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Assertion : In photosynthesis oxygen evo...

Assertion : In photosynthesis oxygen evolved comes from water.
Reason: The evolution of oxygen and reduction of `CO_2` during photosynthesis takes place due to photolysis of water

A

If both Assertion and Reason are true and Reason is correct explaination of Assertion.

B

If both Assertion and Reason are true but Reason is not correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-PHOTOSYNTHESIS IN HIGHER PLANTS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS )( D.ASSERTION TYPE QUESTIONS ):
  1. Assertion : Photorespiration retards the products of light reaction in...

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  2. Assertion : Action spectrum of Chl.a follow the absorption spectrum in...

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  3. Assertion : The role of phycobilins in photosynthesis is to absorb and...

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  4. Assertion : In photosynthesis oxygen evolved comes from water. Reaso...

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  5. Assertion : Red and blue light support the highest rate of synthesis. ...

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  6. Assertion : Algae float in water during daytime and sink during night ...

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  7. Assertion : The dark reaction in photosynthesis is called because it d...

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  8. Assertion : C4 plants form food more rapidly more efficiently in photo...

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  9. Assertion : In C4 plants end product of CO2 fixation is oxalo-acetic a...

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  10. Assertion : In all C4 plants, photorespiration takes place. Reason:...

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  11. Assertion : Chlorophyll is soluble in ethyl ether and acetone. Reaso...

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  12. Assertion : Etiolated plants are formed due to lack of light. Reason:...

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  13. Assertion : The sequence of dark reaction of photosynthesis was discov...

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  14. Assertion : CO2 is utilized in dark reaction of photosynthesis. Reaso...

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  15. Assertion : The role of chlorophyll in photosynthesis is absorption of...

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  16. Assertion : photosynthetic pathway is more efficient than the C3 path...

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  17. Assertion. The atmospheric concentration of CO(2) at which photosynthe...

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  18. Asserion : Long distance flows of photoassimilates in plants occurs t...

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  19. Assertion (A) Under condition of high light intensity and limited CO(2...

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  20. Assertion: Photosynthetically C(4) plants are less efficient than C(3)...

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