Charles Robert Darwin


 
 
Concept Explanation
 

Charles Robert Darwin

Charles Robert Darwin (1809-1882): He was a British naturalist who formulated his hypothesis that evolution took place due to natural selection and proposed the theory of natural selection, also known as Darwinism. He was an accomplished naturalist and he also conducted studies on the role of earthworms in soil fertility.

Darwin’s theory was based on inherited traits and their variations. The four observations are:

v     1.    Individuals within a species differ from each other, there is variation.

      2.    Offsprings resemble their parents; their characteristics are inherited.

      3.    The number of offsprings produced are more than the number survived to reach maturity. They suffer from predation, disease and competition.

      4.    Populations remain fairly constant in size.

Sample Questions
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Question : 1

Which of the following are correct ?

(a) The British naturalist Charles Robert Darwin observed that offspring do not resemble their parents.

(b) The theory of natural selection, is known as Darwinism. 

(c) The British naturalist Charles Robert Darwin observed that Individuals within a species differ from each other.

Right Option : B
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Question : 2

The theory of natural selection was popularised by the book origin of species, written by __________

Right Option : B
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Question : 3

The hypothesis that evolution took place due to natural selection was given by ____________________ .

Right Option : B
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Explanation
 
 
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