A is the good of B, which is the only son of C. D is the

What distinguish an economic good from a free good?

Which of these green house gas is most abundant in the atmosphere?

Which among the following is NOT the element of learning situation :

Last people to adopt new practices and are traditional:

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

All India Soil Survey and Land Use Organisation was established during :

Mass contact method of communication is done when persons are more the

Who developed the Training and Visit (T and V) system for agricultural extension services ?

The main insect pest of cauliflower is:

Lac insect has which type of mouth part