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Calotes versicolor is a

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Important Questions on Classification

EASY
Science>Biology>Classification>Chordata
Select the taxon that represents both marine and freshwater species.
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Science>Biology>Classification>Chordata
An important characteristic that Hemichordates share with Chordates is
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Science>Biology>Classification>Chordata
Which one of the following living organisms completely lacks a cell wall?
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Science>Biology>Classification>Chordata
Which is the National Aquatic Animal of India?
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Science>Biology>Classification>Chordata
Metagenesis refers to:
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Science>Biology>Classification>Chordata
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system
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Science>Biology>Classification>Chordata
In the case of Poriferans, the spongocoel is lined with flagellated cells called
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Science>Biology>Classification>Chordata

Name the classes of Tetrapoda that exhibit the following characters:

Column (A) Column (B)
Acrodont Thecodont
10 pairs cranial nerves 12 pairs cranial nerves
Cold-blooded Warm-blooded
Amphicoelous vertebrae Amphiplatyan vertebrae
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Science>Biology>Classification>Chordata
The chitinous exoskeleton of arthropods is formed by the polymerization of:
EASY
Science>Biology>Classification>Chordata
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
HARD
Science>Biology>Classification>Chordata
Which among these is the correct combination of aquatic mammals?
EASY
Science>Biology>Classification>Chordata
Which of the following features is not present in the phylum Arthropoda?
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Science>Biology>Classification>Chordata
A marine cartilaginous fish that can produce electric current is:
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Science>Biology>Classification>Chordata
Water vascular system is found in ___.
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Science>Biology>Classification>Chordata
Identify the differences between Chondrichthyes and Osteichthyes:
a) Chondrichthyes have gill slits covered by operculum and Osteichthyes have gill slits without operculum
b) Chondrichthyes have a swim bladder and Osteichthyes do not have a swim bladder
c) Chondrichthyes contain placoid scales and Osteichthyes contain cycloid scales
d) Chondrichthyes contain terminal mouth and Osteichthyes contain ventral mouth
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Science>Biology>Classification>Chordata

Which of the key adaptations helped evolutionary success of Reptiles on land?

A Warm-bloodedness

B. Pulmonary respiration and dry scaly skin

C. Internal fertilisation

D. Amniotic & Cleidoic eggs

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Science>Biology>Classification>Chordata

Statement I: Sternum appeared for the first time in amphibians.
Statement II: Snakes have 10 pairs of cranial nerves.

The correct option among the following is

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Science>Biology>Classification>Chordata
Which of the following characteristics is mainly responsible for the diversification of insects on land?
EASY
Science>Biology>Classification>Chordata
Which one of the following characteristics is not shared by birds and mammals?
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Science>Biology>Classification>Chordata
Which one of these animals is not a homeotherm?