CBES Board Class 10/ENVIRONMENTAL CHEMISTRY I ATMOSPHERE MCQS Sample Test,Sample questions

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Question:
 Acid rain may have pH as low as

1. 11

2. 21

3. 31

4. 41

Posted Date:-2022-01-01 23:05:55


Question:
 Brilliant light displays called aurora borealis occur in

1. troposphere

2. stratosphere

3. exosphere

4. ionosphere

Posted Date:-2022-01-01 23:05:55


Question:
 Height of mesosphere is

1. 0-12 Km

2. 12-50 Km

3. 50-80 Km

4. above 80 Km

Posted Date:-2022-01-01 23:05:55


Question:
 Sulphuric acid eats away metals to form

 

 

1. water soluble salts only

2. hydrogen only

3. oxygen

4. water soluble salts and hydrogen

Posted Date:-2022-01-01 23:05:55


Question:
 The extension of troposphere above the Earths surface is


 

 

1.12 km

2. 50 km

3. 80 km

4.70 km

Posted Date:-2022-01-01 23:05:55


Question:
 What is meant by the term thermo?



1.outer

2. top

3.turning

4. heat

Posted Date:-2022-01-01 23:05:55


Question:
A waste treatment process in which solid waste is burned at high temperature is called

 

 

1. combustion

2. incineration

3. oxidation

4. reduction

Posted Date:-2022-01-01 23:05:55


Question:
Amount of ozone contained by stratosphere is

 

 

1. 10ppm

2.20ppm

3. 30ppm

4. 40ppm

Posted Date:-2022-01-01 23:05:55


Question:
Brilliant light displays occurring in the northern hemisphere due to particles from the sun that enter ionosphere are called


 

 

1. stars

2. rainbows

3. aurora borealis

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
Conditions are most variable in

 

 

1. troposphere

2. stratosphere

3. mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
In which of the following regions do aircraft fly?

1. troposphere

2. stratosphere

3.mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Maximum temperature of the troposphere is

 

 

1. 17 �C

2. ?55 �C

3. ?5 �C

4. 1800 �C

Posted Date:-2022-01-01 23:05:55


Question:
Most of the mass of the atmosphere is contained in



 

 

1. troposphere

2.stratosphere

3.mesosphere

4.thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Percentage of krypton in the air is




 

 

1. 4ppm

2.3ppm

3.2ppm

4.1ppm

Posted Date:-2022-01-01 23:05:55


Question:
Presence of which of the following can be felt near the photocopier television set microwave oven etc?


1. chlorofluorocarbons (chlorofluorocarbons (CFCs))

2.methane

3. ozone

4.lead compounds

Posted Date:-2022-01-01 23:05:55


Question:
The energy of sunlight is converted into heat by

1. oxygen only

2.nitrogen only

3. hydrogen

4. oxygen and nitrogen

Posted Date:-2022-01-01 23:05:55


Question:
The thermosphere is hot up to

1. 1800 �C

2. 800 �C

3. 1000 �C

4. 50 �C

Posted Date:-2022-01-01 23:05:55


Question:
What happens to the rates of ozone formation and destruction in the absence of outside intervention?


 

 

1. rate of ozone formation is faster

2. rate of ozone destruction is faster

3. they are equal

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
What is the color of nitric oxide?


1. colorless

2.pink

3.brown

4. reddish brown

Posted Date:-2022-01-01 23:05:55


Question:
What is the color of ozone?

1. dark blue

2. red

3. pink

4. light blue

Posted Date:-2022-01-01 23:05:55


Question:
What is the extension of the exosphere above the surface of Earth?


 

1. 80 km to 400 km

2. 0 km to 12 km

3. 400 km to thousands of kilometer

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
What is the extension of the ionosphere above the surface of Earth?

none of above

1. 80 km to 400 km

2. 0 km to 12 km

3. 400 km to thousands of kilometer

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
What is the meaning of the term Strato?


 

 

1.layer

2. top

3.changing

4. turning

Posted Date:-2022-01-01 23:05:55


Question:
What is the source of chlorofluorocarbons?


 

 

1. aerosol sprays foams

2. exhaust fumes of motor vehicles

3. incomplete burning of wood

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
What is the source of oxides of nitrogen?


 

1. Powerstations and industries using fossil fuels only

2. exhaust fumes of motor vehicles only

3. incomplete burning of wood

4. Powerstations & industries using fossil fuels and exhaust fumes of motor vehicles

Posted Date:-2022-01-01 23:05:55


Question:
What is the source of sulfur dioxide?

 

 

1. Powerstations and industries using fossil fuels

2. exhaust fumes of motor vehicles

3. incomplete burning of wood

4. none of above

Posted Date:-2022-01-01 23:05:55


Question:
What is the term used for the area in which the amount of ozone has been reduced?

 

1. black hole

2. worm hole

3. ozone hole

4. red hole

Posted Date:-2022-01-01 23:05:55


Question:
Which layer is located above the stratosphere


1.mesosphere

2. troposphere

3. ozone

4.none of above

Posted Date:-2022-01-01 23:05:55


Question:
Which layer of atmosphere is first exposed to sunlight?


1. troposphere

2. stratosphere

3.mesosphere

4.thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following can cause eye irritation in the troposphere?


 

 

1. chlorofluorocarbons (CFCs)

2. methane

3. ozone

4. lead compounds

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following causes global warming but is not an air pollutant?


 

1. carbon dioxide

2. carbon monoxide

3. sulphur dioxide

4. oxides of nitrogen

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following contains the maximum amount of ozone?


 

1. troposphere

2. stratosphere

3.mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is a poisonous gas?

1. carbon dioxide

2. carbon monoxide

3. nitrogen

4. nitrogen dioxide

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is closest to the Earths surface?




 

 

1. troposphere

2.stratosphere

3.mesosphere

4.thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is not an air pollutant?



 

 

1. carbon dioxide

2.carbon monoxide

3.sulphur dioxide

4.oxides of nitrogen

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is not an air pollutant?

1. carbon dioxide

2. carbon monoxide

3. sulphur dioxide

4. oxides of nitrogen

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is not true about incineration?

1. it consumes all combustible materials

2. it is not a clean process

3. it does not produce air pollution

4.it generates odor

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is not true about nitric oxide?

1. it is colorless

2.it is odourless

3.it is toxic

4. it is not harmful

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is not true about ozone?

1. it is light blue in colour

2. it has unpleasant odor

3. it is harmful

4. it is not a pollutant

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is the first layer of atmosphere as one moves upwards from the Earths surface?

1. troposphere

2. stratosphere

3.mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is the layer of atmosphere in which we live?


 

 

1. troposphere

2. stratosphere

3. mesosphere

4.thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is the outermost layer of the atmosphere?

 

 

1. troposphere

2. stratosphere

3.mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following is true about nitric oxide?


 

1. it is colorless

2. it has an irritating odor

3. it is not toxic

4. it is not harmful

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following makes up most of the air?

1. nitrogen

2. oxygen

3. carbon dioxide

4. helium

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following protects Earths surface from being hit by most meteoroids?


 

1. troposphere

2.stratosphere

3.mesosphere

4. thermosphere

Posted Date:-2022-01-01 23:05:55


Question:
Which of the following saves us from the harmful effects of incoming ultraviolet radiation from the sun?

 

1. troposphere

2.mesosphere

3. thermosphere

4. ozone

Posted Date:-2022-01-01 23:05:55


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