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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 : 36
Sponges with a skeleton of calcium carbonate belongs to the class

calcarea
demospongia
anthozoa
hexactinellida

Question No : 37
The canal system in sponges does not serve the function of

nutrition
respiration
excretion
sexual reproduction

Question No : 38
Sycon belongs to the class

calcarea
porifera
hexactinellida
demospongia

Question No : 39
The only fresh water species of sponges is

Scypha
Euspcmgia
Spongilla
None of these

Question No : 40
Sponges capture their food by

pinacocytes
thesocytes
choamocytes
scleroblasts

Question No : 41
The spongocoel is lined by choanocytes in

Leucosolenia
Sycon
Euspnongia
Grautia

Question No : 42
The pathway of entring and coming out of water of sponges is

water vascular system
canal system
feeding current
circulating current

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