1. Mitosis and Cell Division – Identifying stages of mitosis in plant root tip cells and calculating the mitotic index. 2. Polygenic Inheritance and Gene Mutations – Explaining how multiple genes contribute to trait variations and analyzing mutations in the F8 gene related to haemophilia. 3. Stem Cell Differentiation and Medical Applications – Investigating how different stem cell sources produce specialized tissues, including corneal and cardiac cells. 4. Nutrient Deficiency in Plants – Evaluating the effects of magnesium and calcium deficiencies on plant growth and leaf development. 5. Biodiversity and Habitat Management – Calculating the index of diversity in managed lawns and assessing the impact of herbicides on species variety. 6. Drug Testing and Clinical Trials – Analyzing placebo-controlled double-blind trials and interpreting reasons for stopping drug development based on clinical data.