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

Chief source of water and soil pollution is

Question # 2

Minamata disease is due to pollution of

Question # 3

In incinerating the waste is burnt at

Question # 4

What is the cause of water pollution

Question # 5

Air pollution is not caused by

Question # 6

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

Question # 7

The amount of oxygen in the lithosphere is about

Question # 8

The toxic organic compounds and heavy metals and metalloids results in contamination of

Question # 9

Which gas is not a constituent of atmosphere

Question # 10

Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as

Question # 11

SO2and NO2produce pollution by increasing

Question # 12

B.O.D is connected with

Question # 13

Biodegradable pollutant is

Question # 14

Which one is not a pollutant normally?

Question # 15

Which step is unnecessary for purification of water for drinking purposes

Question # 16

As it passes into food chain, the concentration of DDT

Question # 17

In the atmosphere, O2is about

Question # 18

Ecology is a science of environment and deals specially with

Question # 19

Increasing skin cancer and high mutation rate are due to

Question # 20

Which one is the major reason for pollution in high cities?

Question # 21

In the atmosphere, CO2is about

Question # 22

Chloroflurocarbon releases a chemical harmful to ozone

Question # 23

The pH of the rain water in areas where acid rain is the cause of pollution may be

Question # 24

Carbon monoxide is pollutant as it

Question # 25

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

Question # 26

Which factor is helping to reduce the environmental pollution

Question # 27

Surface and ground water sources are contaminated by various human activities. Which of the followings is not a human activity that causes contamination in fresh water

Question # 28

Phosphate pollution is caused by

Question # 29

Water pollution is mainly due to

Question # 30

Ozone hole refers to

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 is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
2 The normal amount of overhead ozone is about
A. 250 Du
B. 300 DU
C. 350 DU
D. 400 DU
3 Eutrophication causes reduction in
A. Dissolved hydrogen
B. Dissolved oxygen
C. Dissolved salts
D. All the above
4 Fungicides are the pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
5 Chromium (VI) is highly toxic and can cause
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
6 Cyclone collector is used for minimizing
A. Radioactive pollution
B. Air pollution
C. Noise pollution
D. Water pollution
7 Swage water is purified by
A. Microorganisms
B. Light
C. Fishes
D. Aquatic plants
8 Photochemical smog is caused by
A. CO
B. CO2
C. O3
D. NO2
9 The region of earth capable of supporting life is
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Atmosphere
10 Mottling of teeth is due to presence of an element in drinking water
A. Mercury
B. Fluorine
C. Boron
D. Chlorine

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!