ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

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	Increased asthmatic attacks in certain seasons are related to	A. Inhalation of seasonal pollen B. Eating of seasonal vegetables C. Low temperature D. Wet and dry environment
2	Minamata disease is due to pollution of	A. Organic waste into drinking water B. Oil spill in water C. Industrial waste containing mercury into fishing water D. Arsenic into the atmosphere
3	UV radiations bring about	A. Skin cancer B. Mouth cancer C. Lung cancer D. Liver cancer
4	SO₂Makes ______ acid rains	A. Carbonic acid B. Sulfuric C. Nitric acid D. All of these
5	Water pollution is mainly due to	A. Sulphure dioxide B. Carbon dioxide C. Oxygen D. Industrial discharges
6	A single chlorine free radical can destroy how many ozone molecules	A. 100 B. 100000 C. 10000 D. 10
7	Ozone hole is maximum over	A. Europe B. Antarctica C. Asia D. Africa
8	When rain is accompanied by a thunderstorm, the collected rain water will have a pH value	A. Uninfluenced by occurrence of thuderstorm B. Which depends on the amount of dust in air C. Slightly lower than that of rain water without thunderstorm D. Slighlty higher than that when the thunderstom is not there
9	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	A. Iodine B. Bromine C. Lead D. Carbon
10	Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will bot cause water pollution	A. Live stock waste B. Agricultural pesticides C. Oil breaks and spills D. All of the above

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

ECAT Chemistry Chapter 27 Environmental Chemistry

Acid rain is due to increase in atmospheric concentration of

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

Which heavy metals do not have any safe limits

Phosphate pollution is caused by

Ultraviolet radiation from sun causes a reaction that produces

Which one is not a pollutant normally?

Cyclone collector is used for minimizing

Value of chemical oxygen demand (COD) is a measure of chemically oxidizable matter in water. Which value of COD will indicate more polluted water

Exposure to CO results in

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

Which gas is not a constituent of atmosphere

Which factor is helping to reduce the environmental pollution

Which step is unnecessary for purification of water for drinking purposes

Which is not the condition for the formation of smog

Swage water is purified by

Increasing skin cancer and high mutation rate are due to

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

Burning of fossil fuels is the main source of pollution

What is the cause of water pollution

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy

Water pollution is mainly due to

Pick up the correct statement

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

Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will bot cause water pollution

Ecosystem is a smaller unit of

In purification of potable water the coagulant used is

Pollution is

The amount of Si in the lithosphere is about

Water is often treated with chlorine to

Increased asthmatic attacks in certain seasons are related to

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

Set 1

Set 2

Set 3

Set 4

Topic Test

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

ECAT Chemistry Chapter 27 Important MCQ's

Test Questions

Share your comments & questions here