In general, a food chain consists of how many trophic levels?

Category: QuestionsIn general, a food chain consists of how many trophic levels?
Editor">Editor Staff asked 3 months ago

In general, a food chain consists of how many trophic levels?
 
(a) Four
 
(b) Zero
 
(c) Two
 
(d) One
 
I have been asked this question in a national level competition.
 
The doubt is from Ecosystem topic in division Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 months ago

Right answer is (a) Four
 
To explain I would say: In general a food chain consists of 3-4 trophic levels. Plants consists represent the first level, herbivores are in second. The carnivores and top carnivores come under the third and fourth trophic levels respectively.