Three of the following four letter-clusters are alike in

The increase in the input, irrigation, manpower, fertiliser and capital to the farm is known as: 

The process of leaching calcium carbonate from soil is termed:

Which of the following statements is/are true about the relationship between soil fertility and nutrient cycling?

The rotation of the Earth contribute to the development of high and low-pressure systems by

The Black rust disease of wheat is caused by:

Which of the following is NOT correctly matched?

The major part of soil type found in Madhya Pradesh is:

In ecology, what does the term "niche" refer to?

What is the function of the peritrophic membrane in the insect midgut?

White eye deficiency is found in which crop?