NEET PYQs for Energy Flow Through Ecosystems with Solutions: Practice NEET Previous Year Questions

Updated on - Jan 19, 2026

Energy Flow Through Ecosystems is an important topic in the Biology section in NEET exam. Practising this topic will increase your score overall and make your conceptual grip on NEET exam stronger.

This article gives you a full set of NEET PYQs for Energy Flow Through Ecosystems with explanations for effective preparation. Practice of NEET Biology PYQs including Energy Flow Through Ecosystems questions regularly will improve accuracy, speed, and confidence in the NEET 2026 exam.

NEET PYQs for Energy Flow Through Ecosystems with Solutions

1.
The most likely reason for the development of resistance against pesticides in insects damaging a crop is
- Genetic recombination
- Directed mutations
- Acquired heritable changes
- Random mutations
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2.
The primary producers of the deep-sea hydrothermal vent ecosystem are
- green algae
- chemosynthetic bacteria
- blue-green algae
- coral reefs
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3.
The dominant second trophic level, in a lake ecosystem, is
- phytoplankton
- zooplankton
- benthos
- plankton.
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4.
If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant \(→\) Mice \(→\) Snake \(→\) Peacock
- 0.002 J
- 0.2 J
- 0.0002 J
- 0.02 J
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