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Bilateral symmetry, metameric segmentation, true coelom and open circulatory system are the features of:

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Important Questions on Animal Kingdom

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The animals in which cleavages are radial and indeterminate and possess enterocoelom are generally:
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Write the difference between unisexual and bisexual animals. Give one example of each.
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Identify the correct statement with reference to 'Enterocoelomates'.
A Body cavity is formed from endodermal pouches
B. They display determinate type of cleavage
C. Enterocoelomates are deuterostomes
D. Hemichordates are enterocoelomates
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Which of the following features is not present in the phylum Arthropoda?
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Which one of the following phyla is a pseudocoelomate?
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Match the following.

Sub Division Character Example
a Acoelomata i Coelom is formed by archenteron p Mollusca
b Pseudocoelomata ii Without a body cavity q Hemichordata
c Schizocoelomata iii Body cavity should not lined by mesodermal layers r Nematoda
d Enterocoelomate iv Coelom is formed by splitting of mesoderm s Platyhelminthes
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Bilaterally symmetrical and acoelomate animals are exemplified by
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Which of the following phyla possess body cavity as shown in the diagram below?

Question Image

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Match the species in Column-I with their respective feature of body organisation in Column-II
  Column-I   Column-II
P Mollusca i Pseudocoelom
Q Annelida ii Radula
R Nematoda iii Radial symmetry
S Echinodermata iv Segmentation

Choose the CORRECT combination.

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The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Principal type of symmetry in triploblastic animals
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Which of the following characteristics is mainly responsible for the diversification of insects on land?
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True symmetry found in an animal which can be divided into two similar halves by one plane only is ____.
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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
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Bombyx mori (silk worm) belongs to the order
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Match the different types of heart given in column A with organisms given in column B. Choose the correct combination.
 
Column A Column B
P. Neurogenic heart. i. Human
Q. Bronchial heart. ii. King crab
R. Pulmonary heart. iii. Shark
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Match the following and choose correct combination.

Column I Column II
i) Cellular grade level a) Pheretima
ii) Tissue grade level b) Schistosoma
iii) Organ level c) Obelia
iv) Organ system level d) Sycon
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Consider following features:

  • Organ system level of organisation
  • Bilateral symmetry
  • True coelomates with segmentation of body.

Select the correct option of animal group which possess all the above characteristics:

MEDIUM

Match the following

   List - I     List - II
(a) Asymmetry (i) Cnidaria
(b) Radial symmetry (ii) Platyhelminthes
(c) Bilateral symmetry and Enterocoelom (iii) Porifera
(d) Bilateral symmetry without body cavity (iv) Hemichordata

The correct answer is