TS EAMCET Medical 8 May 2019 Shift 2 Paper

Question : 24 of 159

Marks: +1, -0

Assertion (A): In PS I. the reaction centre, chlorophyll 'a' has an absorption peak at 700 inn. hence is called P700. while in PS II. it has absorption maxima at 680 run and is called P680.
Reason (R): Calvin pathways occur in all photosynthetic plants, it does not matter where they have C3 or C4 pathways and the Calvin cycle described hi three stages: Carboxylation. reduction and regeneration.
The correct answer is:

Both (A) and (R) are true. (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true but (R) is false.
(A) is false but (R) is true.

Validate

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