Green plants produce their own food during photosynthesis. which of these statements about photosynthesis is true? a. water is one product of photosynthesis. b. oxygen is one product of photosynthesis. c. chlorophy11 is one product of photosynthesis d. carbon dioxide is one product of photosynthesis

B.

Explanation:

Water is one of the  reactants in photosynthesis. It is split into electrons, oxygen, and Hydrogen ions in first reaction of photosynthesis called photolysis of water. Therefore water is not a product.

Carbondioxide is another reactant  of photosynthesis that is reduced in the light independent stage of photsynthesis by H+ from photolysis to give Glucose.This reduction takes place in the Calvin cycle, in the presence of enzyme rubisco and substrate ribulose bisphosphate, The product is 2 molecules of 3C-glycerate phosphate, which later oxidized with hydrolysis of ATP, to form 2-Triose phosphate. The latter is converted to  glucose, Amino Acids, or fatty acids.

The Pigments for trapping energy in sunlight in the leaf chloroplast is called chlorophyll.It contains photosystems I and II. It is excited with the impact  of sunlight absorbed by the photo systems  I and II, and the electron is pick up by electron acceptors.  The electron is transferred  in cascade of reactions  which ends with  the  primary pigments of photosystem I absorbing electron from photosystem II. The primary pigment replaced the lost electron with electron from photolysis of water above.

Oxygen is the by-product of photosyntheis, it is produced when water is split in Photolysis of water.Oxygen is a by-product because it is not needed in subsequent stages of photosynthesis to  give the end products.it is given off  for cellular respiration in mammals.Therefore this is the correct answer.

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