Question:

Anoxygenic photosynthesis is characteristic of

Updated On: Jul 13, 2024
  • Rhodospirillum
  • Spirogyra
  • Chlamydomonas
  • Ulva.
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The Correct Option is A

Solution and Explanation

In Rhodospir ilium, electron donor is organic compound instead of water hence no oxygen is released, i.e., anoxygenic photosynthesis occurs. In other plants water is used as electron donor and H+ and 02 are produced during photolysis of water.
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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:

  1. Calvin Cycle (C3 Cycle)
  2. C4 Cycle (Hatch and Slack Pathway)