.jpg)
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
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
-
Total Questions20
-
Time Allowed20
MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test
00:00
Question # 1
Transformation is a cyclic process in which used plactic is
Question # 2
Out of total amount of water available for human use is
Question # 3
In addition to many pollutants present in ground water, a successful study was conducted to remove a highly Toxic chemical.What chemical is this
Question # 4
The Catalyst used in the contact tower for the manufacture of H2SO4 is easily poisoned by:
Question # 5
Photochemical smog consists of higher concentration of:
Question # 6
Water which his considered to be safe for human consumption is known as
Question # 7
The temperature of in the incineration of industrial and hazardous waste process has range
Question # 8
The cause of minamata disease is the pollution of
Question # 9
What is the cause of water pollution
Question # 10
During thunderstorms, water dissolves
Question # 11
Pathogens in raw water are killed in step:
Question # 12
Ozone is produced in regions:
Question # 13
The disposal of domestic refuse, commercial and industrial solid wastes are studied under the title
Question # 14
Biochemical oxygen demand (BOD) is the capacity of organic matter in natural water to consume oxygen with in a period of
Question # 15
Chemicals used to kill herbs are:
Question # 16
Water is considered pollutant when value of Do is
Question # 17
Property due to which water acts as a universal solvent is
Question # 18
The % of CO2in the atmosphere is
Question # 19
Which of following is primary pollutants
Question # 20
Lanthanides an actinides belong to following group of periodic table:
Prepare Complete Set Wise MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQs Online With Answers
-
Set 1
20 Questions
Start -
Set 2
20 Questions
Start -
Set 3
20 Questions
Start -
Set 4
20 Questions
Start -
Set 5
20 Questions
Start -
Set 6
20 Questions
Start -
Set 7
20 Questions
Start -
Set 8
20 Questions
Start -
Set 9
20 Questions
Start -
Set 10
20 Questions
Start -
Set 11
20 Questions
Start -
Set 12
20 Questions
Start -
Set 13
20 Questions
Start -
Set 14
20 Questions
Start -
Set 15
20 Questions
Start -
Set 16
20 Questions
Start -
Set 17
3 Questions
Start
Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test
-
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 -
F Filza Ahsan 11 - Nov - 2022 01 Min 33 Sec 15/20 -
F Faiz Barvi443 19 - Mar - 2023 03 Min 29 Sec 14/20 -
B Basit Khan 09 - Aug - 2022 06 Min 44 Sec 14/20 -
A Amat Nur 27 - Jun - 2023 07 Min 07 Sec 14/20 -
A Abdullah 11 - Apr - 2023 10 Min 50 Sec 14/20 -
D Dania 01 - Jan - 2023 14 Min 03 Sec 14/20 -
A Ali Ahmed Tauqeer 03 - Mar - 2024 03 Min 27 Sec 13/20 -
A Anaya 07 - Jul - 2023 04 Min 28 Sec 13/20 -
U Urooj Wajid 15 - Sep - 2022 06 Min 47 Sec 13/20 -
M Meer Sadeed 07 - Sep - 2023 10 Min 50 Sec 13/20 -
R Rana Ubaid Chohan 16 - Jul - 2022 10 Min 50 Sec 13/20
MCAT Chemistry Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Ozone layer is |
A. 25 - 28 km high
B. 26 - 29 km high
C. 24 - 27 km high
D. 20 - 28 km high
|
| 2 | Ozone is most of the tropical regions acts as a pollutant and causes |
A. Damages to eyes
B. Aggravates asthma
C. Chest discomfort
D. All of these
|
| 3 | Which gas produces air pollution? |
A. oxides of sulphur
B. oxides of carbon
C. all of these
|
| 4 | Ozone is an allotropic form of: |
A. Carbon
B. Phosphorus
C. Oxygen
D. Sulfur
|
| 5 | In purification of potable water the coagulant used is: |
A. Nickel sulphate
B. Copper sulphate
C. Barium sulphate
D. Aluminium sulphate
|
| 6 | Part of fresh water consumed in domestic purpose: |
A. 1%
B. 2%
C. 69%
D. 8%
|
| 7 | In Purification of potable water the coagulant used is |
A. nickel sulpahte
B. copper sulpahte
C. barium sulphate
D. alum
|
| 8 | Chromium (VI) is highly toxic and can cause |
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
|
| 9 | Amount of ozone in atmosphere is expressed in units: |
A. Kilograms
B. cm
C. molarity
D. DU
|
| 10 | Property due to which water acts as a universal solvent is |
A. Polarity
B. It's ability to make hydrogen bond
C. Both A and B
D. Strong dipole dipole interaction
|
Test Questions