The branch of science dealing with the study of birds is

Which of the following statements is false?

Match the animals listed in Column-$I$ with their respective zoological names given in Column-$II$; choose the answer which gives the correct combination of the alphabets of the two columns.

Column-$I$	Column-$II$
$(A)$ Starfish	$(p)$ Sepia
$(B)$ Jellyfish	$(q)$ Asterias
$(C)$ Devilfish	$(r)$ Aurelia
$(D)$ Cuttlefish	$(s)$ Octopus

Give an example of the following:
$(a)$ $A$ viviparous animal
$(b)$ $A$ fish possessing a poison sting
$(c)$ $A$ fish possessing an electric organ
$(d)$ An organ which regulates buoyancy
$(e)$ An animal which exhibits alternation of generation
$(f)$ An oviparous animal with mammary glands

Match the following columns:

Column-$I$	Column-$II$
$I.$ Skin without scales	$p.$ $Catla$
$II.$ Placoid scales	$q.$ $Hagfish$
$III.$ Cycloid scales	$r.$ $Chameleon$
$IV.$ Epidermal scales	$s.$ $Ray-fish$

Which is the correct match based on the characteristics of animals?

Column-$I$	Column-$II$ (Phylum)	Column-$III$ (Example)
$I$. Water canal system	$a$. Porifera	$p$. Sea lily
$II$. Proboscis	$b$. Hemichordata	$q$. Sepia
$III$. Water vascular system	$c$. Mollusca	$r$. Sycon
$IV$. Shell	$d$. Echinodermata	$s$. Balanoglossus