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Factors Affecting Photosynthesis

Explore the key environmental factors that influence the rate of photosynthesis in plants.

Grade 7 Science BiologyFactors Affecting Photosynthesis
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort Answer

Standards

MS-LS1-6

Topics

ScienceBiologyPhotosynthesisGrade 7
6 sections · Free to use · Printable
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Factors Affecting Photosynthesis

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Date:

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Read each question carefully and answer to the best of your ability.

1. Which of the following is NOT a primary factor affecting the rate of photosynthesis?

a

Light intensity

b

Temperature

c

Oxygen concentration

d

Carbon dioxide concentration

2. What happens to the rate of photosynthesis if the light intensity decreases?

a

It increases

b

It decreases

c

It stays the same

d

It fluctuates rapidly

3. Plants absorb   from the atmosphere for photosynthesis.

4. The green pigment in plants that absorbs light energy is called  .

5. An increase in temperature always increases the rate of photosynthesis.

T

True

F

False

6. Water is a reactant in the process of photosynthesis.

T

True

F

False

7. Explain how the concentration of carbon dioxide affects the rate of photosynthesis.

8. Describe the role of light in photosynthesis. You may refer to the diagram below.

Photosynthesis Overview Diagram