Define genus with example.

Define lens.

Define species with example.

Define reducing and oxidising agent with example.

Define the following with examples. Enzymes

Define the following with examples. Antacids

Define the following with examples. Antimicrobials

Define the following with example. (i)Order (ii) Class (iii) phylum (iv) kingdom (v) Herbarium sheet (Vi) Taxonomic key

Define the following with examples. Narcotics.

Define colligative properties with one example.

Define random experiment with two examples.