The Light reaction of Photosynthesis

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The Light reaction of Photosynthesis: Overview

This topic covers concepts, such as, The Light Harvesting Complex, Photosystem I, Photosystem II, Reaction Centre & Light Reaction etc.

Important Questions on The Light reaction of Photosynthesis

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In green leaves, the light and dark reactions occur in

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Identify the wrong statements with respect to ATP synthesis in Chloroplast based on Chemiosmotic hypothesis

A) Proton gradient across the thylakoid membrane increases due to Quinone cycle
B) The movement of protons through F0 leads to decreased pH in stroma of Chloroplast
C) Breakdown of proton gradient is a cause for release of energy
D) Splitting of water molecules produce protons in stroma of chloroplasts

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First reaction in electron transport of Photosynthesis

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What is the entry gate of light harvesting complexes?

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LHC is made of hundreds of _____ molecules.

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LHC is a pigment molecule which absorb all the different wavelengths to make photosynthesis more efficient.

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Light harvesting complexes are made up of

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What is light-harvesting complex?

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Which enzyme is required to reduce NADP?

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Which of the following occurs during light reaction of photosynthesis?

HARD
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The following reaction is 2H2O+2NADPChllight2NADPH2+O2

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Electrons from ferredoxin come back to PS-I when

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The first electron carrier molecule from P700 to NADP+ is believed to be:

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In the pigment system-I, active chlorophyll is:

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Light harvesting complex (LHC) is composed of

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When electron gets transferred to electron carriers which state does the chlorophyll-a molecule attain?

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Photolysis of water was demonstrated by

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Artificial proton acceptor in Hill's experiment is