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Ecosystem
Energy Flow and Thermodynamics
1 question from 1 paper, each with its answer.
- question
- 1
- paper
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- years asked, 2017–2026
- 1 of 10
- of Ecosystem
- 1.18%
Concepts tested
- Laws of Thermodynamics in Ecology
All Questions
2025 1 question
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Given below are two statements:
Statement I: In ecosystem, there is unidirectional flow of energy of sun from producers to consumers.
Statement II: Ecosystems are exempted from 2nd law of thermodynamics.
In the light of the above statements, choose the most appropriate answer from the options given below:Statement I is correct; Statement II is incorrect because ecosystems are not exempt from the Second Law of Thermodynamics.
Energy flow through an ecosystem is strictly unidirectional (sun \rightarrow producers \rightarrow primary consumers \rightarrow top predators), obeying the 1st law of thermodynamics. Ecosystems are NOT exempt from the 2nd law of thermodynamics; they require continuous energy input to resist entropy/disorder.
