Classification of porifera is based upon –

Cellular grade organisation is found in –

The members of the following phylum are mostly marine and asymmetrical

Spicules and amoebocytes in a sponge occur in its

Hydra is a coelenterate because it has –

“Portuguese man of war” is –

Which one of the following is Coelentrate ?

Given are the four matches of phyla with their characteristic cells

A. Coelenterata – Nematocytes

B. Porifera – Choanocytes

C. Ctenophora – Solenocytes

D. Platyhelminthes – Nephrocytes

Mark the option that has both correct matches

Filaria worm is –

Which of the following is commonly called ‘Pearl oyster’