Introduction to Soil Pollution

Q.

What is the purpose of incineration?

Q.

How Are Mosses Able To Lower The Effect Of Falling Rain And Avert Soil Erosion?

Q.

In our country, large patches of forests are being cleared for the cultivation of crops. The environmental impact of such a practice will lead to:

1. soil erosion

2. soil conservation

3. soil pollution

4. soil fertility

Q. Which of the following crops require excess water for its growth?

1. Sugarcane
2. Wheat
3. Barley
4. All of the above

Q.

How is biomass recovered?

Q. Which among the following is NOT a cause of soil pollution?

1. Use of pesticides
2. Biomedical waste
3. Industrialisation
4. Afforestation

Q.

Nuclear power plants can cause soil pollution.

1. True

2. False

Q.

Soil Pollution is localised

Q.

Bioremediation is a technique which is used to clean up the environment using microorganisms.

1. True

2. Fasle

Q.

The major sources of soil pollution are:-

1. All bioplastics are biodegradable or compostable.

2. Bioplastics break down under the influence of natural elements

3. Compostable products can be turned into compost within around six months

4. All of the above

Q. Which of the following would appear as the pioneer organisms on bare rocks ?

1. Lichens
2. Liverworts
3. Mosses
4. Green algae

Q. Give examples of NPK fertilizers.

Q.

Planting trees along roads, wastelands and mountain slopes

1. reduces soil erosion

2. reduces air pollution

3. reduces noise pollution

4. reduces the fertility of the soil

Q.

A disadvantage of high yielding varieties that were produced during green revolution is

1. use of organic fertilizers

2. use of synthetic fertilisers

3. less water requirement

4. high per hectare yield

Q.

Which of the following is the order of succession in a hydrosere?

I. Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage-> Climax forest-> wood land stage-> Sedge Meadow stage

II. Rooted aquatic plants-> wood land stage->Rooted floating stage-> Sedge Meadow stage-> Reed swamp stage-> phytoplankton-> Climax forest

III. Phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest

Iv. Phytoplankton->Rooted aquatic plants->Rooted floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest.

1. I and IV
2. Only III
3. III and II
4. Only IV

Q.

Which of the following crops require excess water for its growth?

1. Sugarcane

2. Barley

3. All of the above

4. Wheat

Q. How do pesticides adversely affect the fertility of soil?

1. By changing the pH of the soil
2. By increasing the number of soil microorganism
3. By decreasing the number of soil microorganism
4. Both A and C

Q.

_________________occurs when acid rain adds hydrogen ions to the soil which interact chemically with existing minerals.

Q. What is soil pollution ? What factors are responsible for it ? Suggest two methods of preventing or reducing soil pollution.

Q.

With respect to the given assertion and reason, choose the right option

Assertion [A]: Lichens are the primary colonizers of bare rocks.
Reason [R]: Lichens are called pioneer organisms.

1. Both A and R are true and R explains A

2. Both A and R are true but R does not explain A

3. A is true and R is false

4. Both A and R are false

Q. Mention the causes of soil pollution?

Q.

Farming techniques in sustainable farming

1. Ecofriendly
2. Ensures public health
3. Protect human communities and animal welfare
4. All of the above

Q.

Which of these are sources of soil pollution?

1. Drilling in mineral oil and oil wells

2. Disposal of atomic wastes

3. Biomedical wastes

4. Use of chemical fertilisers

Q.

Hazardous bio-medical wastes are usually disposed off by _________.

1. Land fills

2. Deep well injection

3. Incineration

4. None of these

Q. Soil salinity affects the plant growth by

1. Reducing the roots ability to extract water from the soil
2. Reducing the rate of flowering
3. Reducing the rate of ripening
4. None of the above

Q.

Which of the following is/are responsible for soil pollution?

1. Has a high BOD as it contains both aerobic and anaerobic bacteria
2. Is processed by aerobic bactena and then anaerobic bacteria in secondary treatment in sewage treatment plants (STPs)
3. When treated in STPs does not really require the acration step as the sewage contains adequate .
4. Has very high amounts of suspended solids and dissolved salts.

Q. Farming techniques in sustainable farming (are):

1. Protect human communities and animal welfare
2. All of the above
3. Ensures public health
4. Ecofriendly

Q.

Name same soil pollutants.

Q. Which of the following can be used for microbial digestion of certain organic chemicals which causes soil pollution?

1. Biosensor
2. Bioaugmentation
3. Bioremediation
4. None of the above

Q.

Soil pollution can be controlled by

1. Using pesticides

2. Using organic composts

3. Dumping wastes

4. Using chemical fertilisers