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Coelenterata Ctenophora - Questions and Answers

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111. In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through
A. Mouth and tentacles
B. Mouth and body wall
C. Mouth and mouth
D. Body wall and body wall
Explanation:
112. Which part of Hydra is without supporting lamella?
A. Basal disc
B. Central part of pedal disc
C. Tentacles
D. None of the above
Explanation:
113. Which part of Hydra is without nematoblasts?
A. Pedal disc
B. Tentacles
C. Manubrium
D. Stomach region
Explanation:
114. Animals with self fertilization is
A. Paragonimus
B. Dugesia
C. Taenia solium
D. None of the above
Explanation:
115. Nematocysts occur in phylum
A. Coelenterata
B. Nematoda
C. Porifera
D. Annelida
Explanation:
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