NTA Abhyas NEET2020BotanyEcosystemPractice
How many trophic levels are there in a food chain?
Options
- A1-3
- B5-7
- C3-4
- D2-4
Correct answer
C. 3-4
Step-by-step solution
Plants represent the first trophic level and the herbivores make the second trophic level. The primary carnivores constitute the third trophic level, and the secondary carnivores, such as large fish, man, etc. constitute the fourth trophic level of an ecosystem.