In the following food chain, 100 {\J} of energy is ...

CBSE Class 10 Science 2017 Outside Delhi Term II Set 1 Paper

Question : 3 of 36

Marks: +1, -0

In the following food chain,

100 {\J}

of energy is available to the lion. How much energy was available to the producer?
Plant

\to

Deer

\to

Lion

Solution:

10 \% \;\text " of "\; x\;=100

x\;=1000 {\J} \;\text " in deer "\;

10 \% \;\text " of "\; y\;=1000

y\;=10,000 {\J} \;\text " in Plants "\;

Then, plants utilise only

1 \%

of energy

1 \% \;\text " of "\; z\;=10,000

z\;=10,00,000 {\J} \;\text " available energy. "\;

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