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

$(a)$ State three ways by which pests attack the plants.
$(b)$ Name the chemical used to control pests.
$(c)$ Explain why excessive use of such chemicals should be avoided.

The ration (daily food requirement) for broilers is carbohydrate-rich with adequate minerals.

How do Sunhemp or guar help in crop production management? How is it better than fertilizers?

Paras visited a poultry farm with his younger brother,who was perturbed to see that the caretakers were feeding them with grains left in the harvested field which humans cannot consume. Paras explained to him that it would not harm them.
$(i)$ List the two major purposes of poultry farming.
$(ii)$ Name an indigenous and an exotic poultry breed.
$(iii)$ Why was Paras' brother perturbed?

Name two protein-containing rabi crops.