Organic solids are generally of ___ origin.

• A. Animal and Vegetable
• B. Mineral
• C. Synthetic
• D. Inorganic

Answer: (A)

Organic solids come from living matter. Historically, substances classified as organic were those derived from plants and animals, so organic solids are generally of animal and vegetable origin. This includes natural materials like fats, sugars, proteins, cellulose, and waxes found in living organisms. Inorganic solids, by contrast, originate from minerals or nonliving sources. While many organic solids can be made synthetically in the lab, their common origin in this context is biological—plant and animal matter.