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Kingdom Animalia Metazoa - Questions and Answers

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136. Nerve cells do not occur in
A. Nematodes
B. Mosquitoes
C. Sponges
D. Coelenterates
Explanation:
137. Sponges have evolved from
A. Ciliates
B. Flagellates
C. Protozoans
D. Choanoflagellates
Explanation:
138. Bath sponge is generally found in
A. Red Sea
B. Gulf of Mexico
C. Pacific Islands
D. Mediterranean sea
Explanation:
139. A sponge harmful to oyster industry is
A. Spongilla
B. Euspongia
C. Hyalonema
D. Cliona
Explanation:
140. Incurrent canals are lined by
A. Choanocytes
B. Pinacocytes
C. Porocytes
D. None of the above
Explanation: