Multiple choice

Which of the following statements about dark reaction are FALSE?

P. Source of energy for dark reaction is ATP synthesised in light reaction. Q. Raw materials of dark reaction are water, ADP and H3PO4. R. Oxygen is by-product of dark reaction and released to atmosphere. S. Dark reaction occurs in stroma of chloroplast.

  1. Only P and Q

  2. Only P and R

  3. Only P and S

  4. Only Q and R

  5. Only R and S
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water, ADP and H3PO4 are raw materials for light reaction. Raw materials of dark reaction are CO2, NADPH2 and ATP. Oxygen is the by-product of light reaction and is released in the atmosphere.

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