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[A] : The increasing daylength increases...

[A] : The increasing daylength increases gonadial development in fishes , birds and mammals .
[R] : Photoperiod is an important factor in inducing diapause .

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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TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : Ecology is the study of interrelationship between living organis...

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  2. [A] : A Population is a unit of evolution . [R] : Natural selection ...

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  3. [A] : The increasing daylength increases gonadial development in fishe...

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  4. [A] : The tropical rain forests are rich in biodiversity on this biosp...

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  5. [A] : The community that ends in a succession is known as climax commu...

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  6. [A] : A biotic community exhibits adaptive radiation . [R] : The org...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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