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[A] : Allopatric species are geographica...

[A] : Allopatric species are geographically isolated whereas sympatric species coexist .
[R] : Allopatric species can be accepted as separate species unless they pass the test of sympatry.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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TRUEMEN BIOLOGY ENGLISH-Ecology -ASSERTION AND REASON
  1. [A] : A biotic community exhibits adaptive radiation . [R] : The org...

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  2. [A] : Every biological system resists a change and wants to remain in ...

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  3. [A] : Allopatric species are geographically isolated whereas sympatric...

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  4. [A] : Natural populations are capable of an enormous and rapid increas...

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  5. [A] : In mutualism both the individuals are benefitted . [R] : Both ...

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  6. [A] : Stenothermal species can tolerate narrow range of temperatures ....

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  7. [A] Eurythermic plants can withstand wide range of temperature . [R...

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  8. [A] : Light is the energy which is stored as chemical energy in the fo...

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  9. [A] : Flora and Fauna of different parts of the world do not show unif...

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  10. [A] : A species is an interbreeding population which is reproductively...

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  11. [A] : Mimicry is a device adopted to protect the organism from its ene...

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  12. [A] : Biological magnification is concentration of substances instead ...

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  13. [A] : The rate of energy storage at consumer levels are referred to as...

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  14. [A] : Primary productivity is shown by green plants only . [R] : Pri...

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  15. [A] : Energy pyramid is sloping . [R] : The energy of one trophic le...

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  16. [A] : The biotic community and the non living enviroment of an ara fun...

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  17. [A] :Green plants ara secondary consumers [R]: Microconsumers break...

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  18. [A] : A food chain is a group of organism in which there is a transfer...

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  19. [A] : Food chains are not paths of energy flow throgh and ecosysterm. ...

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  20. [A] : There is a grudual increase in the energy content at successive ...

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