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Assertion :- All mammals like whales, ba...

Assertion :- All mammals like whales, bats cheetah and human etc. share similarities in the pattern of bones of forelimbs.
Reason :- Eutherians show good example of divergent evolution.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is a not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are false.

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A
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Pattern of bones in forelimbs of humans and wings of bat are an example of

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Forelimbs of whale bat, cheetah and human do not show- a. Similarities in the pattern of bones b. Adaptive radiation c. Analogous organs d. Convergent evolution e. Divergent evolution f. Different structures evolving for same functions

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because.

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because.

A. The conditions primitive on earth (before the origin of life) were : low temperature, volcanic storms, reducing atmosphere containing Ch_(4),NH_(3) , etc. B. Cheetah and humans share similarities in the pattern of bones of forelimbs. C. In a collection of moths made in the 1850s i.e., before industrialization set in, it was observed that there were more dark-winged moths on trees than white-winged moths. D. Branching descent and natural selection are the two key concepts of Darwinian theory of evolution. E. The Neanderthal man with a brain size of 1400 cc lived in east and central Asia 25,000-10,000 years age. Which set of given statements are correct ?

Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

How many of the following are examples of homologus structures in plant : (a) Eyes of octapus and mammal (b) Potato and sweet potato (c) Forelimbs of whale, bat cheetah and human (d) Vertebrate heart (e) Thorn of bougainvillea and tendril of cucurbita (f) Potato and corrot (g) Potato and radish

ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-IV (ASSERTION & REASON)
  1. Assertion :- Birds and dinosaurs are close relatives to each other. ...

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  2. Assertion :- In England, before industrialisation, it was observed tha...

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  3. Assertion :- In a mixed population those that can better-adapt, surviv...

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  4. Assertion :- Australian marsupials can be taken as an example of adapt...

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  5. Assertion :- Tasmanian wolf and Placental wolf are the good example of...

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  6. Assertion :- The rate of appearance of new forms is liked to the life ...

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  7. Assertion :- According to Lamarck, evolution of life forms had occured...

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  8. Assertion :- According to Hugo de Vries , it is mutation which causes ...

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  9. Assertion :- Due to continental drift pouched mammals of Australia sur...

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  10. Assertion :- Big-Bang theory talks of a singular huge explosion unimag...

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  11. Assertion :- All mammals like whales, bats cheetah and human etc. shar...

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  12. Assertion :- Branching descent and Natural selection are the two key c...

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  13. Assertion :- Analogous structures are a result of convergent evolution...

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  14. Assertion :- The original drifted population in new habitat becomes fo...

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  15. Assertion :- Homologous organs suggest same origin. Reason :- Organs...

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  16. Assertion :- Origin of virus like structure is an example of retrogres...

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  17. Assertion :- The aquatic mammals like Dolphins whales etc. do not cont...

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  18. Assertion :- Dog fish and Whale are example of Homology. Reason : An...

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  19. Assertion :- Dog fish and Whale are example of Homology. Reason : An...

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  20. Assertion :- Darwin's finches are classical example of natural selecti...

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