Give an example of the following:
$(a)$ Roundworm
$(b)$ Fish possessing poison sting
$(c)$ $A$ limbless reptile/amphibian
$(d)$ An oviparous mammal

Identify the correct statement:

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

Which of the following statements is not correct?

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

Consider the following three statements $(A-C)$ and select the option which includes all the correct ones only:
$(A)$ The earthworm shows metameric segmentation.
$(B)$ Platyhelminthes shows organ level of body organisation.
$(C)$ In Aschelminthes,mesogloea is present between ectoderm and endoderm.