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Agriculture · Q98

Plant Pathology

Graduate and Post Graduate · Agriculture · question 98

Q98

The site for light reaction is

A.
Grana
Answer
B.
Stroma
C.
ER
D.
Cytoplasm

Answer: Option A

Solution

Answer: Option A
Solution:
The site for the light reaction is Grana.
The light reaction takes place in Grana i.e. in the discs of the thylakoid. There, water (H2O) is oxidized and oxygen (O2) is released.
The electrons freed up from water are transferred to ATP and NADPH. The dark reaction occurs outside of the thylakoids.
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