Crop Production and Management |Class 8 | Science | C1

 

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Chapter - 1

Crop Production and Management

Textual Exercise

Page No 13:

Question 1:

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.

Page No 14:

Question 2:

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:

(i) -- (e)

(ii) -- (d)

(iii) -- (b)

(iv) -- (c)

Question 3:

Give two examples of each.

(a) Kharif crop

(b) Rabi crop

Answer:

(a) Kharif crop → Paddy, maize

(b) Rabi crop → Wheat, gram

Question 4:

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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