Let's match the items: A. Kevlar: This is a high- strength synthetic fiber used in applications like bulletproof vests, aramid ropes, and bicycle tires. It matches with 2. Synthetic fibre. B. Taxol (Paclitaxel): This is a widely used chemotherapy drug used to treat various types of cancer. It matches with 3. Anticancer drug. C. Zinc Phosphide: This inorganic compound is commonly used as a rodenticide (poison to kill rodents). It matches with 4. Rodenticide. D. Nitrocellulose: Also known as cellulose nitrate, it is highly flammable and used in explosives (like guncotton), propellants, lacquers, and films. It matches with 1. Explosive. Thus, the correct mapping is A-2, B-3, C-4, D-1. This matches option (b).