Which is the cheapest but most energy-providing fruit?

Which organization indicates that eggs have high biological value?

Which one of the following pairs are fresh water carps?

Which one of the following is a pest of tobacco?

Consider the following statements:
$I$. Semen is preserved for artificial insemination by heating.
$II$. The most common bee species reared in India is $Apis$ $indica$.
$III$. An example of interspecific hybridization is a mule.
Which of the statements given above is/are not correct?

Assertion : In case of vegetatively propagated crops,pure-line selection is not required.
Reason : Hybrid vigour is mostly used in vegetatively propagated plants.