Remedy for Plastic Waste

Q.

Define land degradation. Explain with causes and control measures

Q.

Write a short note on land degradation and conservation measures

Q. Open burning dumps for the disposal of solid wastes are not preferred because

1. burning reduces the volume of the waste
2. burning increases the volume of the waste
3. burning completely reduces the wastes to ash
4. they often serve as breeding ground for rats and flies

Q.

Describe the ‘Leaching’.

Q. Which of the following statements is/are true regarding the disposal of solid wastes?
I. Open burning dumps were introduced as substitutes to sanitary landfills
II. Wastes dumped in sanitary landfills are covered with dirt everyday
III. Sanitary landfills have provided a permanent solution to the problem of increasing waste generation

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

Q. Consider the following statement about polyblend
I. In 1998, Ahmed Khan developed polyblend, a fine powder of recycled modified plastic.
II. Polyblend has been mixed with bitumen to lay roads in Bangalore
III. Polyblend enhances bitumen’s water repellant properties and helps to increase the life of road.
Which of the statements given above are correct?
(correct answer + 1, wrong answer - 0.25)

1. I and II
2. I and III
3. II and III
4. I, II and III

Q.

What measures, as an individual, you would take to reduce environmental pollution ?

Q. One of the methods of disposing solid waste is by burning dumps of wastes openly, but this should not be preferred because:

1. burning reduces the volume of the waste
2. burning increases the volume of the waste
3. burning completely reduces the wastes to ash
4. it does not completely burn the waste and it also results in emission of toxic gases

Q. The issue(s) with using sanitary landfills for the disposal of solid wastes is/are

1. incomplete combustion of the wastes
2. the emission of harmful smoke
3. pollution of underground water with harmful chemicals
4. Both b and c

Q.

Is garbage disposal the responsibility only of the government ? justify

Q. Match the columns and choose the right option.

	I		II
(i)	Ramesh Chandra Dagar	(a)	Conservation of forests
(ii)	Ahmed Khan	(b)	Organic farming
(iii)	Amrita Devi	(c)	Plastic waste recycling

1. i-c, ii-a, iii-b
2. i-b, ii-c, iii-a
3. i-a, ii-b, iii-c
4. i-b, ii-a, iii-c
5. i-a, ii-c, iii-b

Q. All of these are a result of land degradation except

1. Soil erosion
2. Clear cutting forests
3. Extinction of plant species
4. Endangered animals
5. Ozone depletion

Q. Why should we not burn plastic items?

Q. What is meant by leaching?

Q. Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for

1. making tubes and pipes
2. making plastic sacks
3. use as a fertilizer
4. construction of roads

Q. Where did the waste of all over the world go finally?

Q. The most rapidly increasing and much harmful waste today is

1. pesticides
2. plastics
3. electronic waste
4. municipal sewage

Q. Recently, a ban on plastic bags has been imposed in many places? Is the ban justified? Give reasons in three sentences.

Q. Explain the land use pattern of India. What is the impact of the decreases of land under permanent pastures?

Q. Polyblend is ___________________.

1. None of these
2. A mixture of two different types of plastics
3. A fine powder of recycled modified plastic
4. A blend of plastic and bitumen

Q. How did Ahmed Khan, plastic sacks manufacturer from Bangalore, solve the ever-increasing problem of accumulating plastic waste?

Q. If a city wants to avoid pollution caused by burning solid waste, but also has less space to dump all the waste, which of the following remedies should be adopted?

1. Illegal dumping
2. Sorting garbage
3. Sanitary landfill
4. Littering

Q. If a city wants to avoid pollution caused by burning solid waste, but also has less space to dump all the waste, which of the following remedies should be adopted?

1. Illegal dumping
2. Sorting garbage
3. Sanitary landfill
4. Littering

Q. Biology helps in controlling pollution by teaching

1. Complete removal of waste water
2. Proper disposal of waste
3. None of the above
4. Use of no resources

Q. State whether true or false:
Polyblend is a practical solution to the disposal of plastic waste.

1. True
2. False

Q. (a) Why are the colourful polystyrene and plastic packagings used for protecting the food, considered an environmental menace?
(b) Write about the remedy found for the efficient use of plastic waste by Ahmed khan of Bangalore.