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UPSC CAPF AC Paper - I
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Which one of the following is an example of vestigial organ in man?

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Important Questions on Biology

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 7
In terms of the evolution of organisms, which one among the following is the most advanced?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 8
Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 9
Consider the following statements
1. Pasteur's swan neck experiment proved that new organisms arise from pre-existing ones.
2. Theory of Use and Disuse of Organs was given by Lamarck.
3. Darwin wrote the book 'On the Origin of Species by Means of 'Natural Selection' in 1859.
4. Lamarck wrote the book 'Philosophie Zoologique'.
Which of the statements given above are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 10
A tree species in Mauritus failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 11
Consider the following statements
1. Hugo de Vries gave the Mutation Theory to explain the mechanism of evolution.
2. Mutations are discontinuous variations also called Saltatory Variation.
3. Mutations are the ultimate source of organic variations.
Which of the statements given above are correct about mutation?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 12

Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 13
Consider the following statements
1. Homologous organs are common origin with different functions.
2. Analogous organs are different origin but perform similar function in different organisms.
3. Vestigial organs are non-functional and rudimentary organs in an organism which are fully developed and functional in phylogenetically related organisms.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 3>Q 14
Select the correct answer.
1. Lung fish
2. Spiny ant eater
3. Tortoise
Which of the organism(s) given above is/are connecting links?