Ecosystems NEET PYQ — Previous Year Questions with Answers

NEET 2015Productivity

Which ecosystem has the highest net primary productivity?

NEET 2016Food Chain

Which one of the following has the largest population in a food chain?

NEET 2017Productivity

Secondary productivity is defined as:

NEET 2018Nutrient Cycling

In the phosphorus cycle, the major reservoir is:

NEET 2019Food Chain

The correct representation of the food chain in a lake is:

NEET 2020Energy Flow

The 10% law of energy transfer was given by:

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Ecosystems — NEET PYQ Analysis

Ecosystems is a Class 12 Botany chapter that has been consistently tested in NEET from 2015 to 2020. This page contains 6 authentic previous year questions from actual NEET exam papers — not model questions or predictions.

Understanding how NEET frames questions from this chapter is crucial for scoring well. Topics frequently tested include Productivity, Food Chain, Nutrient Cycling and 1 more. Check the NEET Biology chapter-wise weightage analysis to see how this chapter ranks in importance across 10 years of NEET exams. For comprehensive practice with detailed NCERT-based explanations, download the MedicNEET app which covers 10,000+ questions across the full Biology syllabus.