Identify two crops from the following which provide us carbohydrates for energy requirement:
Black gram,Wheat,Lentil,Rice

The method of incorporating desirable characters into crop varieties is by

Unpredictable monsoon,droughts,and low rainfall are adversely affecting Indian agriculture.
$(a)$ Mention any two initiatives that have been adopted to increase the availability of water for agricultural purposes.
$(b)$ State two advantages of making check dams.
$(c)$ Briefly describe the canal and river lift systems of irrigation.

Differentiate between compost and vermicompost.

Why is there a need for varietal improvement?

Name two protein-containing rabi crops.