Unit 1. Introduction to Pharmacognosy, Unit 2. Classification of Drugs, Unit 3. Quality Control of Drugs of Natural Origin, Unit 4. Cultivation, Collection, Processing and Storage of Drugs of Natural Origin, Unit 5. Conservation of Medicinal Plants, Unit 6. Plant Tissue Culture, Unit 7. Pharmacognosy in Various Systems of Medicine, Unit 8. Secondary Metabolites, Unit 9. Plant Products, Unit 10. Primary Metabolites, Unit 11. Marine Drugs.