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Practice Fundamental Concepts - Ecology - Ecology and Evolution previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Year-wise coverage for Fundamental Concepts. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
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Question coverage for the most populated papers. Every active PYP paper remains listed below.
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| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Ecology and Evolution (EY) 2025 | 2025 | 2 | View paper |
| Ecology and Evolution (EY) 2024 | 2024 | 3 | View paper |
| Ecology and Evolution (EY) 2023 | 2023 | 6 | View paper |
| Ecology and Evolution (EY) 2022 | 2022 | 3 | View paper |
| Ecology and Evolution (EY) 2021 | 2021 | 3 | View paper |
| Ecology and Evolution (EY) 2020 | 2020 | 4 | View paper |
| Ecology and Evolution (EY) 2019 | 2019 | 2 | View paper |
| Ecology and Evolution (EY) 2018 | 2018 | 2 | View paper |
| Ecology and Evolution (EY) 2016 | 2016 | 4 | View paper |
| Ecology and Evolution (EY) 2014 | 2014 | 4 | View paper |
Practice every matching question in batches of 20, with every available option.
The value of the resting membrane potential of a typical neuron is closest to the equilibrium potential of which of the following ions?
Gut passage time is defined as the time taken from ingestion to excretion of a food item. Which among the following animals has the longest gut passage time?
The abundances of three species (P, Q, and R) were measured along a resource gradient. The resultant pattern is summarized in the figure. Which of the following statements can be inferred from niche theory?
Terrestrial plants conduct gas exchange through stomata. Having only few stomata on the leaf surface is a common adaptation to which one of the following conditions?
Some air-breathing marine vertebrates such as whales, seals and marine turtles possess adaptations for long, deep dives. Which one or more of the following is/are examples of such adaptations?
You are a plant ecologist studying a plant in the genus Veronica. You notice that, at open rocky sites, Veronica grows as a creeper spreading low to the ground, whereas in grasslands, the stem stands upright. You collect seeds from multiple populations in each habitat type and grow them under uniform conditions in a greenhouse. You find that all the plants grown in the greenhouse have stems that stand upright. Which one or more of the following explanations best support(s) your observations?
Decreasing surface area to volume ratio helps reduce heat loss in colder climates. In which one or more of the following observations does this play a role?
Showing 20 of 33 questions