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Nereis exhibits internal fertilisation.

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Important Questions on Animal Kingdom

MEDIUM
Which one of these animals is not a homeotherm?
EASY
Which one of the following living organisms completely lacks a cell wall?
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Animals of this class in Annelida have definite number of segments.
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Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
MEDIUM
The following are the various external apertures in Pheretima
A) Male genital apertures
B) Spermathecal apertures
C) Nephridiopores
D) Female genital aperture
Arrange the apertures in a correct sequence from the anterior end to the posterior end
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Select the taxon that represents both marine and freshwater species.
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Coelozoic parasite with syncitial epidermis, pseudocoelom and rhabditiform larva during development.
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Which of the following characteristics is mainly responsible for the diversification of insects on land?
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An important characteristic that Hemichordates share with Chordates is
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Which one of the following characteristics is not shared by birds and mammals?
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Which of the following options does correctly represent the characteristic features of phylum Annelida?
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Which of the following animals does not undergo metamorphosis?
MEDIUM
Which of the following features is not present in Periplaneta americana?
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Nephridia are the excretory organ of .
(Protozoans, Coelenterates, Flatworms, Annelids) 
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In the case of Poriferans, the spongocoel is lined with flagellated cells called
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The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Which of the following features is not present in the phylum Arthropoda?