How Much Do You Know About Photosynthesis? Quiz
Photosynthesis quiz
- 1.
The specific energy source for the reaction ADP + phosphate ATP by the enzyme ATP synthetase in thylakoid membranes is
- A.
Movement of electrons between photosystem II and photosystem I
- B.
Splitting of a water molecule
- C.
Creation of a molecule of NADPH
- D.
Absorption of photons by chloroplast pigments
- E.
Higher concentration of H+ inside versus outside the thylakoid membranes
Correct Answer
E. Higher concentration of H+ inside versus outside the thylakoid membranes -
- 2.
Explain (specifically) why the dark reactions of photosynthesis are cyclic.
- 3.
Which would you expect to increase the rate of photosynthesis?
- A.
Increasing the carbon dioxide concentration
- B.
Decreasing the intensity of exposure to light
- C.
Increasing the oxygen concentration
- D.
Decreasing the duration of exposure to light
Correct Answer
A. Increasing the carbon dioxide concentration -
- 4.
If you see bubbles coming off of underwater plants, what are you seeing?
- A.
Oxygen bubbles from reactions in photosystem I
- B.
Oxygen bubbles from reactions in photosystem II
- C.
Carbon dioxide bubbles from reactions in photosystem I
- D.
Carbon dioxide bubbles from reactions in photosystem II
Correct Answer
A. Oxygen bubbles from reactions in photosystem I -
- 5.
Why are electron transport systems important in photosynthesis?
- A.
They create NADP+ from NADPH for later use in syntheses
- B.
They provide the energy needed to split a molecule of carbon dioxide
- C.
They convert ATP into ADP which provides a store of energy
- D.
They convert ADP into ATP which provides a store of energy
Correct Answer
A. They create NADP+ from NADPH for later use in syntheses -
- 6.
Energy is released from ATP when
- A.
A phosphate group is added.
- B.
Adenine bonds to ribose.
- C.
ATP is exposed to sunlight.
- D.
A phosphate group is removed.
Correct Answer
D. A phosphate group is removed. -
- 7.
In the Calvin cycle
- A.
Carbon dioxide is used to create organic molecules
- B.
Energy in the form of ATP is used
- C.
NADPH is required
- D.
Glucose is formed
- E.
All of these
Correct Answer
E. All of these -
- 8.
Where do the light-dependent reactions take place?
- A.
In the stroma
- B.
Outside the chloroplasts
- C.
In the thylakoid membranes
- D.
Only in chlorophyll molecules
Correct Answer
C. In the thylakoid membranes -
- 9.
Explain why we would expect that living things on a planet other than ours should have also evolved some form of photosynthesis. In other words, why is photosynthesis a requirement for life?
- 10.
In the light-dependent reactions
- A.
Carbon dioxide is fixed
- B.
ATP and NADPH form
- C.
Carbon dioxide accepts electrons
- D.
Glucose molecules form
Correct Answer
B. ATP and NADPH form -
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Current Version
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Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
Dec 08, 2009Quiz Created by
Mrchaple
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