What's covered
Photosynthesis12
Cellular respiration9
Sample questions
A taste of the 21 questions in this topic — answers marked. Sign up to practise the full set with spaced repetition.
1Cellular respiration
What is respiration?
- •Breathing air in and out of the lungs
- •Making glucose from CO₂ in plants
- •Pumping blood around the body in vessels
- ✓Releasing energy from glucose in cells
2Photosynthesis
What raw materials does photosynthesis need?
- •Carbon dioxide and oxygen
- ✓Carbon dioxide and water
- •Nitrogen and water
- •Oxygen and glucose
3Cellular respiration
What does aerobic respiration need?
- •Glucose and CO₂
- ✓Glucose and oxygen
- •Oxygen only
- •Water and oxygen
4Photosynthesis
What products does photosynthesis make?
- •Glucose and carbon dioxide
- ✓Glucose and oxygen
- •Starch and nitrogen
- •Water and carbon dioxide
5Cellular respiration
What products does aerobic respiration make?
- ✓Carbon dioxide and water
- •Ethanol and CO₂
- •Glucose and oxygen
- •Lactic acid and energy
6Photosynthesis
Which factor limits photosynthesis on a cloudy day?
- •Air temperature
- ✓Light intensity
- •Plant height
- •Soil quality
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