Photochemical Phase of Photosynthesis

IMPORTANT

Photochemical Phase of Photosynthesis: Overview

This Topic covers sub-topics such as Noncyclic Photophosphorylation, Chemiosmotic Hypothesis, Cyclic Photophosphorylation, Photo Phosphorylation, Cytochrome, Absorption Spectrum, Nicotinamide Adenine Dinucleotide Phosphate, Light Reaction and, ATP Synthase

Important Questions on Photochemical Phase of Photosynthesis

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Through the use of oxygen-18 (heavy oxygen), scientists have found that the oxygen released during photosynthesis comes from molecules of:

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Which one of the following categories of organisms do not evolve oxygen during photosynthesis?

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The specific functionof light energy in the process of photosynthesis is to:

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Which of the following combinations is required for chemiosmosis?

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The reaction centre in PS II has an absorption maxima at

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A lower value of pH is maintained in the lumen of thylakoid of chloroplasts is due to:

I. Movement of protons across the membrane through CF0 channel.

II. Release of protons by proton carrier into the lumen.

III. Oxidation of water molecule.

IV. Reduction of NADP+ towards stroma.

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Replenishment of electrons in PS-II is mainly done by:

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The chlorophyll molecule in reaction centre of PS II has maximum absorption at:

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Unidirectional flow of electrons in photophosphorylation takes place in

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We can observe the Z - scheme during movement of electrons in –

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What is the relationship between CO2 fixation and incident light at low intensities?

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Which of the following chlorophyll type ejects the electron during photophosphorylation?

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Identify A to D in the given figure.

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The process for which manganese and chloride ions are required is

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Identify A to D in the given figure.

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In light reaction of photosynthesis, chlorophyll is subjected to

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Which type of phosphorylation takes place in photosynthesis?

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Which of the following acts as a transmembrane channel?