One of the major $Basmati$ rice producing states of our country is

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Worker bee	$(A)$ Soluble in ether
$(2)$ Rohu	$(B)$ Sterile female bee
$(3)$ Wax	$(C)$ Father of White Revolution
$(4)$ Kurien	$(D)$ Freshwater fish

As a result of various plant breeding techniques for the development of high-yielding varieties of wheat and rice in the mid-$1960$s, there was a dramatic increase in food production. This phase is called $Green Revolution$.
$\quad\quad P \quad Q$

Which fruit is the cheapest but provides the most energy?

$A$ large number of approximately $\ldots \ldots$ people suffer from hidden hunger—deficiencies of micronutrients,protein,and vitamins.

The offspring produced from the cross between two pure parents are more vigorous and high-yielding. This phenomenon is known as: