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Light Reactions

Which of the ...

Question

Which of the events listed below occur in the light reactions of photosynthesis?

A

NADPH is reduced to NADP+.

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B

ATP is phosphorylated to yield ADP.

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C

light is absorbed and funneled to reaction-center chlorophyll a.

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D

Generation of 2 ATP moleules

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Solution

The correct option is C.

Light is absorbed and funnelled to reaction-centre chlorophyll a.
Light is absorbed by various pigments and funnelled to the chlorophyll molecule at the reaction center. This leads to the flow of electrons through the ETC, splitting of water and the formation of ATP and NADPH.

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Similar questions

Which of the events listed below occur in the light reactions of photosynthesis?

Q. Which of the following statements are correct?
(a) Photosynthetic ATP synthesis is called photophosphorylation.
(b) Kranz anatomy occurs in leaf.
(c) Reduction in NADP to NADPH occurs during Calvin cycle.
(d) Magnesium occurs in phytol tail of chlorophyll.

The reaction in which ATP and $N A D P H_{2}$ is produced is called

Q. Which of the following events does not occur during the light reaction of photosynthesis?

(1) Photolysis of H

_{2}

O
(2) Reduction of NADPH to NADP+
(3) Evolution of molecular oxygen
(4)Synthesis of assimilatory powers
(5)Conversion of CO

_{2}

to carbohydrates

Q. ________ light is absorbed by the reaction centre during light reaction.

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