1. Plant Cell Structure and Function – Identifying key plant cell structures such as pits, lignified walls, and vesicles.

2. Genetic Linkage and Inheritance – Analyzing crossing-over effects in meiosis and calculating allele frequencies in salmon gametes.

3. Sperm Cell Function and Fertilisation – Investigating the role of the acrosome, calcium ion influence on sperm viability, and the impact of environmental conditions on fertilisation success.

4. Mitosis and Growth in Plants – Determining mitotic index, investigating cell cycle phases, and devising an experiment to study cell division along a root tip.

5. Biodiversity and Conservation – Evaluating the role of seed banks and captive breeding in preserving genetic diversity and endangered species.

6. Plant Fibres and Tensile Strength – Comparing cellulose and lignin composition in plant fibres and investigating their mechanical properties.