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What is meant by organic evolution?

Important Questions on Evolution

MEDIUM
Biology>Genetics and Evolution>Evolution>Biological Evolution
Why coacervates are called primitive cells?
HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution
Write salient features of Darwin's theory of Evolution
HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution
Explain the evolution of long neck of giraffe according to Charles Darwin.
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Biology>Genetics and Evolution>Evolution>Biological Evolution
Describe the salient features of Lamarck's theory of inheritance of acquired characters.
MEDIUM
Biology>Genetics and Evolution>Evolution>Biological Evolution
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?
HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution
The theory of inheritance of acquired characters was proposed by:
MEDIUM
Biology>Genetics and Evolution>Evolution>Biological Evolution
What is reproductive fitness? Explain it with the help of an example.
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Biology>Genetics and Evolution>Evolution>Biological Evolution
The theory of natural selection was proposed by
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Biology>Genetics and Evolution>Evolution>Biological Evolution
Jean-Baptiste Lamarck explained evolution based on:
HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution

According to the Darwinian theory of natural selection, the rate of appearance of new forms is linked to the life cycle or the life span of an organism. Explain with the help of an example.

HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution
Organisms and their organs constantly increase in size., which theory is depicted by the statement?
EASY
Biology>Genetics and Evolution>Evolution>Biological Evolution
Descent of man & selection in relation to sex was written by ___.
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Biology>Genetics and Evolution>Evolution>Biological Evolution
'Inheritance of acquired characters' was proposed by
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Biology>Genetics and Evolution>Evolution>Biological Evolution
"Survival of the fittest", explain the statement with the help of Darwin's theory.
MEDIUM
Biology>Genetics and Evolution>Evolution>Biological Evolution
Darwin's theory is based on
HARD
Biology>Genetics and Evolution>Evolution>Biological Evolution

Fill the blanks in Columns A and B using appropriate terms.

Theory Scientists
(a) Theory of natural selection A
(b) Use and Disuse of Organs B
(c) Theory of Mutation C
(d) Theory of spontaneous generation D
EASY
Biology>Genetics and Evolution>Evolution>Biological Evolution
The book 'Origin of Species' was written by
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Biology>Genetics and Evolution>Evolution>Biological Evolution

Give one significant contribution of the following scientist.

Wallace

EASY
Biology>Genetics and Evolution>Evolution>Biological Evolution
The idea of survival of the fittest was proposed by
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Biology>Genetics and Evolution>Evolution>Biological Evolution
Natural selection means