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According to theory of biogenesis, the

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Important Questions on Evolution

EASY
Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Select the CORRECT match.
MEDIUM
Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Which theory states, "Life arises from pre-existing organisms"?
HARD
Biology>Genetics and Evolution>Evolution>Theories of Evolution 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
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Variations caused by mutation, as proposed by Hugo de Vries, are:
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Theory of Biogenesis was proposed by
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
The idea of survival of the fittest was proposed by
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
What is the theory of spontaneous generation? Name the scientist who dismissed it.
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Mention two assumptions of oparin and Haldane with reference to 'origin of Life'.
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
The primary gases that were used by Miller in his experiment are
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Which of the following gas was absent in the atmosphere at the time of origin of life?
MEDIUM
Biology>Genetics and Evolution>Evolution>Theories of Evolution 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>Theories of Evolution 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>Theories of Evolution of Life
According to Hugo de Vries, the mechanism of evolution is
MEDIUM
Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Following are the two statements regarding the origin of life:

(i) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

(ii) The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Of the above statements which one of the following options is correct?
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Draw a neat labelled diagram of Miller's experiment.
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Jean-Baptiste Lamarck explained evolution based on:
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Sketch and label Miller's experiment.
MEDIUM
Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Describe four points of the theory of evolution of organisms.
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
After about how many years of formation of earth, life appeared on this planet?
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Biology>Genetics and Evolution>Evolution>Theories of Evolution of Life
Who proposed that the first form of life could have come from pre-existing non-living organic molecules?