Which of the following animals is $NOT$ included in the phylum $Platyhelminthes$?

How many of the following animals are homeothermic (warm-blooded)?
Rattus,Macropus,Balaenoptera,Columba,Calotes,Crocodilus,Naja,Hyla,Rana,Neophron,Tigris

Give the correct match in the following:

Column-$I$	Column-$II$
$(A)$ Flame Cells	$(p)$ Sponges
$(B)$ Collar Cells	$(q)$ Hydra
$(C)$ Stinging cells	$(r)$ Planaria
	$(s)$ Ascaris

Which one of the following phyla is correctly matched with its two general characteristics?

Which of the following statements is true for all four: $Spongilla$,$Leech$,$Dolphin$,and $Penguin$?

Which one of the following is not correctly matched?