Methods of Disposal of Waste

Q.

The vacuum cleaner works on the principle of

1. The force from the atmosphere

2. Electrical suction

3. Difference in pressure

4. None

Q.

What is the use of a smoke absorber?

Q.

What is the primary treatment of sewage?

Q.

What are the advantage and disadvantage of the smoke absorber?

Q.

Which of the following is not a safe method of waste disposal?

1. Dumping

2. Burning of plastic

3. Incineration

4. Composting

Q.

Write a note on smoke absorber machine.

Q. Sort the following events in primary, secondary and tertiary treatments of sewage.

1. Discharge
2. Sedimentation
3. Pathogen removal
4. Oxidation ponds

Q.

Which of the following is the least preferable method of waste disposal?

1. Segregation

2. Reuse

3. Littering

4. Composting

Q. What is the process for waste water treatment called?

1. Water treatment
2. Sewage treatment
3. Filtration
4. Chlorination

Q. The safe method of disposal of e-waste is

1. Burning in open field
2. Thrown into water
3. Dumping in forest
4. Incineration

Q. Why should biodegradable and non-biodegradable wastes be discarded in two separate dust bins?

Q.

Which of the following is not a domestic waste?

1. Sludge

2. Tea leaves

3. Vegetable peels

4. Waste paper

Q. What measures should be taken for waste disposal?

1. Segregation of biodegradable and non-biodegradable wastes.
2. Safe disposal of plastic bags.
3. A compost pit for kitchen wastes.
4. All of the above.

Q.

Which of the following methods are used for disposal of industrial waste?

1. Scrubbers

2. Effluent Treatment Plants

3. Composting

4. Electrostatic Precipitators

Q. Choose the eco-friendly method(s) of solid waste management.

1. Incineration
2. Vermicomposting
3. Composting
4. Landfill

Q.

Sneha follows some practices everyday. Which of the following practices will help to maintain social hygiene?

1. She brushes her teeth everyday.

2. She throws the garbage lying around in the dustbin.

3. She uses a handkerchief to blow her nose

4. She combs her hair regularly.

Q. Why should we prefer to use paper bags rather than polythene bags?

Q.

Question 22
Why is improper disposal of waste a curse to the environment?

Q.

Deepika wants to grow a plant near a sewage pond.Which of the following plants will you suggest her to grow?

1. Eucalyptus tree

2. Indian cork tree

3. Neem tree

4. Mango tree

Q. How can you help in reducing the problem of waste disposal? Give any two methods.

Q. Solid waste burning in presence of oxygen is known as ............

Q.

The process of preparing manure with the help of earthworms and kitchen wastes is called:

1. Manuring

2. Vermicoposting

3. Farming

4. Green manuring

Q. The process of heating the waste at high temperature is called as ________.

1. Land-filling
2. Pyrolysis
3. Decomposing
4. Incineration

Q.

Pollution from animal excreta and organic waste from the kitchen can be most profitably in minimized by:

1. Storing them in underground storage tanks

2. Vermiculture

3. Using them for producing biogas

4. Using them directly as biofertilizers

Q. Select the incorrect statement regarding polyblend.

1. Enhances the water absorbing capacity of bitumen
2. Recycled and modified form of plastic
3. Both A and B
   
4. Used to lay road when mixed with bitumen

Q. We often observe domestic waste decomposing in the bylanes of residential colonies. Suggest ways to make people realise that the improper disposal of waste is harmful to the environment.

Q. Process in which preparation of manure is done from kitchen and food waste with the help of earthworm and other organism

1. Incineration
2. Vermiculture
3. Composting
4. All

Q. Biological processes for the treatment of industrial wastes for the safe disposal, can be categorized into aerobic as well anaerobic process.

1. True
2. False

Q.

Pollution from animal excreta and organic waste from the kitchen can be most profitably in minimized by:

1. Storing them in underground storage tanks

2. Vermiculture

3. Using them for producing biogas

4. Using them directly as biofertilizers

Q.

Match the type of waste with the best-suited way of its management.

1. Agricultural waste A) Effluent treatment

2. Industrial waste B) Segregation

3. Municipal waste C) Composting

1. 1-a, 2-c, 3-b

2. 1-c, 2-b, 3-a

3. 1-b, 2-c, 3-a

4. 1-c, 2-a, 3-b