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Chapter 18 - Evolution - Test 3
1.
Who believed that sudden change results into new species and not by gradual process of evolution:
1) Lamarck
2) Lyell
3) Darwin
4) Hungo de vries
2.
The difference shown by the individuals of one kind of organisms are called:
1) Evolution
2) Variations
3) Inheritance
4) Natural selection
3.
As per Lamarck s theory, fused tail bones are the result of:
1) Disuse of organ
2) Natural selection
3) Use of organs
4) Variations
4.
According to which scientist, the continued stretching of the neck gave rise to modern giraffes:
1) Darwin
2) Aristotle
3) Lamarck
4) Hungo de vries
5.
New varieties of animals and plants may develop by means of:
1) Artificial selection
2) Breeding methods
3) Natural selection
4) Variation
6.
The favourable variation tends to be:
1) Passed on next generation
2) Remain unnoticed
3) None of A, B & C
4) Eliminated
7.
Which is of the following is not a part of Darwinism:
1) Over-production
2) Competition for survival
3) Inheritance of acquired characters
4) natural selection
8.
Descent with modification is known as __________.
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9.
Variations are due to hereditary and __________ characteristics.
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10.
There are two types of variations i.e. continuous and ___________.
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11.
Intelligences is an example of ___________ variation.
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12.
Change in the genetic material, which occurs gradually or spontaneously is known as ____________.
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13.
The most acceptable theories are Lamark s theory and _________ theory of evolution.
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14.
Lamarckism based on inheritance of _________ characters.
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