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Previous year question hub

Macroevolution - Evolution - Ecology and Evolution Previous Year Questions

Practice Macroevolution - Evolution - Ecology and Evolution previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

7Papers
7Years
7Questions
1Topics

Macroevolution question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 3 42.9%
Medium 3 42.9%
Hard 1 14.3%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 5 71.4%
MSQ 2 28.6%

Subject weightage

Top subjects by unique question coverage.

Ecology and Evolution
7 Qs

Most asked topics

Top topics across the included previous year papers.

Evolution
7 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Macroevolution
7 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Ecology and Evolution (EY) 2025
1 Qs
Ecology and Evolution (EY) 2024
1 Qs
Ecology and Evolution (EY) 2023
1 Qs
Ecology and Evolution (EY) 2022
1 Qs
Ecology and Evolution (EY) 2019
1 Qs
Ecology and Evolution (EY) 2018
1 Qs
Ecology and Evolution (EY) 2016
1 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Ecology and Evolution (EY) 20252025
1 questions in this view		2025
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20242024
1 questions in this view		2024
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20232023
1 questions in this view		2023
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20222022
1 questions in this view		2022
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20192019
1 questions in this view		2019
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20182018
1 questions in this view		2018
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Ecology and Evolution (EY) 20162016
1 questions in this view		2016
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Macroevolution previous year questions

Practice every matching question in batches of 20, with every available option.

1
2018 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2018
During the Pleistocene, which of the following groups experienced the largest mass extinction?
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2
2019 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2019

A phylogenetic study finds that certain plants of peninsular India are more closely related to those in Australia than to those in China. Which of the following statements best explains this result?

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3
2024 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2024

A phylogenetic tree for the evolution of two pigmentation traits in species of fish is shown for clades X, Y and Z. Genes A and/or B, if mutated, can cause dark pigmentation in the body. Which one or more of the following statements is/are correct?

Source question diagram

Source question diagram

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4
2025 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2025
A phylogenetic tree representing the evolutionary relationship between various vertebrates is shown below.

Given this tree topology, which one or more of the following statements is/are correct?

Source question diagram

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5
2016 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2016
Fresh water fish belonging to the family Galaxiidae are found exclusively in the southern parts of the continents of South America, Africa and Australia. This pattern is explained by the theory proposed by:
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6
2022 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2022
Which one or more of the following reasons has/have been invoked to explain island gigantism?
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7
2023 · Ecology and Evolution · Evolution · Macroevolution
Ecology and Evolution (EY) 2023
The mode of speciation in snakes in the Western Ghats is predominantly allopatric. A researcher wants to quantify diversification of snakes in this range. From the options given, choose the most cost and time efficient way to sample snakes.
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