Q. What is the most abundant organic compound in the terrestrial environment?
Answer: Cellulose
Notes: The most abundant organic compound in the terrestrial environment is cellulose. A type of carbohydrate, cellulose contains chains of glucose rings. Providing strength and rigidity, cellulose forms the cell walls of plants. Cellulose is the primary constituent of wood, making this organic compound the most abundant one on the surface of the Earth.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 153 in 1. Introduction to Environment & Ecology in above course in App.