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"The skeleton of the sponges are made up of a fibrous protein called" Multiple Choice Questions (MCQ) on phylum porifera with choices spongin, fibrin, fibrinogen, and fibrous protein for online bachelor degree programs. Solve phylum porifera quiz questions for merit scholarship test and certificate programs for bachelor degree online in 2 years.
MCQs on Phylum Porifera PDF Download eBook
MCQ: The skeleton of the sponges are made up of a fibrous protein called
- spongin
- fibrin
- fibrinogen
- fibrous protein
A
MCQ: The collar cells of the sponges are known as
- choanocytes
- chondrocytes
- pinacocytes
- porocytes
A
MCQ: In sponges, the exchange of water and diffusion is carried out by the process of
- osmosis
- active transport
- diffusion
- passive transport
C
MCQ: A thin flat cell that covers the outer surface of the sponges are called
- porocytes
- chondrocytes
- pinacocytes
- leukocytes
C
MCQ: The needle-like spikes present on the skeleton of the sponges are called
- needles
- stinging cells
- defensive cells
- spicules
D
