CBSE Class 8 Chemistry (Demo)

The Crops which are grown in rainy season are called

Rabi Crops are grown in __________ season.

Nowadays seed is sown in the field using

Which of the following description is true for describing ‘fertiliser’

Rhizobium (a Bacteria) which fixes atmospheric nitrogen are found in nodules growing in

Before sowing the seeds, it is necessary to break soil to the size of grains to get better yield. The main tools used for such are

Growing different crops alternately on the same land is technically called

Moat, Dhekli and Rahat are different

In the harvested crop the grain seed is separated from the chaff. This process id called $$\qquad$$

The farm appliance ‘Combine’ is a combined

Organic wastes can be decomposed to form ________ , which can sustainably enhance the nutrient content of the soil.

Which of the following is a rabi crop?

Which of the following should be used by a farmer with a large farm to harvest his crops quickly and efficiently?

In today’s world, where water is a scarce resource, which among the following irrigation methods is most feasible and sustainable?

Consider the following statements about weeding and identify the incorrect one.

What are the important steps in the preparation of soil?

Which of the following is not a traditional irrigation method?

If you were a farmer, which of the following methods will you use to separate good quality and viable grains from a heap of grains after harvest?

Which of the following is used to preserve food grains at home?

Weeds are controlled by chemicals called $$\qquad$$ .

Which type of irrigation is similar to rainfall?

What are the advantages of preparing the soil?

The process of loosening and turning the soil is known as:

Which of the following tool helps in uniform distribution of seeds while sowing?

Identify the agricultural method in which different crops are grown on a piece of land season after season.