The flow of energy in a food chain is
Acyclic
Bbidirectional
Cunidirectional
Drandom
Answer & Solution
Correct answer: C. unidirectional
1. Energy captured by producers passes to consumers and decomposers.
2. It does not return to the previous level, so the flow is **unidirectional** (one-way).
3. This is unlike nutrients, which are cycled.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch15 'Our Environment', §15.1.1_
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