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