Question

Which of the following constitute a food-chain?

Options

• Grass, wheat and mango

• Grass, goat and human

• Goat, cow and elephant

• Grass, fish and goat

Answer 1

Grass, goat and human

Explanation:

Grass is eaten by goats, and goats are eaten by humans. Grass, goat and human serve as various trophic levels of a food chain as shown below:

\[\ce{\underset{(Producer)}{Grass} -> \underset{(Herbivore)}{Goat} -> \underset{(Omnivore)}{Human}}\]