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Questions and Answers
What is the primary product of photosynthesis?
What is the primary product of photosynthesis?
- Water
- Oxygen
- Glucose (correct)
- Carbon dioxide
Photosynthesis is an exothermic reaction that releases energy.
Photosynthesis is an exothermic reaction that releases energy.
False (B)
What role does chlorophyll play in the process of photosynthesis?
What role does chlorophyll play in the process of photosynthesis?
It absorbs light energy.
The chemical formula for glucose is ______.
The chemical formula for glucose is ______.
Match the following factors with their effects on photosynthesis:
Match the following factors with their effects on photosynthesis:
Flashcards
Photosynthesis
Photosynthesis
The process by which plants use light energy from the sun to convert carbon dioxide and water into glucose and oxygen for growth.
What is the chemical formula for carbon dioxide?
What is the chemical formula for carbon dioxide?
The chemical formula for carbon dioxide, a key reactant in photosynthesis.
What is the chemical formula for water?
What is the chemical formula for water?
The chemical formula for water, another key reactant in photosynthesis.
What is the chemical formula for glucose?
What is the chemical formula for glucose?
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What is the chemical formula for oxygen?
What is the chemical formula for oxygen?
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Study Notes
Photosynthesis
- Photosynthesis is the process by which plants use light energy for growth.
- It is an endothermic reaction that uses light energy to convert carbon dioxide and water into glucose and oxygen.
- Leaves contain chlorophyll which absorbs light energy.
- The word equation for photosynthesis is: carbon dioxide + water → glucose + oxygen.
- The chemical formula for carbon dioxide is CO2.
- The chemical formula for water is H2O.
- The chemical formula for glucose is C6H12O6.
- The chemical formula for oxygen is O2.
Factors Affecting Photosynthesis
- Light intensity: As light intensity increases, the rate of photosynthesis increases because the plant has more light energy to carry out the reaction, until it plateaus.
- Carbon dioxide levels: As the level of carbon dioxide increases, the rate of photosynthesis increases until it plateaus.
- Chlorophyll levels: Leaves with less chlorophyll will have a lower rate of photosynthesis because they can trap less light energy.
- Temperature: As temperature increases, the rate of photosynthesis increases until the enzymes involved denature and the rate of photosynthesis decreases.
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