.

Q 10 | Page 14

Complete the following word puzzle with the help of clues given below.

Down

1) Providing water to the crops.

2) Keeping crop grains for a long time under proper conditions.

5) Certain plants of the same kind grown on a large scale.

Across

3) A machine used for cutting the matured crop.

4) A rabi crop that is also one of the pulses.

6) A process of separating the grain from chaff.

Q 11 | Page 15

NCERT Science Class 8

Science Textbook For Class 8
S