Which one of the following fishes is a surface feeder?

Which one of the following species of honey bee is an Italian species?

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?

Which one of the following fish variety is a surface feeder?

State how barseem,oats,or sudan grass are used by farmers.

For what reasons are improved poultry breeds developed?