Pick out the mismatched pair.

Match the animals listed under Column-$I$ with their respective zoological names given under Column-$II$; choose the answer that provides the correct combination of the alphabets of the two columns.
Column-$I$ (Common Name) | Column-$II$ (Zoological Name)
$A$. Starfish | $p$. Sepia
$B$. Jellyfish | $q$. Astropecten
$C$. Devilfish | $r$. Aurelia
$D$. Cuttlefish | $s$. Octopus

Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Amphibia	$(1)$ Air bladder
$(b)$ Mammalia	$(2)$ Cartilaginous notochord
$(c)$ Chondrichthyes	$(3)$ Mammary gland
$(d)$ Osteichthyes	$(4)$ Pneumatic bones
$(e)$ Cyclostomata	$(5)$ Dual habitat
$(f)$ Aves	$(6)$ Jawless,circular,sucking mouth

In which of the following is the genus name,two characters,and its phylum mismatched,while the other three are matched correctly?

Genus Name	Two Characters	Phylum
$A$. Pila	$(i)$ Segmented body,$(ii)$ Radula in mouth	Mollusca
$B$. Asterias	$(i)$ Spiny skin,$(ii)$ Water vascular system	Echinodermata
$C$. Sycon	$(i)$ Pore-bearing,$(ii)$ Canal system	Porifera
$D$. Periplaneta	$(i)$ Jointed appendages,$(ii)$ Chitinous exoskeleton	Arthropoda