History of Life on Earth

History of Life on Earth
Which of following was longest eon?
Phanerozoic eon
hadean
Archaean
Proterozoic
Author: rikazzz Comment
History of Life on Earth
What are last billion years on earth called?
Phanerozoic eon
hadean
Archaean
Proterozoic
Author: rikazzz Comment
History of Life on Earth
Which of following is called age of reptiles?
Proterozoic
Mesozoic
hadean
Archaean
Author: rikazzz Comment
History of Life on Earth
For which of following canine teeth are used?
grinding
tearing
crushing
piercing
Author: rikazzz Comment
History of Life on Earth
Which of following name was given to supercontinent formed 250 million years ago?
Pangea
Orgea
super mass
continental mass
Author: rikazzz Comment
History of Life on Earth
Cell in which an endosymbiont life is called:
host cell
hold cell
control cell
replicative cell
Author: rikazzz Comment
History of Life on Earth
For how many billion years first three eons lasted?
1
2
3
4
Author: rikazzz Comment
History of Life on Earth
Which of following do not belong to tetrapods?
mammals
reptiles
arachnids
amphibians
Author: rikazzz Comment
History of Life on Earth
Articular and quadrate bones formed which of following in synapsids?
jaw hinge
shoulder
hand
leg
Author: rikazzz Comment
History of Life on Earth
For how many million years origin of earth is to be estimated?
100
3000
2000
4600
Author: rikazzz Comment

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