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What is the phylum of organisms of genus Ophiura? What type of fertilisation and development do they possess?

Important Questions on Animal Kingdom

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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of these animals is not a homeotherm?
EASY
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of the following living organisms completely lacks a cell wall?
EASY
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Water vascular system is found in ___.
MEDIUM
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Match the following
  Larva   Animals
A Bipinnaria I Sea urchins
B Auricularia II Brittle stars
C Ophiopluteus III Starfishes
D Doliolaria IV Sea lilies
E Echinopluteus V Sea cucumbers

The correct match is

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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
MEDIUM
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Read the following statements.
(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Select the taxon that represents both marine and freshwater species.
MEDIUM
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following features is not present in Periplaneta americana?
EASY
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following characteristics is mainly responsible for the diversification of insects on land?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
An important characteristic that Hemichordates share with Chordates is
EASY
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of the following characteristics is not shared by birds and mammals?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Metagenesis refers to:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
The animals in which cleavages are radial and indeterminate and possess enterocoelom are generally:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
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
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals

Study the following table and pick up the correct combinations.

S.No Class Common name of animals Special feature
I) Echinoidea Sea urchins Aristotle's lantern
II) Cephalopoda Clams Crystalline style
III) Holothuroidea Sea cucumbers Respiratory trees
IV) Gastropoda Squids Torsion
MEDIUM
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following characteristic features always holds true for the corresponding group of animals?
EASY
Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which is the National Aquatic Animal of India?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
In the case of Poriferans, the spongocoel is lined with flagellated cells called
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following features is not present in the phylum Arthropoda?