Class 9 ICSE Biology Specimen Paper. We covered all the Class 9 ICSE Biology Specimen Paper MCQs in this post for free so that you can practice well for the exam.
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Class 9 ICSE Biology Objective Specimen Paper for Students
Darwin’s theory of natural selection is based on
(a) Overproduction for existence and variation
(b) Struggle
(c) Survival of the fittest
(d) All of the above
Option d – All of the above
The book ‘The Origin of Species was written by
(a) Linnaeus
(b) Lamarck
(c) Mendel
(d) Darwin
Option d – Darwin
In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of
(a) use and disuse of organs.
(b) adaptation to living in burrows.
(c) natural selection.
(d) inheritance of acquired characters.
Option a – use and disuse of organs
Which of the following is the correct pair?
(a) Darwin – Use and disuse of organs
(b) de Vries – Mutation theory
(c) Lamarck – Origin of life
(d) Haldane – Law of heredity
Option b – de Vries – Mutation theory
The diversity of living organisms is due to
(a) instant changes
(b) polyploidy
(c) long-term evolutionary changes
(d) short-term evolutionary changes
Option c – long-term evolutionary changes
Fitness according to Darwin refers to
(a) reproductive fitness
(b) physiological fitness
(c) spiritual fitness
(d) None of the above
Option a – reproductive fitness
The theory of natural selection was given by
(a) Lamarck
(b) Darwin
(c) Alfred Wallace
(d) JBS Haldane
Option b – Darwin
The phrase ‘Survival of the fittest as a way of describing the mechanism of natural selection was coined by
(a) Louis Pasteur
(b) Charles Babbage
(c) Herbert Spencer
(d) Marie Curie
Option c – Herbert Spencer
The present giraffe has a long neck as compared to its ancestors. Lamarck believed it could be due to
(a) natural selection
(b) isolation
(c) inheritance of acquired characters
(d) speciation
Option c – inheritance of acquired characters
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