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Introduction to Pollution

Environmental Issues
Biology
Class 12

Overview

Quick summary with Stories

Related Questions to study

Which of the following is/are secondary pollutant?
1. VOCs
2. Ammonia
3. CFCs
4. SPM
Select the correct answer using the codes given below.

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 M E T H A N E
 I C O O M O C
 R E N Z N M T
 M O C O R L
 A T R N O G E
 O E D E X I O
Look at the given grid carefully. Which of the following is not given in the grid?

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Read the following statements carefully.
1. Photochemical smog always contains ozone.
2. The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen.
3. Lead is the most hazardous metal pollutant of automobile exhaust.
Which of the above statements is not true?

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Choose the correct answer from the alternatives given.
The pollutants which move downward with Percolating ground water are called

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The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs _____________.

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We harm Earth with various activities such as unorganised disposal of waste. Which of the following kinds of wastes lasts longest in the environment?

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Carbon monoxide is a poisonous gas which when inhaled in too much quantity causes headache, nausea, vomiting and even death. The toxicity of carbon monoxide is due to _____.

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Which of the following can be used for controlling Gaseous Pollutant?

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Which of the following is not a greenhouse gas?

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Which among the following pollutants lead to macroscopic pollution?
1. Heavy metals from motor vehicles and acid mine drainage.
2. Ammonia from food processing waste.
3. Silt in runoff from construction sites, logging, slash and burn practices or land clearing sites.
4. Trash or garbage discarded by the people on the ground.
5. Nurdles.
6. Shipwrecks.
Select the correct answer using the codes given below.

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