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

The amount of Si in the lithosphere is about

Question # 2

Which of the following forms a toxic substance in blood by combing with hemoglobin?

Question # 3

In the atmosphere, CO2is about

Question # 4

Atomospheric pollutant is

Question # 5

Soil salinity can be measured by

Question # 6

Increasing skin cancer and high mutation rate are due to

Question # 7

Water pollution is mainly due to

Question # 8

Biodegradable pollutant is

Question # 9

Air pollution is not caused by

Question # 10

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

Question # 11

Which gas is not a constituent of atmosphere

Question # 12

Minamata disease is due to pollution of

Question # 13

What is the cause of water pollution

Question # 14

Acid rain is due to increase in atmospheric concentration of

Question # 15

Environmental pollution affects

Question # 16

SO2and NO2produce pollution by increasing

Question # 17

SO2Makes ______ acid rains

Question # 18

Most hazardous metal pollutant of automobile exhaust is

Question # 19

Domestic waste mostly constitutes

Question # 20

The 95.5% mass of Lithosphone is made of 11 elements i.e. O2, Si, Al, Fe, Ca, Na, K, Mg, Ti, H2and P. which element is present in trace amount

Question # 21

Which one is the most toxic?

Question # 22

In water the most important oxidizing agent is dissolved molecular oxygen which ranges from

Question # 23

Result of ozone hole is

Question # 24

The pH range of the acid rain is

Question # 25

Soil remediation means

Question # 26

Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?

Question # 27

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

Question # 28

Carbon monoxide is pollutant as it

Question # 29

A pollutant affects

Question # 30

Atmosphere of big/metropolitan cities is polluted most by

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 Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?
A. Fullerences
B. Freons
C. Polyhalogens
D. Ferrocene
3 The normal amount of overhead ozone is about
A. 250 Du
B. 300 DU
C. 350 DU
D. 400 DU
4 Chlorofluorocarbon, CF2CI2, plays an effective role in removing O3(ozone) in the stratosphere. Which reaction does not cause the depletion of ozone
5 Environmental pollution affects
A. Biotic components
B. Plants only
C. Man only
D. Biotic and abiotic components of environment
6 Chromium (VI) is highly toxic and can cause
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
7 Which one is the most toxic?
A. Carbon
B. CO
C. CO2
D. SO2
8 Which of the following waste material is not recycled for use again
A. Paper
B. Plastic
C. Hides of animals
D. Glass
9 Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due
A. Combining with oxygen to form carbon dioxide
B. Destruction of hemoglobin
C. Preventing reaction between oxygen and hemoglobin
D. Forming stable compound with hemoglobin
10 B.O.D is connected with
A. Organic matter
B. Microbes
C. Mircrobes and organic matter
D. None of the above

Test Questions

Is this page helpful?