MDCAT Chemistry Chapter 21 online mcq test with answers for chapter 21 (Environmental Chemistry)

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.

Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test

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Meer Sadeed 07 - Sep - 2023 10 Min 50 Sec 13/20
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Rana Ubaid Chohan 16 - Jul - 2022 10 Min 50 Sec 13/20

MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	Which of the following factors is not used to determine the quality of water	A. COD B. BOD C. DO D. Available chlorine
2	Chemicals used to kill fungi are:	A. Herbicides B. Insecticides C. Pesticides D. fungicides
3	BOD is the oxygen demand with in day(s):	A. Four B. Two C. Three D. Five
4	Which of the following waster material is not recycled for use again	A. paper B. plastic C. hides of animals D. glass
5	For incineration temperature range is (in ^oC)	A. 700-800 B. 800-900 C. 900-1000 D. 1000-1100
6	The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x?	A. 39.6 B. 40.5 C. 42.7 D. 45.1
7	Troposphere extends upto km:	A. 0-15 km B. 10-15 km C. 15-40 km D. 15-40 km
8	The reason of acid rains is	A. Release of CO in excess by in complete combustion B. Excess release of NO₂and SO₂from buring of fossil fules C. Formation of excess CO₂due to combustion and respiration D. Formation of NH₃in excess from industry and coal gas
9	Choose the correct statements	A. SO₂affects the nucleus B. SO₂affects plasmodesmata C. SO₂affects cell wall D. SO₂affects all membrane systems
10	Which one is more toxic?	A. Fe B. C C. Hg D. Ag

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MDCAT Chemistry Chapter 21 MCQ Test With Answer for (Environmental Chemistry)

MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

The semi solid wastes in landfills is called:

Pathogens in raw water are killed in step:

Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg toxic

Photochemical smog consists of higher concentration of:

The eleventh concentration of metal cause clogs of gills in fish:

Natural water is

The most important pesticides are:

Part of fresh water consumed in domestic purpose:

Fungicides are the pesticides which:

Which one of the following is an organic compound?

The Catalyst used in the contact tower for the manufacture of H2SO4 is easily poisoned by:

Commonly used coagulants are ions of:

Ocean contains part earth's water:

Solid waster of the city is disposed off by dumping in a landfill. Which of the following gas is produced in the landfill

The normal amount of overhead ozone is

To purify water which has mud dissolved in it, a substance which coagulates the suspended particles is used.The coagulant may be

Which is not the condition for the formation of smog

Elevated concentration of ______________ is harmful for fish as it clog the gills causing suffocation

Which is used as a coagulant:

Detergent greatly effects the

Prepare Complete Set Wise MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQs Online With Answers

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Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

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Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test

MCAT Chemistry Chapter 21 Important MCQ's

Test Questions

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The Catalyst used in the contact tower for the manufacture of H₂SO₄ is easily poisoned by:

To purify water which has mud dissolved in it, a substance which coagulates the suspended particles is used.
The coagulant may be