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Important Questions on Heredity and Evolution

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Science>Biology>Heredity and Evolution>Speciation

Why are traits acquired during the lifetime of an individual not inherited?

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Science>Biology>Heredity and Evolution>Speciation
What would you understand by geographical isolation? Will this be a major factor in the speciation of a self-pollinating plant species? Why or why not?
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Science>Biology>Heredity and Evolution>Speciation
Enumerate (in any six points) the basis of Darwin theory of natural selection.
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Science>Biology>Heredity and Evolution>Speciation
Define 'Species'. What are the important factors leading to the rise of a new species?
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Science>Biology>Heredity and Evolution>Speciation
The largest unit in which gene flow is possible is;
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Science>Biology>Heredity and Evolution>Speciation

We have more similarities with _____ in evolutionary terms. (chimpanzees, rabbit, cat, camel).

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Science>Biology>Heredity and Evolution>Speciation

Mention the factors that could lead to the rise of a new species.

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Science>Biology>Heredity and Evolution>Speciation
What are the different ways in which individuals with a particular trait may increase in a population?
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Science>Biology>Heredity and Evolution>Speciation
The mode of speciation mediated by geographical isolation is referred as
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Science>Biology>Heredity and Evolution>Speciation
Who among the following scientists proposed the theory of natural selection independently of Charles Darwin ?
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Science>Biology>Heredity and Evolution>Speciation
What is Gene flow? How does it occur? Discuss.
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Science>Biology>Heredity and Evolution>Speciation
Population are said to be sympatric when-
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Science>Biology>Heredity and Evolution>Speciation

Explain the following:

Gene Flow

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Science>Biology>Heredity and Evolution>Speciation
Which one of the following gases was not present in the atmosphere of primitive earth ?
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Science>Biology>Heredity and Evolution>Speciation

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Observe the illustration and answer the questions.

Name the Scientists who devised the experimental setup shown above.

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Science>Biology>Heredity and Evolution>Speciation

Answer the questions based on the figure below:

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Explain the series of incidents shown in the figure.

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Science>Biology>Heredity and Evolution>Speciation

Answer the questions based on the figure below:

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Which processes does the figure demonstrate?

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Science>Biology>Heredity and Evolution>Speciation
Describe the facts on which Darwin's theory is based.
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Science>Biology>Heredity and Evolution>Speciation
About what percentage of living species are in danger of extinction?
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Science>Biology>Heredity and Evolution>Speciation
During the course of evolution, the process by which the characteristic features of the members of a species modify due to the influence of various factors and thus give rise to the organisms with new characteristic features is called