MDCAT Chemistry Chapter 21 MCQ Test With Answer for (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.

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

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Question # 1

The semi solid wastes in landfills is called:

Question # 2

Leather tanneries use big auantities of:

Question # 3

Which of the following is a macronutrient?

Question # 4

Amount of ozone in atmosphere is expressed in units:

Question # 5

Water is essential for life on

Question # 6

The incineration may reduce volume of wastes upto:

Question # 7

Ozone layer is high:

Question # 8

Incineration is a process in which solid waste is burned at high temperature ranging from

Question # 9

Lithosphere extends upto kilometer of earth crust in depth:

Question # 10

Major cause of SO2 on global scale is

Question # 11

Which one of the following is not a component of environment

Question # 12

Ozone layer is present in

Question # 13

Lanthanides an actinides belong to following group of periodic table:

Question # 14

The overall effect of the photochemical smog in the after noon is built up of

Question # 15

Ozone is present in layer around earth:

Question # 16

For incineration temperature range is (in oC)

Question # 17

SOproduced by volcanoes is about

Question # 18

When chlorofluoro carbon are subjected to U.V they form

Question # 19

Water is made disinfectant during purification of water to the step:

Question # 20

Polar ice caps and glaciers consists total earth water:

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MCAT Chemistry Chapter 21 Important MCQ's

Sr.# Question Answer
1 Heat balance of earth is maintained by
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Stratosphere
2

Natural water is

A. Pure
B. Impure
C. Acts as solute
D. Distilled
3 Ozone is effectively removed by
A. TNT
B. CFCs
C. PVC
D. CNG
4 a hole used to dump the municipal wastes is called:
A. landfill
B. effluents
C. leachate
D. inclneration
5 The temperature of in the incineration of industrial and hazardous waste process has range
A. 900 - 1000°C
B. 250 - 500°C
C. 950 - 1300°C
D. 500 - 900°C
6 Which of the following does not contribute towards the formation of photochemical smog?
A. NO
B. SO2
C. O3
D. Hydrocarbons
7 Water which forms scum with soap is called
A. Hard water
B. Soft water
C. Distilled water
D. Un distilled water
8 Which is not the affect of polluted air on environment
A. acid rain
B. smog
C. ozone
D. global warming
9 Chlorination of water is effective for
A. Killing pathogens
B. Removing dust
C. Removing hardness
D. Increasing oxygen content
10 In incinerating the waste is burnt at
A. 1000°C
B. 100°C
C. 2000°C
D. 1500°C

Test Questions

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  • maryam

    maryam

    29 Jul 2019

    all answers given are wrong

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  • Alishba

    Alishba

    15 Feb 2019

    The mcqs are not according to syllaybs

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  • Alishba

    Alishba

    15 Feb 2019

    The mcqs are not according to syllaybs

    Like
    Reply