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Previous year question hub

Ecology, Biodiversity and Environmental Degradation - Global and Regional Environmental Issues - Environmental Science & Engineering Previous Year Questions

Practice Ecology, Biodiversity and Environmental Degradation - Global and Regional Environmental Issues - Environmental Science & Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

4Papers
4Years
4Questions
1Topics

Ecology, Biodiversity and Environmental Degradation question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Ecology, Biodiversity and Environmental Degradation. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 3 75%
Medium 1 25%

Question type distribution

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

MCQ 4 100%

Subject weightage

Top subjects by unique question coverage.

Environmental Science & Engineering
4 Qs

Most asked topics

Top topics across the included previous year papers.

Global and Regional Environmental Issues
4 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Ecology, Biodiversity and Environmental Degradation
4 Qs

Paper coverage

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

Environmental Science & Engineering (ES) 2026
1 Qs
Environmental Science & Engineering (ES) 2024
1 Qs
Environmental Science & Engineering (ES) 2023
1 Qs
Environmental Science & Engineering (ES) 2022
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Environmental Science & Engineering (ES) 202620261View paper
Environmental Science & Engineering (ES) 202420241View paper
Environmental Science & Engineering (ES) 202320231View paper
Environmental Science & Engineering (ES) 202220221View paper

All Ecology, Biodiversity and Environmental Degradation previous year questions

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

1
2024 · Environmental Science & Engineering · Global and Regional Environmental Issues · Ecology, Biodiversity and Environmental Degradation
Environmental Science & Engineering (ES) 2024
As per the United Nations Environmental Program (UNEP) guidelines 2004, the maximum size of microplastics is ______.
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2
2022 · Environmental Science & Engineering · Global and Regional Environmental Issues · Ecology, Biodiversity and Environmental Degradation
Environmental Science & Engineering (ES) 2022

In context of ecosystems, which one of the following is NOT a correct statement?

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3
2023 · Environmental Science & Engineering · Global and Regional Environmental Issues · Ecology, Biodiversity and Environmental Degradation
Environmental Science & Engineering (ES) 2023
Read the following statements
I. According to the Liebig's law of minimum, the growth is regulated by the limited factors i.e., resources in scarcity and not by the resources in abundance.
II. Shelford's law of tolerance states that, only the factors present in excess/abundance can affect the growth, development of an organism or rate of biological process.
III. Shelford's law of tolerance states that, an organism's success is based on a complex set of conditions and that each organism has a certain minimum, maximum, and optimum levels of environmental factor or combination of factors that determine success.
The correct choice is
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4
2026 · Environmental Science & Engineering · Global and Regional Environmental Issues · Ecology, Biodiversity and Environmental Degradation
Environmental Science & Engineering (ES) 2026
A species whose impact on an ecosystem is disproportionately large in comparison to its population is called ______ species.
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