Which among the following is the largest source of

Conversion factor of P into P2O5 is-

Last people to adopt new practices and are traditional:

What is the name of the shaft responsible for raising and lowering the inlet and exhaust valves at the proper time in an engine?

What distinguish an economic good from a free good?

The non-preference plant resistance to insects is also known as:

According to Planning commission, Indian region is divided into how many agro climatic zones?

The available water retained in soil is between_?

The rural development projects and men behind them are listed below. Which of the following is correctly matched?

A national scheme that provides insurance coverage and financial support to farmer in case of crop damaged due to natural calamities is:

In paddy, the clipping of tip of seedlings is done as a preventive measure against which pest?