Multiple choice

Which of the following substances releases oxygen in photosynthesis?

  1. CO2

  2. Water

  3. C6H12O6

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The absorbed energy is used in splitting the water molecule, into the two components (Hydrogen and Oxygen) and releasing electrons. The free molecular oxygen is given out as a by-product and the energy of electrons, is used to add one inorganic phosphate to ADP to form ATP whereas, the H+ ions are picked by NADP+ which is reduced to NADPH.

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