Non Chordate phylum

The pathway of Porifera water transport system is

• Ostia---->Osculum---->Spongocoel

• Spongocoel----->Osculum----->Ostia

• Osculum------> Ostia------> Spongocoel

• Ostia --------> Spongocoel-------> Osculum

The process of alteration of generation in the life cycle of Cnidarians is called________.

• Metamorphosis

• Regeneration

• Metagenesis

• Metamerism

Cydippid is the larval form of_______

• Platyhelminthes

• Ctenophora

• Cnidaria

• Mollusca

Function of flame cells is/ are

• Excretion

• Respiration

• Osmoregulation

• Circulation

Polyembryony is common in

• Liver fluke

• Pin worm

• earthworm

• round worm

Excretory system of round worms consist of_______.

• Colloblasts

• Spicule

• Renette gland

• Coxal gland

Locust the gregarious pest is an economically important insect.

• False

• True

Modified trochophore larva is called

• Planula larva

• Veliger larva

• cydippid larva

• Parenchymula

Statocysts are the organ of equilibrium in Phylum

• Aschelminthes

• Annelida

• Arthropoda

• Aves

Arthropods has exoskeleton.

• True

• False