CBSE Class 10 Science 2017 · Paper 31/1 · Question 3
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer ?
Plants Deer Lion
Answer
The producer (plants) had 10,000 J of energy.
J. By the ten per cent law only about a tenth of the energy at one trophic level reaches the next, so the deer had J and the plants (producers) had J.
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