EASY
Earn 100

Evidence that evolution of life forms has indeed taken place on earth has come from:-

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Important Questions on Evolution

HARD
Biology>Genetics and Evolution>Evolution>Origin of Life

Describe the Oparin Haldane theory of Origin of life.

EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Theory of Biogenesis was proposed by
HARD
Biology>Genetics and Evolution>Evolution>Origin of Life
Describe S.L Miller's experiment. Comment on the observations he made and his contribution towards the origin of life on Earth.
MEDIUM
Biology>Genetics and Evolution>Evolution>Origin of Life
The origin of life on earth is known as 
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Who proposed that the first form of life could have come from pre-existing non-living organic molecules?
HARD
Biology>Genetics and Evolution>Evolution>Origin of Life
Write briefly the chemical origin of life on earth.
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
The primary gases that were used by Miller in his experiment are
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Mention two assumptions of oparin and Haldane with reference to 'origin of Life'.
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Which of the following is an example of convergent evolution?
MEDIUM
Biology>Genetics and Evolution>Evolution>Origin of Life

Assertion (A): There is a sufficient reason to believe that first cells on the planet lived in an atmosphere lacking oxygen.
Reason (R): Thus even all living organisms retain the enzymatic mechanism to completely oxidise glucose without the help of oxygen. 

The correct option among the following is:

EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Explain the concept of ‘struggle for existence’.
HARD
Biology>Genetics and Evolution>Evolution>Origin of Life
Which of the following is the correct sequence of events in the origin of life?
(i) Formation of protobionts
(ii) Synthesis of organic monomers
(iii) Synthesis of organic polymers
(iv) Formation of DNA-based genetic systems
MEDIUM
Biology>Genetics and Evolution>Evolution>Origin of Life
Which theory states, "Life arises from pre-existing organisms"?
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
What are the coacervates?
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Biology>Genetics and Evolution>Evolution>Origin of Life
Draw a neat labelled diagram of Miller's experiment.
HARD
Biology>Genetics and Evolution>Evolution>Origin of Life
Describe Oparin-Haldane theory on the origin of life.
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
Sketch and label Miller's experiment.
EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask
MEDIUM
Biology>Genetics and Evolution>Evolution>Origin of Life

Read the statements and identify the right option:

StatementI: Due to continental drift pouched mammals of Australia survived.
Statement II: South America joined North America due to continental drift.

EASY
Biology>Genetics and Evolution>Evolution>Origin of Life
After about how many years of formation of earth, life appeared on this planet?