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Light-dependent reactions and the Calvin cycle

11th grade (Year 12 in England) · 16 questions · Common Core: NGSS.HS-LS1-5 · England: A level Biology: Photosynthesis (extension)

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Score/ 16

1
Question 1
Stages of photosynthesis: which statement is NOT true?
- A. Carbon dioxide is split to release oxygen.
- B. The Calvin cycle takes place in the stroma.
- C. Chlorophyll is found in the thylakoid membranes.
- D. The Calvin cycle uses ATP and NADPH.
2
Question 2
Scientists gave algae water containing a heavy oxygen isotope (¹⁸O). Where did the ¹⁸O end up?
- A. in the glucose made
- B. in the chlorophyll
- C. in the carbon dioxide absorbed
- D. in the oxygen gas released
3
Question 3
Which stage of photosynthesis: uses ATP and NADPH to make sugar?
- A. light-dependent reactions
- B. Calvin cycle (light-independent)
4
Question 4
Stages of photosynthesis: which statement is NOT true?
- A. The light-dependent reactions release oxygen.
- B. Chlorophyll is found in the thylakoid membranes.
- C. The Calvin cycle only happens at night.
- D. The Calvin cycle uses ATP and NADPH.
5
Question 5
A plant is moved into darkness. Why does the Calvin cycle soon stop, even though it does not use light directly?
- A. The stroma freezes
- B. Carbon dioxide disappears in the dark
- C. It runs out of ATP and NADPH from the light-dependent reactions
- D. RuBisCO is destroyed by darkness
6
Question 6
Which stage of photosynthesis: happen on the thylakoid membranes?
- A. light-dependent reactions
- B. Calvin cycle (light-independent)
7
Question 7
Stages of photosynthesis: which statement is NOT true?
- A. Chlorophyll is found in the thylakoid membranes.
- B. The Calvin cycle takes place in the stroma.
- C. Carbon dioxide is split to release oxygen.
- D. The light-dependent reactions release oxygen.
8
Question 8
Scientists gave algae water containing a heavy oxygen isotope (¹⁸O). Where did the ¹⁸O end up?
- A. in the chlorophyll
- B. in the carbon dioxide absorbed
- C. in the glucose made
- D. in the oxygen gas released
9
Question 9
Which stage of photosynthesis: uses ATP and NADPH to make sugar?
- A. light-dependent reactions
- B. Calvin cycle (light-independent)
10
Question 10
Stages of photosynthesis: which statement is NOT true?
- A. Chlorophyll is found in the thylakoid membranes.
- B. The light-dependent reactions release oxygen.
- C. The light-dependent reactions make glucose directly.
- D. The Calvin cycle takes place in the stroma.
11
Question 11
RuBisCO is often called the most abundant protein on Earth. What does it do?
- A. splits water
- B. absorbs light
- C. fixes carbon dioxide into organic molecules
- D. makes oxygen
12
Question 12
Which stage of photosynthesis: happens in the stroma?
- A. light-dependent reactions
- B. Calvin cycle (light-independent)
13
Question 13
Stages of photosynthesis: which statement is NOT true?
- A. The Calvin cycle uses ATP and NADPH.
- B. The light-dependent reactions release oxygen.
- C. The light-dependent reactions make glucose directly.
- D. The Calvin cycle takes place in the stroma.
14
Question 14
Where in the chloroplast is chlorophyll found?
- A. in the outer membrane only
- B. in the stroma
- C. in starch grains
- D. in the thylakoid membranes
15
Question 15
Which stage of photosynthesis: split water and release oxygen?
- A. light-dependent reactions
- B. Calvin cycle (light-independent)
16
Question 16
Stages of photosynthesis: which statement is NOT true?
- A. Chlorophyll is found in the thylakoid membranes.
- B. The Calvin cycle uses ATP and NADPH.
- C. Carbon dioxide is split to release oxygen.
- D. The light-dependent reactions release oxygen.

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