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Kingdom Animalia Metazoa - Questions and Answers

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156. After drying, a bath sponge contains
A. Holdfast
B. Tentacles
C. Spicules
D. Spongin fibres
Explanation:
157. The symmetry found in an animal which can be divided into two similar halves by one plane only is
A. Radial
B. Biradial
C. Spherical
D. Bilateral
Explanation:
158. Choanocyte is characteristic of
A. Annelida
B. Arthropoda
C. Porifera
D. None of the above
Explanation:
159. Spongocoel is lined by
A. Porocytes
B. Choanocytes
C. Amoebocytes
D. Spicules
Explanation:
160. Skeleton made of sponging fibres occurs in
A. Calcarea
B. Demospongiae
C. Hexactinellida
D. Both A and B
Explanation:
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