Which vegetables were absent in India before the arrival of European invaders?

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

Match the names given under Column-$I$ with their relations given under Column-$II$, and choose the answer which gives the correct combination of the alphabets of the two columns.

Column-$I$ (Name)	Column-$II$ (Relations)
$A$. Bombyx mori	$P$. Disease of mulberry
$B$. Morus alba	$Q$. Centre where silkworm eggs are produced and supplied
$C$. Grainage	$R$. Silk moth
$D$. Powdery mildew	$S$. Mulberry plant
	$T$. Freshly hatched silkworm

Which of the following options represents the correct matching for the given columns?

Column-$I$	Column-$II$
$(i)$ Inbreeding	$(A)$ Mating between superior male of one breed and superior female of another breed
$(ii)$ Out-crossing	$(B)$ Mating between animals of the same breed
$(iii)$ Cross-breeding	$(C)$ Mating between animals of the same breed having no common ancestors for $4-6$ generations

Consider the following statements $(I-IV)$ regarding organic farming:
$I.$ Use of genetically modified crops like $Bt$ cotton.
$II.$ Input of naturally produced compost.
$III.$ No use of urea and pesticides.
$IV.$ Production of vitamin and mineral-rich vegetables.
Which of the above statements are correct?

The honey bees exhibit a type of dance to communicate the location of food. This is known as