Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which of the following is correct about trophic levels in a food chain?
1
The herbivores or the secondary consumers come at the second level.
2
The heterotrophs fix up the solar energy and make it available for herbivores or other consumers.
3
The Larger carnivores or the tertiary consumers form the third trophic level.
4
The autotrophs or the producers are at the first trophic level.