Q1 of 465 Page 59

Beekeeping known as

Apiculture is rearing of bees for honey and other products

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30

Suggest some preventive measures of the diseases of poultry birds.

 31

The figure shows two crop fields (plots A and B) have been treated by manures and chemical fertilizers, respectively, keeping other environmental factors same. Observe the graph and answer the following questions:


(i) Why does plot B shows sudden increase and then gradual decrease in yield?


(ii) Why is the highest peak in plot A graph slightly delayed?


(iii) What is the reason for the different pattern of the two graphs.

 2

Ganga 5 is the variety of ...

 3

Concentrates are low in fibres but rich in proteins and other nutrients.