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Pollution and Conservation

Description: Pollution and Conservation Pollution
Number of Questions: 17
Created by:
Tags: Pollution and Conservation Pollution
Attempted 0/17 Correct 0 Score 0

Which of the following gases released from automobiles is responsible for global warming?

  1. Carbon monoxide

  2. Carbon dioxide

  3. Nitrogen oxide

  4. Sulphur dioxide


Correct Option: B
Explanation:

Carbon dioxide is responsible for global warming as it produces greenhouse effect.

Which of the following cannot be broken down by microorganism?

  1. Leaf litter

  2. Animal excreta

  3. Waste paper

  4. Detergents


Correct Option: D
Explanation:

Detergents are non-biodegradable substances and cannot be broken down into simpler substances.

Which of the following chemical agents help to degrade the biodegradable products?

  1. Hormones

  2. Enzymes

  3. Acids

  4. Toxins


Correct Option: B
Explanation:

Enzymes released by bacteria helps in breaking down biodegradable waste products.

Which of the following organs is not affected by lead released from burning of fossil fuels?

  1. Liver

  2. Lungs

  3. Kidney

  4. Brain


Correct Option: D
Explanation:

Lead can damage the respiratory system and affect the liver and kidneys.

Why are some waste products called biodegradable?

  1. Because they can be used again

  2. Because they do not cause pollution

  3. Because they can be broken down by biological agents

  4. Because they are generated by biological agents


Correct Option: C
Explanation:

Biodegradable waste products can be broken down by biological agents into simpler substances.

Which of the following gases produced by fossil fuel burning does not affect our health directly?

  1. Carbon monoxide

  2. Carbon dioxide

  3. Sulphur dioxide

  4. Nitrogen dioxide


Correct Option: B
Explanation:

Carbon dioxide does not have any direct effect on health.

Which of the following processes is affected by suspended particles in air?

  1. Pollination

  2. Transpiration

  3. Photosynthesis

  4. Fertilization


Correct Option: C
Explanation:

All suspended particles interfere with photosynthesis and thereby inhibit plant growth.

Burning of which of the following fuels releases methane?

  1. Petrol

  2. Coal

  3. Liquefied petroleum gas

  4. Cow dung


Correct Option: D
Explanation:

Burning of biomass fuels produce methane

Which of the following gases leads to acid rain?

  1. Methane

  2. Sulphur dioxide

  3. Carbon monoxide

  4. Carbon dioxide


Correct Option: B
Explanation:

Sulphur dioxide is responsible for acid rain.

Which of the following gases can cause death by suffocation, if present in excess amount in surroundings?

  1. CO

  2. CO2

  3. SO2

  4. NO2


Correct Option: A
Explanation:

Carbon monoxide has high affinity for haemoglobin. If it is present in excess amount in surroundings, it replaces oxygen from oxy-haemoglobin and cause death.

Which of the following is not an effect of acid rain?

  1. Damage to leaves

  2. Corroding buildings

  3. Lowering soil fertility

  4. Allergy


Correct Option: D
Explanation:

Allergy is caused by particulate matter and pollens present in air.

Which of the following is the result of global warming?

  1. Increased incidence of skin cancer

  2. Frequent acid rain

  3. Disturbed weather pattern

  4. Depletion of ozone


Correct Option: C
Explanation:

Disturbances in weather patterns are due to global warming.

Which of the following gases produce(s) greenhouse effect? (i) Carbon dioxide (ii) Nitrogen (iii) Methane (iv) Sulphur dioxide

  1. (i) and (ii)

  2. (i) and (iii)

  3. (i) and (iv)

  4. (i) only


Correct Option: B
Explanation:

Carbon dioxide and methane are green house gases.

Which of the following statement is not true? (stem is negative, thus distracters should not be negative)

  1. Threshing & winnowing cause air pollution

  2. Paper and food industry does not cause air pollution

  3. Germinating electricity through down does not cause air pollution

  4. Pollen grains and spores are natural source of air pollution


Correct Option: B
Explanation:

Paper and food industry also release hydrocarbons and other harmful gases in air.

Which of the following components of air is consequently responsible for melting of ice cover in acetic region?

  1. Oxygen

  2. Nitrogen

  3. Carbon dioxide

  4. Water vapors


Correct Option: C
Explanation:

Carbon dioxide is a greenhouse gas causing global warming. Due to increase in temperature, polar ice is melting.

Which of the following waste products persists in environment for long period of time?

  1. Glass

  2. Animal excreta

  3. Leaf litter

  4. Kitchen waste


Correct Option: A
Explanation:

Glass is biodegradable and persists in environment for vary long period.

Which of the following sources of electricity can cause air pollution?

  1. Solar panels

  2. Windmills

  3. Thermal power plants

  4. Hydroelectric power plant


Correct Option: C
Explanation:

Thermal plants work by burning of coal. So it causes air pollution.

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