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Assertion: Dark reaction occurs only at ...

Assertion: Dark reaction occurs only at night in the stroma of chloroplast
Reason: `CO_(2)` fixation occurs only during `C_(3)` cycle.

A

If both assertion and reason are true and the reason is a correct explanation of the assertion

B

If both assertion and reason are true but reason is not a correct explanation of the assertion.

C

If the assertion is true but reason is false.

D

both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
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A2Z-PHOTOSYNTHESIS IN HIGHER PLANTS-SECTION C : Previous Years' Examination Questions (Assertion -Reason Type Questions)
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  2. Assertion : Six molecules of CO(2)and twelve molecules of NADPH^(+)H^(...

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  3. Assertion : Cyclis pathway of photosythesis first apperead in some eub...

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  4. Asserotion: C(4) photosynthetic pathway is more efficient than the C(3...

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

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  6. Assertion. Under conditions of high intensity and limited CO(2) supply...

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

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  8. Assertion: Dark reaction is purely enzymatic reaction. Reason: It oc...

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  9. Assertion: Dark reaction occurs only at night in the stroma of chlorop...

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  10. Assertion: Amaranthus and sugarcane are called as Hatch and Slack plan...

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  11. Assertion: D.C.M.U. is a photosynthetic inhibitor. Reason: D.C.M.U. ...

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  12. Assertion : The stromal thylakoids are rich in both PS I and PS II R...

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  13. Assertion : Cyclis pathway of photosythesis first apperead in some eub...

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  14. Assertion : Each molecule of ribulose-1 ,5 biphosphate fixes one molec...

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  15. Assertion. In light reaction of photosynthesis, light is required for ...

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  16. Assertion : CAM plants lack structural compartmentation of leaf, as fo...

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