The offspring produced from the cross between two pure parents are more vigorous and high-yielding. This phenomenon is known as:

Select the mismatched pair from the following:

The Green Revolution succeeded in increasing the yield of crops mainly due to the use of:
$I.$ Improved varieties of crops
$II.$ Agro-chemicals (fertilizers and pesticides)
$III.$ Better management practices
Choose the correct option.

Which of the following is not a characteristic of $Saccharum$ $barberi$?

In the dairy industry,cattle farmers are central because .......

The Indian Agricultural Research Institute $(IARI)$ is located at ........