Q. Which of the following is the highest tropic level in an ecosystem?
Answer: Omnivores
Notes: Omnivores constitute the highest trophic level in an ecosystem. Omnivores are tertiary consumers and feed on both plants and animals. Decomposers feed on all the trophic levels.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 82 in 1. Introduction to Environment & Ecology in above course in App.