Chloroplast Structure Worksheet
Grade 12 Science worksheet focusing on the detailed structure and function of chloroplasts.
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Chloroplast Structure Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your knowledge. Refer to the provided diagram where applicable.
Observe the diagram of the chloroplast below. Label the indicated parts (A-E).
A:
B:
C:
D:
E:
1. Which of the following is the primary site for the light-dependent reactions of photosynthesis?
Stroma
Outer membrane
Thylakoid membrane
Inner membrane
2. What is the function of the stroma within the chloroplast?
Absorbs light energy
Site of the Calvin cycle
Regulates passage of substances
Stores water
1. A stack of thylakoids is called a .
2. The fluid-filled space surrounding the grana within the chloroplast is the .
3. Chloroplasts are thought to have evolved from free-living bacteria through a process called .
1. The inner membrane of the chloroplast is highly folded to increase its surface area.
True
False
2. Chlorophyll is found in the stroma of the chloroplast.
True
False
1. Briefly describe the endosymbiotic theory as it relates to the origin of chloroplasts.
2. Explain the significance of the double membrane in chloroplasts.
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