Exploring Photosynthesis: The Process of Life
Science
Year 7
14 questions
~28 mins
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A worksheet covering Photosynthesis for Year 7 students.
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Exploring Photosynthesis: The Process of Life
Subject: ScienceGrade: Year 7
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Untitled Worksheet
Grade Year 7
A
Questions
Answer all questions. Show your working where appropriate.
1.
What is the primary function of photosynthesis?
[1 mark]AConvert chemical energy into heat energy
BConvert light energy into chemical energy
CConvert light energy into mechanical energy
DConvert chemical energy into light energy
2.
True or False: Photosynthesis occurs in the chloroplasts of plant cells.
[1 mark]3.
Fill in the blank: The chemical equation for photosynthesis is 6CO2 + 6H2O → C6H12O6 + 6O2. The molecule C6H12O6 represents _____.
[1 mark]4.
What gas is produced as a byproduct of photosynthesis?
[1 mark]ACarbon Dioxide
BOxygen
CNitrogen
DHydrogen
5.
Match the following terms to their definitions:
[3 marks]1. Chlorophyll
2. Stomata
3. Glucose
AThe green pigment in plants that absorbs light
BA simple sugar produced during photosynthesis
COpenings on the leaf surface for gas exchange
6.
Explain the role of light in photosynthesis.
[2 marks]7.
Calculate the number of glucose molecules produced if 12 molecules of carbon dioxide are used in photosynthesis. Use the formula: 6CO2 + 6H2O → C6H12O6 + 6O2.
[3 marks]8.
True or False: Photosynthesis can occur at night.
[1 mark]9.
Order the steps in the process of photosynthesis.
[2 marks]1
2
3
4
5
10.
Describe how the process of photosynthesis contributes to the carbon cycle.
[6 marks]11.
What conditions are necessary for photosynthesis to occur?
[2 marks]12.
Why is photosynthesis considered an endothermic reaction?
[2 marks]13.
What is the importance of the chloroplast in photosynthesis?
[2 marks]14.
Which part of the plant typically performs the most photosynthesis?
[1 mark]ARoots
BStem
CLeaves
DFlowers
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet