In which book was binomial nomenclature used for the first time?

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

The study of snakes is called:

The study of the origin and development of humans in all their physical,social,and cultural relationships is called:

The study of trends in human population growth and the prediction of future development is known as

Christian Gram belongs to which country?