EASY
Earn 100

Branching descent and natural selection are the two key concepts of

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Important Questions on Human Evolution

HARD
Science>Biology>Human Evolution>Theories of Evolution
Explain the evolution of long neck of giraffe according to Charles Darwin.
HARD
Science>Biology>Human Evolution>Theories of Evolution
Write salient features of Darwin's theory of Evolution
MEDIUM
Science>Biology>Human Evolution>Theories of Evolution
What is reproductive fitness? Explain it with the help of an example.
HARD
Science>Biology>Human Evolution>Theories of Evolution
The theory of inheritance of acquired characters was proposed by:
MEDIUM
Science>Biology>Human Evolution>Theories of Evolution
Darwin's theory is based on
HARD
Science>Biology>Human Evolution>Theories of Evolution
"Survival of the fittest", explain the statement with the help of Darwin's theory.
HARD
Science>Biology>Human Evolution>Theories of Evolution

Give one significant contribution of the following scientist.

Wallace

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Science>Biology>Human Evolution>Theories of Evolution
The theory of natural selection was proposed by
MEDIUM
Science>Biology>Human Evolution>Theories of 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?
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Science>Biology>Human Evolution>Theories of Evolution
Jean-Baptiste Lamarck explained evolution based on:
EASY
Science>Biology>Human Evolution>Theories of Evolution
Describe the salient features of Lamarck's theory of inheritance of acquired characters.
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Science>Biology>Human Evolution>Theories of Evolution
Descent of man & selection in relation to sex was written by ___.
HARD
Science>Biology>Human Evolution>Theories of Evolution
Organisms and their organs constantly increase in size., which theory is depicted by the statement?
MEDIUM
Science>Biology>Human Evolution>Theories of Evolution
Why coacervates are called primitive cells?
EASY
Science>Biology>Human Evolution>Theories of Evolution
'Inheritance of acquired characters' was proposed by
HARD
Science>Biology>Human Evolution>Theories of 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
Science>Biology>Human Evolution>Theories of Evolution
The book 'Origin of Species' was written by
HARD
Science>Biology>Human Evolution>Theories of 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.

EASY
Science>Biology>Human Evolution>Theories of Evolution
The idea of survival of the fittest was proposed by
HARD
Science>Biology>Human Evolution>Theories of Evolution
Natural selection means