Q6 of 30 Page 1

Which of the following tools would a farmer use to remove weeds from the field?

Hoe is an agricultural implement which is a long rod of wood or iron with a broad, bent and strong iron plate at its one end which is used to remove weeds. It is also used for loosening soil.

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4

The term used for the process of separation of grains from chaff is

 5

Read the statements given below.

(i) seeds require moisture for germination


(ii) plants can absorb nutrients mostly in dissolved form


(iii) irrigation protects crops from both frost and hot air currents


(iv) irrigation improves soil texture


Choose the combination of statements which indicate the need to irrigate crops.

 7

Which of the following is not true for fertilizers?

 8

Given below are statements about the harmful effects of weeds on crop plants.

(i) they interfere in harvesting.


(ii) they help crops plants to grow healthy.


(iii) they complete with crop plants for water, nutrients, space and light.


(iv) they affect plant growth.


Choose the correct combination of statements.