Practice Questions
1.Name an example of a fungal disease which affects rose plants
Rose black spot
2. Describe symptoms of this disease
Purple or black spots on rose leaves, which often turn yellow and drop early.
3. Describe how this disease can be treated.
Remove infected leaves and stems, destroy these do not compost them.
Spray roses with a fungicide designed for black spot
Factors affecting the rate of photosynthesis
Measuring & calculating rates of photosynthesis
Inverse square law and photosynthesis
Economics of enhancing the conditions in greenhouses
Investigating the effect of light intensity on the rate of photosynthesis