CBSE Class 8 Biology (Demo)

Levelling is done to

Intercropping is

Keeping land uncultivated for some time so as to replenish the lost nutrients is called

Which of the given statements is not correct?

Scattering of seeds in field by hands is known as

Which of the given practices damages the soil fertility?

Cutting of mature crops with sickle is called

Falling of mature crops due to excessive irrigation

Combine is an implement used for

Which of the following is used as a weedicide?

Which of the following should come in the box ‘ X ‘ in the given sequence?
Ploughing $$\rightarrow$$ Levelling $$\rightarrow$$ Sowing seeds $$\rightarrow X$$
$$\rightarrow$$ Irrigation

What will improve the quantity of food production?

Food production can be increased to meet the demand of an increasing population by

(i) practicing efficient land management and development

(ii) continuous research to ensure sustainable development

(iii) using more pesticides to control pests.

Which of the following methods of cultivation causes salinisation of soil?

Which among the following is not the characteristic of a manure?

Sprinkler system of irrigation is very advantageous because it

The advantage of ploughing is that it

A farmer sows beans in his fields after harvesting a crop of wheat. The agricultural practice he is following is

The method which enables us to select be and healthy seedlings for cultivation in rice

Which of the following statements is not true for chemical fertilisers?

Fertilisers are the chemicals rich in

The crop that requires more irrigation is

“Agent Orange” contains

Rodenticides are

Ploughing helps in