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

Chloroflurocarbon releases a chemical harmful to ozone

Question # 2

Ultraviolet radiation from sun causes a reaction that produces

Question # 3

SO2and NO2produce pollution by increasing

Question # 4

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

Question # 5

NO and NO2gases in atmosphere are represented by

Question # 6

Sulphur dioxide affects

Question # 7

The pH range of the acid rain is

Question # 8

Phosphate pollution is caused by

Question # 9

In Antarctica ozone depletion is due to the formation of following compound

Question # 10

In the atmosphere, CO2is about

Question # 11

Minamata disease is due to pollution of

Question # 12

Which gasses are produced from landfills

Question # 13

Fungicides are the pesticides which

Question # 14

Water pollution is mainly due to

Question # 15

Which is not the condition for the formation of smog

Question # 16

To purify water which has mud dissolved in it, A substance which coagulates the suspended particles is used. The coagulant may be

Question # 17

Photochemical smog is caused by

Question # 18

Chromium (VI) is highly toxic and can cause

Question # 19

The amount of Si in the lithosphere is about

Question # 20

Increased asthmatic attacks in certain seasons are related to

Question # 21

Classical smog occurs in palces of

Question # 22

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due

Question # 23

Ecology is a science of environment and deals specially with

Question # 24

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

Question # 25

Chief air pollutant which is likely to deplete ozone layer

Question # 26

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

Question # 27

Shahi Qilla may be destroyed by

Question # 28

UV radiations bring about

Question # 29

BOD is

Question # 30

Drawback DDT as presticide is

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
    Zaman Shehzad 24 - May - 2024 09 Min 53 Sec 95/120
  • M
    Muhammad Uzair 05 - Jun - 2024 03 Min 33 Sec 90/120
  • A
    Azeema Siddique Muhammad Siddique 13 - Mar - 2024 04 Min 24 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 of the following waste material is not recycled for use again
A. Paper
B. Plastic
C. Hides of animals
D. Glass
2 Increasing skin cancer and high mutation rate are due to
A. Acid rain
B. Ozone depletion
C. CO pollution
D. CO2Pollution
3 Drained sewage has B.O.D
A. More than that of water
B. Less than that of water
C. Equal to that of water
D. None of the above
4 Ozone hole is maximum over
A. Europe
B. Antarctica
C. Asia
D. Africa
5 Depletion of ozone layer is due to
A. Oxides of nitrogen
B. Oxides of carbon
C. Oxides of sulphur
D. None of the above
6 UV radiations bring about
A. Skin cancer
B. Mouth cancer
C. Lung cancer
D. Liver cancer
7 Carbon monoxide is pollutant as it
A. Inactivates nerves
B. Inhibits glycolysis
C. Combines with oxygen
D. Combines with hemoglobin
8 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
9 In incinerating the waste is burnt at
A. 1000°C
B. 100°C
C. 2000°C
D. 1500°C
10 BOD is
A. Biological oxygen deficit
B. Biosphere oxygen demand
C. Biological oxygen demand
D. None of the above

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!