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Phylogenetic relationship among plants P,Q,R,S based on their shared characters is shown in the cladogram below.
Identify the plants P,Q,Rand S in the correct order.

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Important Questions on Evolution

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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
An epidemic of milk-borne gastroenteritis caused by Salmonella was reported in an Indian city in 1985. Faecal samples from suspected individuals were inoculated into Selenite broth (high Selenium concentration) and incubated. After a thorough investigation, it was found that only Salmonella, and not the common gut bacterium Escherichia coli could grow in this medium. The basis of growth of Salmonella in Selenite broth is
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Write salient features of Darwin's theory of Evolution
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms

Which of the following is not related to Darwin’s theory of Evolution?

MEDIUM
Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
What is reproductive fitness? Explain it with the help of an example.
MEDIUM
Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Give the salient features of the theory of Natural Selection proposed by Charles Darwin.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Explain industrial melanism.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
What is the modern synthetic theory of evolution? Explain.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Describe the salient features of Lamarck's theory of inheritance of acquired characters.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Organisms and their organs constantly increase in size., which theory is depicted by the statement?
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms

Fill the blanks in Columns A and B using appropriate terms.

Theory Scientists
(a) Theory of natural selection A
(b) Use and Disuse of Organs B
(c) Theory of Mutation C
(d) Theory of spontaneous generation D
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Explain the evolution of long neck of giraffe according to Charles Darwin.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Following are the two statements regarding the origin of life:

(i) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

(ii) The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Of the above statements which one of the following options is correct?
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Why coacervates are called primitive cells?
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms

What is denoted by the given diagram?

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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
What is organic evolution? Write briefly about any four evidences of organic evolution.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Give an example of Connecting Link.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
How does the study of fossils help to understand organic evolution? Support your answer with examples.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Differentiate between directional selection and disruptive selection.
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Which one of the following factors is not included in the 'Modern Synthetic theory' of evolution?
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Biology>Genetics and Evolution>Evolution>Evolution of Life Forms
Natural selection means