Which of the following pairs is correctly matched?

Choose the correct difference between $Pristis$ and $Catla$.

The appropriate sequence of numbered animals from column-$II$ matching with the sequence of larvae in column-$I$ is

Column-$I$	Column-$II$
$(a)$. Planula	$(i)$. Mussel
$(b)$. Glochidium	$(ii)$. Crab
$(c)$. Nauplius	$(iii)$. Obelia
$(d)$. Cysticercus	$(iv)$. Nereis
	$(v)$. Taenia solium

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

Which pair of animal groups contains the respiratory pigment $Hemocyanin$?

Which of the following characteristics are $NOT$ common to both Aves (birds) and Mammalia (mammals)?
$I$ - Homeothermic (warm-blooded) animals.
$II$ - Respire through lungs.
$III$ - Possess a four-chambered heart.
$IV$ - Dioecious (sexes are separate).
$V$ - Possess hair on the skin.
$VI$ - Show internal fertilization.
$VII$ - Possess teeth.