Which of the following is a ruminant animal?

Homozygous pure lines in cattle can be obtained by:

$A$ cow which gives more milk per lactation is evolved into a pure line by mating with a superior bull of the same breed for $4-6$ generations. Which type of breeding is being referred to in this case?

What percentage of the population in India is employed in agriculture (in $\%$)?

If your family owned a dairy farm,what measures would you undertake to improve the quality and quantity of milk production?

It is estimated that more than $...A...$ of the world livestock population is in India and China. However,it is surprising to note that the contribution to the world farm produce is $...B...$.