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Photosynthesis

Select the co...

Question

Select the correct option:
____________ is the process of synthesis of ATP from ADP and Pi in the presence of light.

A

Phosphorylation

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B

Photophosphorylation

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C

Photosystem

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D

Oxidative phosphorylation

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Solution

The correct option is A Photophosphorylation
The process by which ATP is synthesised by cells (in mitochondria chloroplasts) is named as phosphorylation. Photophosphorylation is the synthesis of ATP from ADP and inorganic phosphate (Pi) in the presence of light, inside chloroplast. Photophosphorylation is of two main types - cyclic and non-cyclic photophosphorylation.

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Q. ________ is the process of synthesis of ATP from ADP and inorganic phosphate in the presence of light.

Q. The synthesis of ATP from ADP and inorganic phosphate is a(n) ________ reaction that is coupled to a reaction known as ________.

A T P

synthesis by phosphorylation without use of light related with

Q. Consider the following statements and select the correct option.
(A) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
(B) ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.
(C) Ribosomes are involved in protein synthesis.
(D) Mitochondria help in oxidative phosphorylation and generation of ATP.

Read the given statements and select the correct option.
Statement 1: During photophosphorylation (of photosynthesis), light energy is utilised for the production of a proton gradient during ATP synthesis.
Statement 2: In respiration, the energy of oxidation-reduction is utilised for the phosphorylation and thus the process is called oxidative phosphorylation.

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