Wings of insects and birds are

Pelycosaurs and Therapsids were

Brain capacity of Homo eractus.

Select the wrong statements

$I.$ Swank-neck flask experiment was performed by Louis Pasteur

$II.$ Louis Pasteur is famous for germ theory of disease

$III.$ Louis Pasteur disapproved spontaneous theory forever

$IV.$ Cosmozoic theory of origin of life was proposed by Richter

$V.$ Theory of catastrophism was given by Georges Cuvier

Choose the correct option

In phage $ (plaque)$  culture

Identify the vestigial organ in the given figure