Primary process in photosynthesis leads to the conversion of light energy into chemical energy. Discuss the statement.

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Solution

During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the grana stacks. Some of the light energy is converted to chemical energy. During this process, phosphate is added to a molecule to cause the formation of ATP. Light energy is converted to chemical energy when a photochemically excited special chlorophyll molecule of the photosynthetic reaction centre loses an electron, undergoing an oxidation reaction.

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Similar questions

Choose the correct statement(s):

(i) Photosynthesis is a process used by plants and other green organisms to convert light energy into chemical energy.

(ii) Photosynthesis takes place only in the presence of sunlight.

(iii) Only glucose is formed in the process of photosynthesis.

During the process of photosynthesis, light energy is converted to chemical energy.

Q. Plants convert the light energy to chemical energy through photosynthesis. During the process, total energy is conserved.

Question 28
Choose the event that does not occur in photosynthesis

(a) Absorption of light energy by chlorophyll
(b) Reduction of carbon dioxide to carbohydrates
(c) Oxidation of carbon to carbon dioxide
(d) Conversion of light energy to chemical energy

Q. Who stated that in photosynthesis light energy is converted into chemical energy?

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