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Kingdom Animalia Metazoa - Questions and Answers

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171. Sponges capture food by
A. Pinacocytes
B. Choanocytes
C. Thesocytes
D. Trophocytes
Explanation:
172. Sycon belongs to a group of animals which are best described as
A. Unicellular or acellular
B. Multicellular without any tissue organisation
C. Multicellular with a gastrovascular system
D. Multicellular having tissue organization, but no body cavity
Explanation:
173. The one absent in sponges is
A. Nerve cell
B. Gland cell
C. Sensory cell
D. All the above
Explanation:
174. One of the following is not the characteristic feature of sponges
A. Cellular level of organisation
B. Body supported by chitin
C. Presence of ostia
D. Intracellular digestion
Explanation:
175. Which is not correct about sponges?
A. Internal fertilization
B. Gemmule formation
C. External fertilization
D. Gametes are formed from epidermal cells
Explanation:
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