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

Ozone in most of the tropical regions acts as a pollutant and causes

Question # 2

NO and NO2gases in atmosphere are represented by

Question # 3

DDT is

Question # 4

Which is not a component of environment

Question # 5

Industrial effuents have toxic synthetic organic compounds as well as heavy metals like

Question # 6

Which gas is not a constituent of atmosphere

Question # 7

Chromium (VI) is highly toxic and can cause

Question # 8

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

Question # 9

Which gasses are produced from landfills

Question # 10

Water pollution is mainly due to

Question # 11

B.O.D is connected with

Question # 12

Air pollution is not caused by

Question # 13

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

Question # 14

The film forming components of paints are

Question # 15

Pick up the correct statement

Question # 16

Polycyolic aromatic hydrocarbons are taught to be

Question # 17

Which is not a method for solid waste management

Question # 18

Shahi Qilla may be destroyed by

Question # 19

Atmosphere of big/metropolitan cities is polluted most by

Question # 20

Chief air pollutant which is likely to deplete ozone layer

Question # 21

Chief source of water and soil pollution is

Question # 22

Ozone hole refers to

Question # 23

Increasing skin cancer and high mutation rate are due to

Question # 24

Depletion of ozone layer is due to

Question # 25

Drained sewage has B.O.D

Question # 26

The pH range of the acid rain is

Question # 27

Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?

Question # 28

Cyclone collector is used for minimizing

Question # 29

Spraying of DDT produces pollution of

Question # 30

Potable water is considered to be

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
  • A
    Arian Ahmed 12 - Mar - 2024 00 Min 05 Sec 115/120
  • 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
  • R
    Rana Muzamil 12 - Mar - 2024 05 Min 04 Sec 100/120
  • 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

ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 The amount of Si in the lithosphere is about
A. 27.72%
B. 30.35%
C. 35.30%
D. 40.21%
2 Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?
A. Ozone
B. Nitrous oxide
C. Sulphure dioxide
D. Carbon monoxide
3 Ecosystem is a smaller unit of
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Atmosphere
4 Chief source of water and soil pollution is
A. Mining
B. Thermal power plant
C. Agro-industry
D. All the above
5 The film forming components of paints are
A. Resins
B. Thinners
C. Pigments
D. Driers
6 Chromium (VI) is highly toxic and can cause
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
7 Which of the following waste material is not recycled for use again
A. Paper
B. Plastic
C. Hides of animals
D. Glass
8 Chlorofluorocarbon, CF2CI2, plays an effective role in removing O3(ozone) in the stratosphere. Which reaction does not cause the depletion of ozone
9 In the atmosphere, O2is about
A. 10%
B. 15%
C. 21%
D. 25%
10 Result of ozone hole is
A. Green house effect
B. Global warming
C. Acid rain
D. UV rays reach the earth

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!