Which of the following statements is true?

What is the full form of $IARI$?

More than $70\%$ of the world's livestock population is found in....

What do pesticides include?

Identify the incorrect statements from the following:
$(i)$ Increasing milk production capacity is an objective of animal breeding.
$(ii)$ Breeds of each domesticated animal show variations in their characteristics.
$(iii)$ Out-crossing involves breeding between a male and a female of two different species.
$(iv)$ $A$ mule is an example of interspecific hybridization.

Name the crop which had its birth place in Tropical America but now the centre of production is Mid-west $USA$.