
A. For protein synthesis
B. For day to day activities
C. For sexual reproductive activities
D. For cell division
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A. Asexual reproduction is by transverse fusion
B. They are bilaterally symmetrical
C. Has no nervous system
D. Has no organ
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A. Evolutionary intermediate forms between protozoans and metazoans heterotrophic organisms
B. Unicellular autotrophic organisms
C. Parasites on a wide range of marine invertebrates
D. Parasites of cephalopods
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A. Nematogens
B. Rhombogens
C. Inusorigens
D. None of the above
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A. Asconoid
B. Louconoid
C. Syconoid
D. Sporangnoid
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A. A very small class of leuconoid marine sponges
B. Sponges with a purely siliceous skeleton
C. Sponges with skeleton consisting solely of calcareous spicules
D. Sponges that lack skeleton and if present may be siliceous
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A. Porifera
B. Platyhelminthes
C. Nematodes
D. Arthropoda
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A. They are similar to demospongiae
B. Their choanocytes are small and lack jelly
C. They are found associated with coral reefs
D. Their skeleton is made up of siliceous spicules and sponging fibres
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A. Their bodies consists of many cooperating cells
B. The principal body opening is inhalant
C. Presence of choanocytes
D. Possession of sense organs
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A. cell addition
B. cell enlargement
C. cell formation
D. cell multiplication
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