'The law of limiting factor' was proposed by

The study of eggs of birds is termed as:

Match the branches of Biology listed in column $I$ with the areas of study listed in column $II$. Choose the answer which gives the correct combination of alphabets of the two columns.

Column $I$ (Branches of Biology)	Column $II$ (Area of Study)
$A$. Helminthology	$p$. Study of insects
$B$. Entomology	$q$. Study of fungi
$C$. Ornithology	$r$. Study of algae
$D$. Phycology	$s$. Study of birds
	$t$. Study of worms

Olericulture is the cultivation of:

Which of the following scientists was a plant breeder?

The study of ticks and mites is called: