About $200$ million years ago,some land reptiles went back into water to evolve into fish-like reptiles. These reptiles were known as:

Which of the following refer to incorrect example$(s)$ of organisms which have evolved due to changes in environment brought about by anthropogenic action?
$(a)$ Darwin's Finches of Galapagos islands.
$(b)$ Herbicide resistant weeds.
$(c)$ Drug resistant eukaryotes.
$(d)$ Homologous organ in Bat and Man

Which of the following scientists is correctly matched with the theory proposed by them?

What is the name of the animal shown in the figure?

Assertion: Leaf butterfly and stick insect show mimicry to dodge their enemies.
Reason: Mimicry is a method to acquire body colour blending with the surroundings.

Match the columns:

Column-$I$	Column-$II$
$(1)$ Human embryos have gill	$(a)$ Chemical evolution
$(2)$ Oparin and Haldane	$(b)$ Simulation experiment
$(3)$ Miller and Urey	$(c)$ Wings of bird and butterfly
$(4)$ Analogous organ	$(d)$ Ontogeny repeats phylogeny