One of the following can be used as an illustration to demonstrate process of evolution in animals
Extinction of some animals like cheetah
Occurrence of tadpole in the life history of frog
Presence of egg laying mammals in Australia
Increasing incidents of $ DDT $ resistance in mosquitoes
A population splits into two or more groups and these groups occupy the different ecological zones. This is known as
First cell produced on earth is
Which of the following was not in the direction of evolution of human species
Match the names of branches of biology listed under column $I$ with the field of study given under column $II$; choose the answer which gives the correct combiantion of the alphabets of the two columns
Column $I $ Column $ II$
(Branch of biology) (Field ofstudy)
$A$ Palynology $p$ Silkworms
$B$ Oncology $q$ Pollens
$C$ Phycology $r$ Cancer
$D$ Sericulture $s$ Algae