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Previous year question hub

Environmental Science & Engineering Previous Year Questions

Practice Environmental Science & Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

6Papers
6Years
330Questions
9Topics

Environmental Science & Engineering question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Environmental Science & Engineering. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 192 58.2%
Medium 137 41.5%
Hard 1 0.3%

Question type distribution

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

MCQ 145 43.9%
Numerical Answer Type (NAT) 122 37%
MSQ 63 19.1%

Subject weightage

Top subjects by unique question coverage.

Environmental Science & Engineering
330 Qs

Most asked topics

Top topics across the included previous year papers.

Mathematics Foundation
57 Qs
Air and Noise Pollution
47 Qs
Water & Wastewater Treatment and Management
45 Qs
Water Resources and Environmental Hydraulics
44 Qs
Environmental Microbiology
37 Qs
Solid and Hazardous Waste Management
32 Qs
Environmental Chemistry
28 Qs
Environmental Management and Sustainable Development
26 Qs
Global and Regional Environmental Issues
14 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Calculus
31 Qs
Air Pollution Sources, Effects and Standards
22 Qs
Environmental Hydraulics
22 Qs
Municipal solid waste management
21 Qs
Kinetics and reactor design
15 Qs
Probability and Statistics
14 Qs
Environmental Law and Policy
14 Qs
Principles of Water Chemistry
13 Qs
Fundamentals of Environmental Chemistry
12 Qs
Linear Algebra
12 Qs
Surface Water Resources
12 Qs
Prokaryotic and Eukaryotic Microorganisms
11 Qs
Drinking-water Treatment and Distribution
10 Qs
Global effects of air pollution
10 Qs
Groundwater Resources
10 Qs
Microbial Metabolism
10 Qs
Water Quality and Receiving-water Pollution
9 Qs
Particulate Pollutants
9 Qs
Growth and Control of Microorganisms
9 Qs
Air Quality Management
8 Qs
Sewerage and Sewage Treatment
7 Qs
Environmental Management Systems; ISO14000 series; Environmental Auditing
5 Qs
Noise Pollution
5 Qs
Ecology, Biodiversity and Environmental Degradation
4 Qs
Hazardous waste management
4 Qs
Cell Chemistry and Cell Biology
4 Qs
Energy and Environment
4 Qs
Industrial Effluents, Recycling and Zero Liquid Discharge
4 Qs
Microbiology and Health
3 Qs
Sustainable Development
3 Qs
Integrated Waste Management and Regulations
3 Qs
Gaseous Pollutants
3 Qs
and E-waste
2 Qs
Biomedical, Plastic, Construction and Energy-sector Waste
2 Qs
Soil Chemistry
2 Qs
Atmospheric Chemistry
1 Qs

Paper coverage

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

Environmental Science & Engineering (ES) 2026
55 Qs
Environmental Science & Engineering (ES) 2025
55 Qs
Environmental Science & Engineering (ES) 2024
55 Qs
Environmental Science & Engineering (ES) 2023
55 Qs
Environmental Science & Engineering (ES) 2022
55 Qs
Environmental Science & Engineering (ES) 2021
55 Qs

Browse by topics

Open a focused page built from the same verified paper data.

Mathematics Foundation

Explore previous-paper coverage, trends and focused practice for Mathematics Foundation.

57 questions6 papers6 years

Air and Noise Pollution

Explore previous-paper coverage, trends and focused practice for Air and Noise Pollution.

47 questions6 papers6 years

Water & Wastewater Treatment and Management

Explore previous-paper coverage, trends and focused practice for Water & Wastewater Treatment and Management.

45 questions6 papers6 years

Water Resources and Environmental Hydraulics

Explore previous-paper coverage, trends and focused practice for Water Resources and Environmental Hydraulics.

44 questions6 papers6 years

Environmental Microbiology

Explore previous-paper coverage, trends and focused practice for Environmental Microbiology.

37 questions6 papers6 years

Solid and Hazardous Waste Management

Explore previous-paper coverage, trends and focused practice for Solid and Hazardous Waste Management.

32 questions6 papers6 years

Environmental Chemistry

Explore previous-paper coverage, trends and focused practice for Environmental Chemistry.

28 questions6 papers6 years

Environmental Management and Sustainable Development

Explore previous-paper coverage, trends and focused practice for Environmental Management and Sustainable Development.

26 questions6 papers6 years

Global and Regional Environmental Issues

Explore previous-paper coverage, trends and focused practice for Global and Regional Environmental Issues.

14 questions6 papers6 years

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Environmental Science & Engineering (ES) 2026202655View paper
Environmental Science & Engineering (ES) 2025202555View paper
Environmental Science & Engineering (ES) 2024202455View paper
Environmental Science & Engineering (ES) 2023202355View paper
Environmental Science & Engineering (ES) 2022202255View paper
Environmental Science & Engineering (ES) 2021202155View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2024 · Environmental Science & Engineering · Mathematics Foundation · Probability and Statistics
Environmental Science & Engineering (ES) 2024
Ten cards in a pack are numbered as 1, 2, 3. . . .10. The probability of drawing a card with an even number or a number which is a multiple of 5 from the pack is _____.
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2
2025 · Environmental Science & Engineering · Mathematics Foundation · Calculus
Environmental Science & Engineering (ES) 2025
Assuming \(s > |a|\); Laplace transform of \(f(x) = \cosh ax\) is
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3
2021 · Environmental Science & Engineering · Mathematics Foundation · Calculus
Environmental Science & Engineering (ES) 2021
A tangent is drawn on the curve of the function y = x^2 at the point (x, y) = (3, 9). The slope of the tangent is ______.
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4
2022 · Environmental Science & Engineering · Mathematics Foundation · Probability and Statistics
Environmental Science & Engineering (ES) 2022
A student reported following arsenic concentrations in water samples:
Arsenic concentration (mg/L)0.100.120.200.050.400.300.35

Which one of the following is a correct statement about arsenic concentration distribution?
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5
2023 · Environmental Science & Engineering · Mathematics Foundation · Calculus
Environmental Science & Engineering (ES) 2023
Given are two ordinary differential equations
P: \(\frac{dy}{dx} + x = x \sin y\)
Q: \(\frac{dy}{dx} + x y = e^x y\)
The correct choice is
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6
2026 · Environmental Science & Engineering · Mathematics Foundation · Linear Algebra
Environmental Science & Engineering (ES) 2026
If \(2X + \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} = \begin{bmatrix} 3 & 8 \\ 7 & 2 \end{bmatrix}\), then \(X\) is ______.
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