Define 'natural selection'.

Important Questions on Heredity and Evolution

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Long Answer Type Questions>Q 38

"Only variations that confer an advantage to an individual organism will survive in a population". Do you agree with this statement? Give a reason for your answer.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 39

In evolutionary terms, we have more in common with

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 40

The human species has genetic roots in

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 41

Which of the following gas was not present in early earth atmosphere?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 42

A gradual change, over a long period, in a form of life is known as

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 43

Scientists believe that all life originated in

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 44

According to scientists, aves have evolved from

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 45

The theory of evolution of species by natural selection was given by