Animal Biology

Q: Which member of phylum Coelenterata exhibits polymorphism?

(a) :  Hydra
(b) :  Obelia
(c) :  Aurelia
(d) :  Physalia
(e) :  None of the Above
Answer:  Physalia
Explanation:  

Q: Another name of the phylum Cnidaria is:

(a) :  Coelenterata
(b) :  Anthozoa
(c) :  Scyphozoa
(d) :  None of these
(e) :  None of the Above
Answer:  Coelenterata
Explanation:  

Q: __________ are internal buds containing archaeocytes, mostly found in freshwater sponges concerned with asexual reproduction.

(a) :  Gemmules
(b) :  Monoecious
(c) :  Scleroblast
(d) :  Archaeocytes
(e) :  None of the Above
Answer:  Gemmules
Explanation:  

Q: No distinct tissues or organs are present in:

(a) :  Starfish
(b) :  Spongilla
(c) :  Serpula
(d) :  Sepia
(e) :  None of the Above
Answer:  Spongilla
Explanation:  

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