Sample Questions — Ecosystem–Structure and Function
Try 5 questions below from Ecosystem–Structure and Function. Get all 20 in the MedicNEET app.
MCQ
Match-the-Column:
Column I
A. Top vertical layer
B. Middle vertical layer
C. Bottom vertical layer
Column II
1. Herbs and grasses
2. Trees
3. Shrubs
✅ Correct Answer: C
According to NCERT, trees form the top stratum, shrubs the second, and herbs/grasses the bottom.
MCQ
Which of the following is a correct function performed in all ecosystems?
✅ Correct Answer: B
Energy flows unidirectionally through the trophic levels with dissipation as heat.
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MCQ
Which of the following is considered a man-made ecosystem?
✅ Correct Answer: D
NCERT lists crop fields and aquariums as examples of man-made ecosystems.
MCQ
Which of the following options contains only biotic components of a pond ecosystem?
✅ Correct Answer: B
Biotic components include all living organisms—producers, consumers, and decomposers. Others like water, sunlight, temperature are abiotic.
MCQ
Assertion (A): The desert ecosystem is ideal to understand ecosystem functions.
Reason (R): It exhibits all components like productivity, energy flow, decomposition, and nutrient cycling.
✅ Correct Answer: D
The pond ecosystem not desert, is ideal to understand ecosystem functions.
The pond is a simple and self-sustaining system that demonstrates all functional processes.
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