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Chapter 21 is an important part of MDCAT Chemistry that covers polymers and biological macromolecules. It includes the formation and uses of addition polymers like polyethene, polystyrene, and polyvinyl chloride (PVC), as well as condensation polymers such as polyesters (terylene) and polyamides (nylon-6,6). Understanding these topics helps students grasp how small molecules combine to form large, useful materials found in everyday life.
This chapter also explains the structure of proteins , including their primary and secondary structures , and the structure and function of nucleic acids (DNA) , which carry genetic information. By attempting the MDCAT Chemistry Chapter 21 MCQ Test with Answers , students can review key concepts, check their understanding, and strengthen their preparation for the exam.
MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test
Try The MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test
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Total Questions20
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Time Allowed20
MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test
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Question # 1
Incineration is a process in which solid waste is burned at high temperature ranging from
Question # 2
Chromium (VI) is highly toxic and can cause
Question # 3
Ozone is most of the tropical regions acts as a pollutant and causes
Question # 4
Water bodies are included in:
Question # 5
Water is purified by the process:
Question # 6
Many petroleum products are:
Question # 7
SO2and NO2cause pollution due to increase in
Question # 8
Amount of ozone in atmosphere is expressed in units:
Question # 9
Ozone layer is high:
Question # 10
Which of spectral lines when atoms are subjected to strong electric field is called:
Question # 11
Detergent greatly effects the
Question # 12
Forms of waste products:
Question # 13
Which gas is not a constituent of atmosphere?
Question # 14
Chemical equilibrium involving reactants and products in more than one phase is called:
Question # 15
Test of incomplete combustion of petrol in the presence of
Question # 16
Ecology is a science of environment and deals specially with
Question # 17
Which is used as a coagulant:
Question # 18
Primary pollutants are:
Question # 19
In the atmosphere, O2is about
Question # 20
The pH rain of acid rain is
Prepare Complete Set Wise MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQs Online With Answers
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Set 1
20 Questions
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Set 2
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Set 3
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Set 4
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Set 5
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Set 6
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Set 7
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Set 8
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Set 9
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
3 Questions
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Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test
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M Munaza 11 - Oct - 2022 00 Min 07 Sec 20/20 -
L Laiba Khan 24 - Jul - 2022 02 Min 18 Sec 16/20 -
S Sania Abbas 25 - Jul - 2022 06 Min 13 Sec 16/20 -
T tahreem fatima 12 - Nov - 2022 00 Min 04 Sec 15/20 -
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MCAT Chemistry Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which is unnecessary for purification of water for drinking purposes |
A. Coagulation
B. Aeration
C. Treatment with Iodine
D. Treatment with chlorine
|
| 2 | Lanthanides an actinides belong to following group of periodic table: |
A. IB
B. VIIIB
C. IIB
D. IIIB
|
| 3 | Newspapers can be recycled again and again by how many times |
A. 5
B. 2
C. 4
D. 3
|
| 4 | Increased awareness of environmental issues has led chemists to develop products and processes that do not impact on the environment in terms of pollution or depletion of sources. To help chemist to achieve this aim, some principles are drawn. Which one is not the guiding principle |
A. Avoid waste production
B. Use no solvent
C. Use a catalyst
D. Devise a multistep procedure for synthesis of new compounds
|
| 5 | Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water: |
A. Live stock wastes
B. Oil spilage
C. detergents
D. pesticides
|
| 6 | During thunderstorms, water dissolves |
A. Dust particles
B. HCl
C. Nitric acid
D. Clouds
|
| 7 | Sulphate aerosols cause severe respiratory problems particularly among |
A. Infants
B. Women
C. Young people
D. Old people
|
| 8 | Coagulation removes suspended particles in ran water: |
A. 60%
B. 70%
C. 80%
D. 90%
|
| 9 | Residence time of methane in the atmosphere is |
A. 3 - 7 days
B. 2 -3 days
C. 3 - 7 years
D. 2 - 3 years
|
| 10 | The film forming components of paints are |
A. resins
B. thinners
C. pigments
D. driers
|
Test Questions