Questions 1. Why must the pot plant be kept in the dark for 48 hours before being used for the investigation?
2. Which part of the leaf is the experiment? (Remember that the experiment is the part of the apparatus that is exposed to the variable that is being tested.)
3. Which part of the leaf is the control? (Remember that the control is the part of the apparatus that is not exposed to the variable that is being tested.)
4. What did you observe when the leaf was tested for starch?
5. Explain your results,​