Q3 of 30 Page 1

Which of the following statement is not true for organic manure?

Organic manure are obtained due to decomposition of dead and decayed plant and animal matter. They are relatively less rich in plant nutrients as compared to chemical fertilizers.

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1

Which one of the following conditions is not essential to grow maize?

 2

Propagation of ginger is generally done using

 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.