IB Biology SL C1.3.2 Co Glucose Questions
In this IB Biology SL C1.3.2 set, explain how CO₂ and hydrogen from water are used to make glucose and other carbohydrate products.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Trace how carbon dioxide is reduced using hydrogen from water and light-derived energy to form glucose or other carbohydrates in photosynthesis.
- Identify glucose as the main stored photosynthetic product and distinguish its conversion into carbohydrate storage products.
IB Biology SL C1.3.2 Co Glucose Questions question 1
[Maximum number: 4]
Outline the production of carbohydrates in photosynthesis.
Light is absorbed by chlorophyll;
OR chlorophyll absorbs more red and blue light.
Absorbed light energy is converted to chemical energy.
Some of the energy is used for production of ATP.
Water molecules are split/photolysis.
Produces oxygen as waste product / hydrogen / NADPH.
Plants absorb/fix CO2 from air or water.
ATP/energy is needed to produce carbohydrates/starch.
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