NEET-UG SERIES
Chemistry

Environmental Chemistry

13 previous year questions.

Volume: 13 Ques
Yield: Medium

High-Yield Trend

1
2023
1
2022
1
2021
2
2019
1
2018
2
2017
1
2014
1
2012
1
2008
1
2006
1
2004

Chapter Questions
13 MCQs

01
PYQ 2004
medium
chemistry ID: neet-ug-
Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere
1

Ferrocene

2

Fullerenes

3

Freons

4

Polyhalogens

02
PYQ 2006
medium
chemistry ID: neet-ug-
Photochemical smog pollution does not contain:
1
ozone
2
nitrogen dioxide
3
carbon dioxide
4
PAN (Peroxy acyl Nitrate)
03
PYQ 2008
medium
chemistry ID: neet-ug-
Green chemistry means such reactions which
1
produce colour during reactions
2
reduce the use and production of hazardous chemicals
3
are related to the depletion of ozone layer
4
study the reactions in plants
04
PYQ 2012
medium
chemistry ID: neet-ug-
Which one of the following statements regarding photochemical smog is not correct?
1
Carbon monoxide does not play any role in photochemical smog formation
2
Photochemical smog is an oxidising agent in character
3
Photochemical smog is formed through photochemical reaction involving solar energy
4
Photochemical smog does not cause irritation in eyes and throat
05
PYQ 2014
medium
chemistry ID: neet-ug-
Which one of the following is not a commoncomponent of Photochemical Smog?
1
Acrolein
2
Peroxyacetyl nitrate
3
Chlorofluorocarbons
4
Ozone
06
PYQ 2017
medium
chemistry ID: neet-ug-
Which of the following is a sink for CO?
1
Haemoglobin
2
Micro-organisms present in the soil
3
Oceans
4
Plants
07
PYQ 2017
medium
chemistry ID: neet-ug-
Which of the following is a sink for ?
1
Micro organism present in the soil
2
Oceans
3
Plants
4
Haemoglobin
08
PYQ 2018
medium
chemistry ID: neet-ug-
Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity ?
1
2
3
4
09
PYQ 2019
medium
chemistry ID: neet-ug-
Among the following, the one that is not a green house gas is
1
nitrous oxide
2
methane
3
ozone
4
sulphur dioxide
10
PYQ 2019
medium
chemistry ID: neet-ug-
Among the following, the one that is not a green house gas is :
1
ozone
2
sulphur dioxide
3
nitrous oxide
4
methane
11
PYQ 2021
medium
chemistry ID: neet-ug-

Match List - I with List - II.

List - IList - II
(a) 2SO2 (g)+O2 (g) →2SO3(i) Acid rain
(b)HOCl(g) h →OH+Cl(ii) Smog
(c)CaCO3+H2SO4→CaSO4+H2O+CO2(iii)Ozone
(d)NO2(g) →NO(g)+O(g)(iv) Tropospheric

Choose the correct answer from the options given below.

1

(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

2

(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

3

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

4

(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

12
PYQ 2022
easy
chemistry ID: neet-ug-

The pollution due to oxides of sulphur gets enhanced due to the presence of:

  1. Particulate matter
  2. Ozone
  3. Hydrocarbons
  4. Hydrogen peroxide.

Choose the most appropriate answer from the options given below:

1
(a), (d) only
2
(a), (b), (d) only
3
(b), (c), (d) only
4
(a), (c), (d) only
13
PYQ 2023
medium
chemistry ID: neet-ug-

Given below are two statements:
Statement I: The nutrient deficient water bodies lead to eutrophication.
Statement II: Eutrophication leads to decrease in the level of oxygen in the water bodies.
In the ligth of the above statements , choose the correct answer from the options given below:

1

Both statement I and statement II are false

2

Statement I is correct but Statement II is false

3

Statement I is incoorect but Statement II is true

4

Both statement I and statement II are true

About Environmental Chemistry - NEET-UG

Environmental Chemistry is a vital chapter for NEET-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Environmental Chemistry PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Environmental Chemistry carry the most weight. Then, tackle the questions iteratively to solidify your understanding.