ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 27 Environmental Chemistry

00:00
Question # 1

Which of the following waste material is not recycled for use again

Question # 2

Atmosphere of big/metropolitan cities is polluted most by

Question # 3

Which causes water pollution?

Question # 4

Minamata disease is due to pollution of

Question # 5

Soil salinity can be measured by

Question # 6

Carbon monoxide is pollutant as it

Question # 7

Chloroflurocarbon releases a chemical harmful to ozone

Question # 8

Mottling of teeth is due to presence of an element in drinking water

Question # 9

Hydrocarbans, SO2, CO, NH3, nitrogen oxides and compounds of fluorine are called

Question # 10

Potable water is considered to be

Question # 11

Which of the following is not an air

Question # 12

Which of the following human activities are contaminating surface and ground waters

Question # 13

Which step is unnecessary for purification of water for drinking purposes

Question # 14

Sulphur dioxide affects

Question # 15

Which gas is not a constituent of atmosphere

Question # 16

In purification of potable water the coagulant used is

Question # 17

Pollutant of automobile exhausts that affects nervous system/produces mental diseases is

Question # 18

Water which his considered to be safe for human consumption is known as

Question # 19

What is the cause of water pollution

Question # 20

Cyclone collector is used for minimizing

Question # 21

A single chlorine free radical can destroy how many ozone molecules

Question # 22

UV radiations bring about

Question # 23

When chlorofluoro carbon are subjected to U.V. they form

Question # 24

Chief source of water and soil pollution is

Question # 25

Eutrophication causes reduction in

Question # 26

BOD is

Question # 27

A pollutant affects

Question # 28

Which is not a method for solid waste management

Question # 29

Biodegradable pollutant is

Question # 30

Spraying of DDT produces pollution of

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 27 Environmental Chemistry MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 27 Environmental Chemistry MCQ`s Test

  • F
    Farzand Shah Farzand Shah 10 - Apr - 2024 03 Min 00 Sec 120/120
  • T
    Tanzeel Ur Rehman 28 - May - 2024 04 Min 15 Sec 115/120
  • M
    M Umer Arain 24 - Dec - 2024 00 Min 04 Sec 110/120
  • A
    Alyna Fatima 25 - Mar - 2024 03 Min 12 Sec 110/120
  • S
    Sarosh Amjad 21 - Jan - 2025 03 Min 44 Sec 110/120
  • A
    Abid Ali 19 - May - 2024 10 Min 33 Sec 110/120
  • A
    Alyna Fatima 25 - Mar - 2024 03 Min 28 Sec 105/120
  • Z
    Zainab Tahira 14 - Jun - 2026 03 Min 29 Sec 104/120
  • Z
    Zaman Shehzad 24 - May - 2024 09 Min 53 Sec 95/120
  • M
    Muhammad Uzair 05 - Jun - 2024 03 Min 33 Sec 90/120
  • Z
    Zargaii 92 29 - May - 2024 06 Min 59 Sec 90/120
  • C
    Cricket Expert's 27 - May - 2024 03 Min 01 Sec 85/120
  • M
    Muhammad Saleem 06 - Dec - 2024 13 Min 11 Sec 85/120
  • T
    tayyab ali 20 - May - 2024 19 Min 22 Sec 80/120
  • C
    Computer mail 10 - Feb - 2026 07 Min 01 Sec 76/120

ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
2 Sulphur dioxide affects
A. Cell wall
B. Plasmodesmata
C. All membrane systems
D. Nucleus
3 Domestic waste mostly constitutes
A. Non-biodegradable pollution
B. Biodegradable pollution
C. Effluents
D. Air pollution
4 In the atmosphere, O2is about
A. 10%
B. 15%
C. 21%
D. 25%
5 Burning of fossil fuels is the main source of pollution
A. Nitrogen oxide
B. Nitric oxide
C. Nitrous oxide
D. Sulphur dioxide
6 In the atmosphere, CO2is about
A. 0.01%
B. 0.03%
C. 0.05%
D. 0.09%
7 Carbon monoxide is harmful to human beings as it
A. Is carcinogenic
B. Is antagonistic to CO2
C. Has higher affinity for hemoglobin as compared to oxygen
D. Is destructive to O3
8 Air pollution is not caused by
A. Pollen grains
B. Hydroelectric power
C. Industries
D. Automobiles
9 Which one is the most toxic?
A. Carbon
B. CO
C. CO2
D. SO2
10 Result of ozone hole is
A. Green house effect
B. Global warming
C. Acid rain
D. UV rays reach the earth

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!