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Which one of the following correctly des...

Which one of the following correctly describes the homologous structures?

A

Organs with anatomical similarities, but performing different functions.

B

Organs with anatomical dissimilarities, but performing same function.

C

Organs that have no function now, but had an important function in ancestors.

D

Organs appearing only in embryonic stage and disappearing later in the adult.

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The correct Answer is:
A
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AAKASH SERIES-EVOLUTION-EXERCISE - I (EVIDENCES FOR EVOLUTION)
  1. The fossils include

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  2. From fossil recods, it may be conducted that evolution has taken place...

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  3. Fossil X is older than fossil Y because

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  4. In evolution the studies can be made at molecular level. For example, ...

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  5. Wings of butterfly and that of birds are good examples of

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  6. An important evidence in favour of organic evolution is the occurrence...

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  7. Which one of the following correctly describes the homologous structur...

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  8. Which one of the following groups of structures/organs have similar fu...

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  9. In evolution the studies can be made at molecular level. For example, ...

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  10. The given figure shows an example of -

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  11. Which one among the following is an example for homology?

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  12. Which one of the following options gives one correct example each ...

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  13. Refer the given figure. What does it represent?

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  14. The preserved fossil remains of Archaepteryx show that

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  15. What can you infer about the strcutures shown in figure ?

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  16. Following diagram provides an example of

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  17. Palaentological evidences for evolution form to the .

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  18. The bones of forelimbs of whale , bat , cheetah and man are similar i...

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  19. Analogous organs arise due to

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  20. Fossils are generally found in

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