1. Plant Tissue Culture and Genetic Engineering: Micropropagation process, plant hormone effects, role of auxins and cytokinins, conservation of endangered species, and production of medicinal compounds like shikonin.

2. Cell Structure and Adaptation: Identifying plant cell organelles, magnification calculations, specialization of root hair cells for absorption, and differences in cell differentiation between plants and animals.

3. Nutrition and Energy Values: Comparison of energy and nutrient content in biscuits, suitability for weight loss, experimental methods for calorimetry, and reasons for discrepancies between experimental and manufacturer energy values.

4. Nitrogen Cycle and Environmental Impact: Identification of nitrogen fixation, nitrification, and denitrification stages, impact of chemical fertilizers on aquatic ecosystems, and alternatives like organic manure.

5. DNA and Protein Synthesis: Base pairing rules, transcription and translation processes, mRNA formation, amino acid coding, and calculations related to base pair composition.

6. Smoking and Health Effects: Analysis of hospital admission data due to smoking, percentage increase calculations, impact of smoking on lung function, and effects on overall hospital admission rates.