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Previous year question hub

Air and Noise Pollution - Environmental Science & Engineering Previous Year Questions

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

6Papers
6Years
47Questions
1Topics

Air and Noise Pollution question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Air and Noise Pollution. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 28 59.6%
Medium 19 40.4%

Question type distribution

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

MCQ 19 40.4%
Numerical Answer Type (NAT) 15 31.9%
MSQ 13 27.7%

Subject weightage

Top subjects by unique question coverage.

Environmental Science & Engineering
47 Qs

Most asked topics

Top topics across the included previous year papers.

Air and Noise Pollution
47 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Air Pollution Sources, Effects and Standards
22 Qs
Particulate Pollutants
9 Qs
Air Quality Management
8 Qs
Noise Pollution
5 Qs
Gaseous Pollutants
3 Qs

Paper coverage

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

Environmental Science & Engineering (ES) 2026
10 Qs
Environmental Science & Engineering (ES) 2025
9 Qs
Environmental Science & Engineering (ES) 2024
8 Qs
Environmental Science & Engineering (ES) 2023
6 Qs
Environmental Science & Engineering (ES) 2022
7 Qs
Environmental Science & Engineering (ES) 2021
7 Qs

Browse by subtopics

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

Air Pollution Sources, Effects and Standards

Explore previous-paper coverage, trends and focused practice for Air Pollution Sources, Effects and Standards.

22 questions6 papers6 years

Particulate Pollutants

Explore previous-paper coverage, trends and focused practice for Particulate Pollutants.

9 questions6 papers6 years

Air Quality Management

Explore previous-paper coverage, trends and focused practice for Air Quality Management.

8 questions5 papers5 years

Noise Pollution

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

5 questions5 papers5 years

Gaseous Pollutants

Explore previous-paper coverage, trends and focused practice for Gaseous Pollutants.

3 questions2 papers2 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) 2026202610View paper
Environmental Science & Engineering (ES) 202520259View paper
Environmental Science & Engineering (ES) 202420248View paper
Environmental Science & Engineering (ES) 202320236View paper
Environmental Science & Engineering (ES) 202220227View paper
Environmental Science & Engineering (ES) 202120217View paper

Sample previous year questions

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

1
2024 · Environmental Science & Engineering · Air and Noise Pollution · Air Pollution Sources, Effects and Standards
Environmental Science & Engineering (ES) 2024
The environmental temperature increases by 6 °C/km with height at a particular location. The stability condition of the atmosphere at the location is ______.
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2
2025 · Environmental Science & Engineering · Air and Noise Pollution · Air Pollution Sources, Effects and Standards
Environmental Science & Engineering (ES) 2025

Consider the following statements

P : According to the National Ambient Air Quality Standards (Central Pollution Control Board, Govt. of India, notification 2009), annual time weighted average PM10 standard is more than PM2.5 standard.

Q : According to the National Air Quality Index released by Govt. of India in 2015, sub index value of PM10 can be less than that of PM2.5.

Choose the correct option from the following

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3
2021 · Environmental Science & Engineering · Air and Noise Pollution · Air Pollution Sources, Effects and Standards
Environmental Science & Engineering (ES) 2021
A sample of air is collected in the morning at an ambient temperature of 25 °C. The concentration of carbon monoxide (CO) in this sample is 30 ppmv (ppm by volume). The same sample is analysed later in the afternoon when the sample temperature is 35 °C. The analysis results will show the CO concentration as __________.
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4
2022 · Environmental Science & Engineering · Air and Noise Pollution · Gaseous Pollutants
Environmental Science & Engineering (ES) 2022
Which one of the following is most commonly used raw material in flue gas desulfurization units?
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5
2023 · Environmental Science & Engineering · Air and Noise Pollution · Air Pollution Sources, Effects and Standards
Environmental Science & Engineering (ES) 2023
Which of the following is true according to the Central Pollution Control Board (CPCB), Government of India’s notification issued in the year 2009?
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6
2026 · Environmental Science & Engineering · Air and Noise Pollution · Particulate Pollutants
Environmental Science & Engineering (ES) 2026
In the design of air pollution control devices, size of the particles that are removed with 50% efficiency is termed as ______.
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