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Kingdom Animalia Metazoa - Questions and Answers

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31. Sponges are
A. Planktonic
B. Nectonic
C. Neuston
D. Sedentary
Explanation:
32. Euplectella belongs to class
A. Homocoela-Calcarea
B. Hexactinellida
C. Demospongiae
D. Heterocoela-Calcarea
Explanation:
33. Myocytes of sponges are modified
A. Choanocytes
B. Amoebocytes
C. Pinacocytes
D. Gland cells
Explanation:
34. Difference between sponges and other metazoan is
A. Sponges do not contain blood
B. Sponges possess cellular level of organization
C. Sponges do not have cell division
D. Sponges do not have division of labour
Explanation:
35. Level of organization in sponges is
A. Cellular level
B. Acellular level
C. Tissue level
D. organ-system level
Explanation:
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