Ecosystem Question 18
Question: Generally the food chain has how many trophic levels [MP PMT 1990, 2001, 02; BHU 2001]
Options:
A) One
B) Two
C) Three or Four
D) Three
Show Answer
Answer:
Correct Answer: C
Solution:
Plants represents 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)