Match the following columns:

Column-$I$	Column-$II$
$I$. Choanocytes	$p$. Cnidaria
$II$. Cnidoblasts	$q$. Platyhelminthes
$III$. Flame cells	$r$. Porifera
	$s$. Aschelminthes

Fill in the blanks marked in the classification table of $Vertebrata$ from the choices provided below with respect to $A, B, C, D, E$ and $F$ and choose the correct option:
$I$. Pisces
$II$. Osteichthyes
$III$. Agnatha
$IV$. Gnathostomata
$V$. Chondrichthyes
$VI$. Cyclostomata
$A - B - C - D - E - F$

Which of the following is $NOT$ an endoparasite?

Animals that are metamerically segmented with a true coelom and a closed circulatory system belong to $:-$

Match the columns and choose the correct combination.

$A$. Polychaeta	$p$. Scorpion
$B$. Trematoda	$q$. Pila
$C$. Arachnida	$r$. Liver Fluke
$D$. Gastropoda	$s$. Nereis
	$t$. Star Fish

Fill in the blank spaces appropriately in the table below:

Phylum/Class	Excretory organ	Circulatory system	Respiratory organ
Arthropoda	$...............$	$...............$	Lungs/Gills/Tracheal system
$...............$	Nephridia	Closed	Skin/Parapodia
$...............$	Metanephridia	Open	$...............$
Amphibia	$...............$	Closed	Lung