Which of the following statement is not correct about energy flow in an ecosystem?
Which of the following statement is not correct about energy flow in an ecosystem?
- A
Pyramid of energy is always straight
- B
Energy flow is unidirectional
- C
Energy flow is cyclic
- D
Ecological efficiency is generally $10\;\%$
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- [AIEEE 2004]
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$10\%$ law of flow of energy in ecosystem was proposed by
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