Waste

Q.

Which of the following is a non-biodegradable substance?

1. Leather
2. Tea leaves
3. Cattle dung
4. Metal can

Q.

Which among the following waste should be disposed into a blue dustbin?

1. Orange peel

2. Bottle of Pepsi

3. Unruly children

4. Oil

Q.

Which among the following is not a suitable method to reduce waste?

1. Recycling

2. Composting

3. Burning

4. Reusing

Q.

What are biodegradable pollutants?

Q. Is it possible to reduce the problems relating to disposal of garbage?
[3 marks]
[NCERT Textbook Q2(b)]
[Dealing with Garbage]

Q. Given below is the information about waste management. Which of the following is/are the results of waste management?
(i) Reduction of air, water and land pollution
(ii) Conservation of natural resources
(iii) Increase of air, water and land pollution

1. (i) and (ii) only
2. (i) and (iii) only
3. (i), (ii) and (iii)
4. (ii) and (iii) only

Q.

What do we understand by the term industrial ecology?

1. The redesigning of industrial systems to reduce waste output

2. Redesigning of industrial systems to enhance output

3. To reduce manpower

4. To reduce the cutting down of trees

Q. Inorganic garbage should not be burnt because

1. It pollutes the environment
2. Soil becomes warm and dry
3. Water in the soil gets dried up
4. Decomposers in the soil gets destroyed

Q. State the importance of green and blue dustbins in the safe disposal of the household waste.

Q. ________ is an addition of any constituents to air, water or soil, which adversely alters the natural quality of the environment.

Q.

Which of the following are environmental friendly practices?

1. Carrying cloth bags for shopping

2. Switching off light and fans when not in use

3. Using public transport

4. All the above

Q. Papier-mâché is a product of recycling of _____ wastes.

1. Non-infectious diseases
2. Deficiency diseases
3. Congenital diseases
4. Infectious diseases

Q.

Which of the following is not a research laboratory waste?

1. Chemical waste

2. Radioactive waste

3. Clinical waste

4. Cattle dung

Q. Identify the waste materials which belong to the same category.

1. Old clothes, milk cartons, sewage
2. Tea leaves, sewage, waste paper
3. Old clothes, milk cartons, waste water
4. Crop residues, tea leaves, vegetable peels

Q.

Which of the following is a method to save valuable resources from pollution?

1. Deforestation

2. Reducing waste

3. Saving cash

4. Wearing helmet

Q. Which of the following activities in daily life are eco-friendly?

1. Separation of biodegradable and non-biodegradable substances
2. Gardening
3. Use of gunny bags/paper bags in place of polythene/plastic bags
4. All of the above

Q.

Define Industrial Waste.

Q. i. Plastic is beneficial for soil microorganisms.
ii. Most of the industrial waste can be recycled.
iii. Material recovery is possible from domestic waste.
iv. We cannot generate anything through pyrolysis.
v. Thermocol is a non-biodegradable waste.

Choose the false statements from the above list.

1. i, ii, iv
2. ii, iii, v
3. i, iii, iv
4. ii, iii, iv

Q.

We often observe domestic waste decomposing in the bylanes of our homes. List four ways to make the residents aware that the improper disposal of wastes is harmful to the environment and also for their own health.

Q.

In the diagram below, what should be the nature of the product to enhance the efficiency of the process in step 5?

1. Completely synthetic

2. Products with carbon as major constituent

3. Synthetic polymer

4. Both A and B

Q.

Which of the following is the example of the waste bio-decomposition of living beings?

1. Vegetable

2. Glass

3. Plastic

4. Metal

Q. Which of the following is mostly a degradable pollutant?

1. DDT
2. Aluminium foil
3. Domestic wastes
4. Mercury salts

Q.

Non-biodegradable articles are the ones that cannot be digested.

1. True
2. False

Q. Choose the incorrect statement about plastics.

1. Plastics are widely used.
2. Plastics are light and attractive.
3. Plastics are biodegradable.
4. All of the above
   

Q.

_________ are the main source of soil pollution. These make the surroundings dirty.

Q. Discharge from hospitals, hotels, public toilets, restaurants comes under which waste?

1. Municipal Wastes
2. Domestic Wastes
3. Agricultural Wastes
4. Industrial Wastes

Q. Explain the management of waste of your house.

Q.

With a sharp increase in the population over the past few decades, the problems associated with waste and their effective pollution has also risen proportionally. Waste ___ is necessary to counteract this problem and protect the environment.

1. Management

2. Removal

3. Collection

4. Burning

Q.

Which of the following is the best strategy to deal with glass wastes?

1. Burning

2. Depositing in dustbin

3. Reusing

4. Put in compost pit

Q. Domestic waste is

1. Effluents and non-degradable
2. Non-biodegradable substances
3. Biodegradable substances
4. Air pollution only