CBSE Class 10 Science 2017 Outside Delhi Term II Set 2 Paper

Question : 3

Total: 12

In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks

Solution:

500J of energy is available to the rats thus according to 10% law, 50J energy will be available to snakes and 5J energy will be available to hawk

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