NEETBotanyEcosystem
In a grazing food chain consisting of Grass Grasshopper Frog Snake, the energy available at the producer level is 5,00,000 J . What amount of energy will be available to the secondary consumer in this food chain?
Options
- A50,000 J
- B5,000 J
- C500 J
- D50,00,000 J
Correct answer
B. 5,000 J
Step-by-step solution
The given food chain is: Grass Grasshopper Frog Snake. Here, Grass is the producer (first trophic level, T₁ ). Grasshopper is the primary consumer (second trophic level, T₂ ). Frog is the secondary consumer (third trophic level, T₃ ). Energy at the producer level ( T₁ ) = 5,00,000 J . According to Lindeman's 10% law, only 10% of the energy is transferred to the next trophic level. Energy available to the primary consumer (Grasshopper) = 10% of 5,00,000 J = 50,000 J . Energy available to the secondary consumer (Frog