Botany-(general)
NEET Botany (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a diagram representing a terrestrial ecosystem with various trophic levels. If the diagram shows the detritus food chain (DFC) as a pathway for energy flow, what is the initial source of energy for the organisms in this chain?
A
Dead organic matter
B
Sunlight
C
Live plants
D
Herbivores
Correct Answer
Option A
Detailed Explanation
The detritus food chain begins with dead organic matter, which decomposers like fungi and bacteria break down to meet their energy and nutrient requirements.
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