History of Life on Earth
What are RNA catalysts called?
RNAse
RNA initiator
RNA polymerase
ribozymes
ribozymes
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In which of following mallus and incus bones are present?A. jaw
B. ear
C. hand
D. feet
Event during which a large number of species go extinct is called:
A. wipe out
B. mass death
C. mass extinction
D. eons
Inner membranes of mitochondria have transport systems similar to those of
A. archaea
B. prokaryotes
C. eukaryotes
D. viruses
How many mass extinctions have been documented in fossil history?
A. 2
B. 3
C. 4
D. 5
Another supercontinent has been expected to form in how many million years from now?
A. 1
B. 3
C. 250
D. 900
In each mass extinction, what is average percentage of marine animals that went extinct?
A. 10
B. 20
C. 40
D. 50
How many million years ago did therapsids exist?
A. 280
B. 400
C. 500
D. 100
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