Write two examples each of the fishes that are:
$(i)$ Top dwellers
$(ii)$ Middle dwellers
$(iii)$ Bottom dwellers,in composite fish culture.

Cattle husbandry is done for the following purposes:
$(i)$ Milk production
$(ii)$ Agricultural work
$(iii)$ Meat production
$(iv)$ Egg production

Why should bee keeping be done in good pasturage?

Find out the correct sentence about manure:
$(i)$ Manure contains large quantities of organic matter and small quantities of nutrients.
$(ii)$ It increases the water holding capacity of sandy soil.
$(iii)$ It helps in draining out excess water from clayey soil.
$(iv)$ Its excessive use pollutes the environment because it is made of animal excretory waste.

Differentiate between manures and fertilizers.

Differentiate between mixed cropping,intercropping,and crop rotation.