Bioenergetics GCSE questions
Cover the answers and try these Bioenergetics checks first. The full quiz in the app includes hints.
How to use these
Write your answer, then check. If you miss one, open the Bioenergetics lesson before you retry.
Practice questions
Cover the answers and have a go first. Worked solutions are underneath.
The word equation for photosynthesis is...
Photosynthesis is described as endothermic because...
In the pondweed practical, what is the independent variable when you move the lamp?
A photosynthesis graph levels off as light intensity increases. What does that mean?
Common mistakes
- Oxygen is a product, not a reactant. Mixing this with respiration’s equation is the classic Paper 1 dump.
- A bubble count assumes each bubble is the same size of oxygen. Say that assumption if they ask for a weakness.
- Plants photosynthesise and respire. At night, net gas exchange is CO2 out because photosynthesis stops.
- Anaerobic in animals is not ethanol. That mix-up is very common.
Answers and working
Frequently asked questions
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