Photosynthesis Practice Worksheet - FlemingSci



Photosynthesis Practice Worksheet

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1. What are the three things reactants in the photosynthetic process?

2. What two substances are products in the photosynthetic process?

3. There are two phases in photosynthesis. List them.

4. The light-dependent reactions use _____________ and _____________. The water is obtained through the _____________.

5. The light-dependent reactions produce _____________ and energy. The oxygen leaves the leaf through the _____________.

6. The light-dependent reactions happen in the _____________ of the chloroplast.

7. The Calvin cycle uses the energy from the light reactions, as well as the input of _____________ _____________. The big product of following the Calvin cycle is _____________, which has the chemical formula C6H12O6.

8. The Calvin cycle happens in the _____________ of the chloroplast.

9. Write the complete balanced equation for photosynthesis. Label each molecule with its name.

10. What is the primary pigment responsible for absorbing the light energy for photosynthesis?

11. Why do most plants appear green?

12. CIRCLE ALL THAT ARE TRUE about the LIGHT DEPENDENT REACTION.

A. High-energy electrons move through the electron transport chain.

B. Pigments in photosystems II and I absorb light.

C. ATP synthase helps H+ ions in the thylakoid space to pass through the membrane to the stroma.

D. ATP and NADPH are used to produce high-energy sugars.

13. CIRCLE ALL THAT ARE TRUE about the CALVIN CYCLE

A. ATP is produced by ATP synthase and oxygen is released

B. It is also called the light-independent reaction.

C. ATP and NADPH from the light-dependent reactions are used here

D. High energy sugar compounds are made from CO2

The diagram below may help you with the following questions.

14. Gas exchange is necessary for photosynthesis. How does carbon dioxide gas get in and oxygen gas get out of the leaves?

15. What layers of cells in the leaf perform photosynthesis?

16. Chlorophyll is contained in disc-shaped structures in the chloroplasts called ______________. A stack of these discs is called a _______________.

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