Biology Paper 1
- Created by: mollyridgway
- Created on: 14-05-18 16:34
Other questions in this quiz
2. What are the role of enzymes?
- speed up reactions
- carry impulses
- control the cell
3. Which a quality of phloem? (the others are xylem)
- one direction
- made up of living cells
- made up of dead cells
- transports water and minerals
- from roots upwards
4. How is a sperm cell differentiated?
- carry food - for embryo
- tail - movement
- long, thin axon - carry impulses
- hairs - increase SA, for absorption
5. Which of the following affect the rate of photosynthesis?
- enzyme and substrate concentration, temperature, pH
- temperature, humidity, wind velocity
- temperature, light intensity, CO2 concentration
- large SA to volume ratio, transport median, oxygen and CO2 levels
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