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Earn 100

The organisms which evolved into first amphibians were
(a)Sauropsids
(b)Coelacanth
(c)Ichthyosaurs
(d)Synapsids

50% studentsanswered this correctly
Important Questions on Evolution
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LIST-I | LIST-II | ||
A | The golden age of reptiles | I | Carboniferous period |
B | Age of amphibians | II | Cenozoic era |
C | The golden age of fishes | III | Mesozoic era |
D | Age of mammals | IV | Devonian period |
V | Silurian period |
The correct match is

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Study the following table
. | Group | Ancestors | Evolved in |
Pisces | Osteolepids | Silurian period | |
Amphibia | Osteolepids | Devonian period | |
Reptilia | Labyrinthodonts | Jurassic period | |
Aves | Therapsids | Carboniferous period | |
Mammalia | Therapsids | Triassic period |

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Statement I: Organs which have similar structure and origin but perform different functions are called analogous organs.
Statement II : The sudden appearance of some vestigial organs in a better developed condition is called atavism
The correct option among the following is

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Match the following
Set-I | Set-II | ||
(A) | Cyanognathus | (I) | Reptiles & birds |
(B) | Archaeopteryx | (II) | Amphibians & reptiles |
(C) | Seymouria | (III) | Reptiles & mammals |
(D) | Eusthenopteron | (IV) | Protochordates & fishes |
(V) | Fishes & amphibians |
The correct match is

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