Study Guide for Ch - Quia



7th Grade Study Guide

Test is on Monday, March 26th!

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Ch.2 Lesson1 Photosynthesis Review Questions

1. In what process do plants use sunlight to make food?

2. What does carbon dioxide enter a plant through?

3. During photosynthesis, what do plants produce?

4. What is the green pigment that captures the energy in sunlight called?

5. What are the raw materials of photosynthesis?

6. What is the basic difference between the autotrophs and the heterotrophs?

7. How do the heterotrophs depend on the autotrophs?

8. Imagine all the plants on Earth have died. Explain how this would affect humans.

Chapter 2 Lesson 2 Respiration Review Questions

1. Where does the first stage of respiration take place?

2. What is one product of fermentation in yeast cells?

3. Where is most of the energy that is released during respiration produced?

4. What is the main difference between respiration and fermentation?

5. Explain why photosynthesis and respiration are considered opposite processes.

Ch.2 Lesson 3 Cell Division Review Questions

1. In what stage does DNA replication occur?

2. In what phase of mitosis does the chromatin condense and from rodlike structures?

3. What is the final stage of the cell cycle called?

4. During DNA replication, what does adenine pair with?

5. In what stage does the cycle grow to its mature size?

6. What is each identical rod in a chromosome called?

7. During what stage of the cell cycle, does the cell’s nucleus divide into two new nuclei?

8. How is a cell able to produce two almost identical daughter cells?

9. Draw what is happening during the following phases: prophase, metaphase, and anaphase. Then draw a diagram to show what happens next and tell what phase it is.

10. Interphase sometimes is referred to as the “resting” stage of the cell cycle. Why is this reference misleading?

11. Explain how the structure of DNA is related to DNA replication.

Ch.2 Lesson 4 Cancer Review Questions

1. What are most cases of cancer caused by?

2. What is the main cause of lung cancer?

3. What kind of cancer can people reduce their risk of getting by limiting their exposure to bright sunlight?

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