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SAI International School
Subject- Biology
Chapter- Heredity And Evolution
Subtopic- Charles Darwin, Origin of life, Organic and Chemical
evolution, Speciation
Module-26
Home Assignment-I

Objective- MCQ

With whom you can associate theory of evolution?
1. a. Charles Darwin
b. Mendel
c. Stanley miller
d. Harold Urey
2. The theory of evolution of species by natural selection was given by
a. Mendel
b. Darwin
c. Morgan
d. Lamarck
3. Who proposed the hypothesis that life must have developed from the simple
inorganic molecules which were present on earth soon after it was formed?
a. Miller
b. Urey
c. Darwin
d. Haldane
4. The process by which new species develop from the existing species is known as
a. Evolution
b. Natural selection
c. Artificial selection
d. Speciation
5. Natural selection is called ‘survival of the fittest’. Which of the following statements best
describes an organism?
a. How strong it is compared to other individuals of the same species.
b. How much food and resources it is able to gather for its offspring.
c. The ability to adapt to the environment in the niche it occupies.
d. The number of fertile offspring it has.
6. The two key factors responsible for speciation among populations are:
a. mutation and heterozygote disadvantage
b. reproductive isolation and genetic divergence
c. postzygotic isolation and morphological change
d. mutation and genetic drift
7. Which scientist suggested that life originated from inorganic molecules?
a. Miller

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