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Kingdom Animalia Metazoa - Questions and Answers

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111. Spicules develop in sponges from cells located inside
A. Pinacoderm
B. Gastroderm
C. Mesohyl layer
D. All the above
Explanation:
112. The phylum/phyla showing radial symmetry
A. Porifera
B. Coelenterata
C. Echinodermata and coelenterata
D. Coelenterata and plathhelminthes
Explanation:
113. Digestive system is complete where
A. All the digestive glands are present
B. Both anus and mouth are present
C. Digestion occurs in the cavity of digestive tract
D. Digestion occurs in the individual cells lining the digestive tract
Explanation:
114. A function not connected with canal system is
A. Circulation of water
B. Gaseous exchange
C. Nutrition
D. Formation of reduction bodies
Explanation:
115. Internal asexual propagule of some fresh water sponges is
A. Gemmule
B. Planula
C. Stereoblastual
D. Amphiblastula
Explanation:
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