NCERT Solutions for Class 8 Science Science - NCERT Solution Chapter 1

Crop Production and Management Class 8

Chapter 1 Crop Production and Management Exercise Solutions

Next Chapter 2 : Microorganisms : Friend and Foe >>

Exercise : Solutions of Questions on Page Number : 13

Q1 :  

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

float, water, crop, nutrients, preparation

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

(b) The first step before growing crops is ________ of the soil.

(c) Damaged seeds would _________ on top of water.

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


Answer :

(a) The same kind of plants grown and cultivated on a large scale at a place is called _ crop _.

(b) The first step before growing crops is _preparation__ of the soil.

(c) Damaged seeds would __float__ on top of water.

(d) For growing a crop, sufficient sunlight and _ water __ and _ nutrients_ from the soil are essential.

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Q2 :  

Match items in column A with those in column B.

A

B

(i)

Kharif crops

(a)

Food for cattle

(ii)

Rabi crops

(b)

Urea and super phosphate

(iii)

Chemical fertilisers

(c)

Animal excreta, cow dung, urine and plant waste

(iv)

Organic manure

(d)

Wheat, gram, pea

(e)

Paddy and maize


Answer :

A

B

(i)

Kharif crops

(e)

Paddy and maize

(ii)

Rabi crops

(d)

Wheat, gram, pea

(iii)

Chemical fertilisers

(b)

Urea and super phosphate

(iv)

Organic manure

(c)

Animal excreta, cow dung, urine and plant waste

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Q3 :  

Give two examples of each.

(a) Kharif crop

(b) Rabi crop


Answer :

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Q4 :  

Write a paragraph in your own words on each of the following.

(a) Preparation of soil (b) Sowing

(c) Weeding (d) Threshing


Answer :

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Q5 :  

Explain how fertilisers are different from manure.


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Q6 :  

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


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Q7 :  

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


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Q8 :  

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


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Q9 :  

What are weeds? How can we control them?


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Q10 :  

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


Answer :

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Q11 :  

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.


Answer :

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Next Chapter 2 : Microorganisms : Friend and Foe >>

Science - NCERT Solution - Science : CBSE NCERT Exercise Solutions for Class 8th for Crop Production and Management will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

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