Biology 9700/34 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme
- Investigation of temperature effects on diffusion through Visking tubing.
- Preparation of serial dilutions of reducing sugar solutions.
- Measurement of reducing sugar concentration using Benedict’s solution.
- Analysis of diffusion distance of hydrochloric acid in agar blocks.
- Comparison of plant organ sections under a microscope.
- Calculation of vascular bundle area as a percentage of total section area.

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