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Kingdom Animalia Metazoa - Questions and Answers

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251. Larva occurs in
A. Invertebrates
B. Vertebrates
C. Both A and B
D. None of the above
Explanation:
252. One example of animals having a single opening to the outside that serves both as mouth as well as anus is
A. Asterias
B. Ascidia
C. Fasciola
D. Octopus
Explanation:
253. Which animals do not exhibit radial symmetry
A. Coelenterata
B. Ctenophora
C. Annelids
D. Echinoderms
Explanation:
254. Which one has a biradial symmetry?
A. Cockroach
B. Jelly fish
C. Sea Anemone
D. Paramoecium
Explanation:
255. Space between body wall and alimentary canal lined by mesoderm is
A. Pseudocoelom
B. Acoelom
C. Haemocoel
D. Coelom
Explanation: