Which pigment takes part in light reaction of photosynthesis?

Xanthophyll

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Chl a

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Carotene

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Phycoxanthin

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Solution

The correct option is B Chl a
Light reaction

Light reaction involves the transfer of electrons from $P S I I$ to $P S I$ on absorption of light energy which results in formation of $A T P$ and $N A D P H$ .

Photosystem

Photosystem is the main site of absorption and transfer of light energy for photosynthesis. They have two parts: Antenna complex and reaction centre.

Chl a

Among the two parts of photosystem, reaction centre is the main site of light reaction. Hence, chl a, the component of the reaction centre is the pigment which takes part in light reaction.

Final answer

(B) Chl a

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Similar questions

Question 29
Chlorophyll-'a' is the primary pigment for the light reaction. What are accessory pigments? What is their role in photosynthesis?

Light reaction of photosynthesis takes place in which part of chloroplast?

Which of the following takes part directly in the process of photosynthesis and is NOT an accessory pigment?

The part of the chloroplast where the light reaction of photosynthesis takes place.

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