MEDIUM
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Chloragogen cells of earthworm are similar to the organ of vertebrate's

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Important Questions on Animal Kingdom

EASY
An important characteristic that Hemichordates share with Chordates is
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The chitinous exoskeleton of arthropods is formed by the polymerization of:
EASY
Which of the following characteristics is mainly responsible for the diversification of insects on land?
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Which one of the following living organisms completely lacks a cell wall?
MEDIUM
Match the following organisms with their respective characteristics:
  Column – I   Column – II
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules

Select the correct option from the following:
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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:
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Bilaterally symmetrical and acoelomate animals are exemplified by
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Which of the following animals does not undergo metamorphosis?
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Which of the following features is not present in the phylum Arthropoda?
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Select the taxon that represents both marine and freshwater species.
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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In the case of Poriferans, the spongocoel is lined with flagellated cells called
MEDIUM

Match the following columns and select the correct option.

  Column-I   Column-II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
MEDIUM
Study the following and pick up the correct statements:
I) Aristotle's lantern is found in echinoids
II) Glochidium is the larva of cephalopods
III) Scorpions respire with book lungs.
IV) Parapodia are found in oligochaetes
EASY
Water vascular system is found in ___.
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Animals of this class in Annelida have definite number of segments.
EASY
Which of the following options does correctly represent the characteristic features of phylum Annelida?