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Biology 9700/52 Oct Nov 2016 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating the effect of potassium chloride on stomatal opening, focusing on environmental factors like light and CO₂.

2. Serial dilution preparation to obtain various KCl concentrations for leaf strip tests.

3. Calculating mean stomatal aperture diameter over time, analyzing light intensity's influence on stomata.

4. Using chi-squared tests to evaluate the impact of herbicides on butterfly populations in unsprayed headlands.

5. Statistical interpretation of butterfly species data to assess significance and conservation strategies.
CIE AS & A Level Biology (9700) Nov 2016

Laura Bellini

Classification: Paper 5
Page count: 12
Viewed: 79
Last update: 2 months ago
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