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Phylum - Porifera MCQ Question with Answer

Phylum - Porifera MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Sponges capture their food by

choanocytes
porocytes
amoebocytes
pinacocytes

Question No : 9
The commercial bath sponge is made up of

siliceous spicules
spongin fibres
collagen fibres
elastic fibres

Question No : 10
Path of water in a sponge is

pinacocyte � choanocyte � osculum
osculum > spongocoel � ostia
ostia > spongocoel � osculum
osculum � ostia > spongocoel

Question No : 11
The skeleton in sponges is composed of

gemmules
spicules
spongin fibre
trychocysts

Question No : 12
A chamber which is common in different types of canal system:

Radial canal
Inhalant canal
Spongocoel
None of these

Question No : 13
Collared, flagellated cells covering large parts of the inner chambers of sponges and helping to keep water circulating are

choanocytes
porocytes
pinacocytes
amoebocytes

Question No : 14
What is Euplectella commonly called ?

Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge

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