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Question

Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would be


A

to determine if they have thylakoids in the chloroplasts.

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B

to test for liberation of O2 in the light.

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C

to test for CO2 fixation in the dark.

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D

to do experiments to generate an action spectrum

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Solution

The correct option is B

to test for liberation of O2 in the light.


Oxygen is released during non-cyclic photophosphorylation in which both PS1 and PS 2 are involved.

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