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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Sania Abbas 25 - Jul - 2022 06 Min 13 Sec 16/20
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tahreem fatima 12 - Nov - 2022 00 Min 04 Sec 15/20
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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	The largest item which is recycled is	A. newspaper B. plastic C. aluminium D. oil
2	In water the most important oxidizing agent is dissolved molecular oxygen which ranges form	A. 2 - 4 ppm B. 4 - 6 ppm C. 2 - 5 ppm D. 4 - 8 ppm
3	Transformation is a cyclic process in which used plactic is	A. Remelted and styrene is added B. Converted into low quality substance C. Converted back into original components D. None of these
4	To purify water which has mud dissolved in it, a substance which coagulates the suspended particles is used. The coagulant may be	A. Ag⁺ B. Cu²⁺ C. Al³⁺ D. Si⁴⁺
5	Which of spectral lines when atoms are subjected to strong electric field is called:	A. Compton effect B. Stark effect C. Zeeman effect D. Photoelectric effect
6	Fungicides are the pesticides which	A. Kill plants B. Kill herbs C. Kill insects D. Control the growth of fungus
7	Exposure to CO results in	A. Headche B. Fatigue C. Unconsciousness D. All of these
8	Ocean contains part earth's water:	A. 95% B. 96% C. 97% D. 98%
9	Ozone is usually produced in the	A. South polar region B. North pole region C. Tropical region D. Thermosphere zone
10	Which is not a component of environment?	A. Biosphere B. Lithosphere C. Hydrosphere D. None of these

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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

Carbon Monoxide is:

A large hole in the ozone layer over antarctica region was discovered in:

The region of earth capable of supporting life is

White marble buildings are effected by?

Coal contains sulphur in it:

Which of spectral lines when atoms are subjected to strong electric field is called:

Which is unnecessary for purification of water for drinking purposes

Atmosphere consists of gasses:

The temperature of in the incineration of industrial and hazardous waste process has range

Property due to which water acts as a universal solvent is

Ozone layer is high:

The destructive distillation of coal gives three products. which of following is not the product of destructive distillation of coal?

SO2 produced by volcanoes is about

Ozone is an allotropic form of:

Ozone in stratosphere extends upto km:

Most harmful of biosphere is

The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x?

The film forming components of paints are

Potable water is considered to be

Which of the following human activities are contaminating surface and ground waters?

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

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Set 8

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Set 10

Set 11

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

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SO₂produced by volcanoes is about