Factors Affecting Photosynthesis
Explore the key environmental factors that influence the rate of photosynthesis in plants.
Includes
Standards
Topics
Factors Affecting Photosynthesis
Name:
Date:
Score:
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?
Light intensity
Temperature
Oxygen concentration
Carbon dioxide concentration
2. What happens to the rate of photosynthesis if the light intensity decreases?
It increases
It decreases
It stays the same
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.
True
False
6. Water is a reactant in the process of photosynthesis.
True
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.

Related Worksheets
Six Kingdoms of Life Worksheet
Explore the characteristics and classification of the six kingdoms of life with this engaging worksheet for Grade 7 science students.
Pathogenic Microorganisms
This worksheet covers different types of pathogenic microorganisms, their characteristics, and how they cause diseases.
The Menstrual Cycle
A Grade 7 Science worksheet covering the stages, hormones, and key terms of the human menstrual cycle.
Human Decomposition: The Science of Decay
Explore the stages of human decomposition, the factors that influence it, and the roles of scavengers and microorganisms in this Grade 7 Science worksheet.
Invertebrate Animals Worksheet
Explore the fascinating world of invertebrate animals with this worksheet, covering their characteristics, classifications, and examples.
Frog Dissection Worksheet
A worksheet covering the external and internal anatomy of a frog for grade 7 science students.
Grade 7 Digestion Worksheet
A science worksheet for Grade 7 students covering the human digestive system, its organs, and processes.
Photosynthesis and Cellular Respiration
Explore the fundamental processes of photosynthesis and cellular respiration, understanding their inputs, outputs, and significance in living organisms.