Photosynthesis consists of two processes, with each process involves multiple steps. These two photosynthesis processes are known as:
(i) the light reaction as the first stage of photosynthesis that uses sunlight as an energy source absorbed by chlorophyll and
(ii) the Calvin cycle as the second stage that can proceed without sunlight.

Which of the following is INCORRECT statement about photosynthesis?

It is a combination of the light reactions and the Calvin cycle. In the chloroplast, the thylakoid membranes are the sites of the light reactions, whereas the Calvin cycle occurs in the stroma

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The light reactions also generate ATP, using chemiosmosis to power the addition of a phosphate group to ADP, a process called photophosphorylation

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The light reactions use solar energy to make ATP and NADPH, which supply chemical energy and reducing power, respectively, to the Calvin cycle

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The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.

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Solution

The correct option is D The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.
The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.

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Similar questions

Which of the following statements are correct?

(i) Sunlight, carbon dioxide, chlorophyll and water are necessary for photosynthesis.
(ii) Oxygen is absorbed from the atmosphere during the process of photosynthesis.
(iii) Leaves carry out photosynthesis.
(iv) Proteins are made during photosynthesis.

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.

Q. Both photosynthesis and cellular respiration are metabolic processes that occur in eukaryotic cells. Each process involves several steps and chemical reactions.
All of the following occur during the processes of photosynthesis and cellular respiration except

Q. (a) Define 'Photosynthesis'. Apart from sunlight, what other conditions are necessary for the process of photosynthesis.
(b) Describe an experiment to show that "sunlight is essential for photosynthesis".

Q. (i) Define dark reaction.
(ii) Give an overall balanced equation of this process
(iii) Describe an experiment to prove that sunlight is necessary for photosynthesis.
(iv) Mention any two points in which photosynthesis and respiration in plants are opposite to each other.

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The correct option is D The Calvin cycle releases CO2 from organic molecules, which are converted to sugar. The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.

The correct option is D The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.
The Calvin cycle releases CO2 from organic molecules, which are converted to sugar.