Question:

Which of the following is produced during the light phase of photosynthesis?

Updated On: Jul 7, 2022

$ATP$
$NADPH_{2}$
Both $ATP$ and $NADPH_{2}$
Carbohydrates

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The Correct Option is C

Solution and Explanation

Photochemical phase, also called light or Hill reaction, occurs inside the thylakoids, especially those of grana region. Photochemical step is dependent upon light. The function of this phase is to produce assimilatory power consisting of reduced coenzyme $NADPH$ and energy rich $ATP$ molecules.

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Notes on Photosynthesis in higher plants

Concepts Used:

Photosynthesis in Higher Plants

Processes Of Photosynthesis in Higher Plants:

Photosynthesis in higher plants involves the following processes:

Light Reaction
Dark Reaction

Light Reaction:

This phenomenon occurs in the presence of light.
The pigment absorbs light and produces energy in the form of ATP.
The process involves- absorption of light, water splitting, the release of oxygen, and formation of ATP and NADPH.

Dark Reaction:

This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process:

Calvin Cycle (C3 Cycle)
C4 Cycle (Hatch and Slack Pathway)