Waste Management

What is Gypsum powder made of?

Which Type Of Farming Is Appropriate In Hilly Areas?

1. organic
2. biogas
3. oxygen
4. inorganic

What are the three stages of conventional sewage treatment?

1. biodegradable waste
2. plastics
3. non-biodegradable waste
4. glass waste

1. Reuse
2. Reduce
3. Restore
4. Recycle

Which process removes the solids like faeces and other substances from the wastewater?

1. A and B
2. A and C
3. B and D
4. B and C

1. It is a plastic dustbin outside house.
2. Dumpings are covered with a thick layer of mud.
3. The whole set up is layered with plastic.
4. It produces compost.

Septic tanks, chemical toilets, composting pits are the examples of low cost __________ systems.

1. Sewage disposal

2. Sewage

3. Irrigation

4. Filter

1. Acidophillium
2. Pseudomonas
3. Acidobacillus ferroxidens
4. Alcanovorax borkumensis

Match the rows and choose the right option

1. Ramesh Chandra dagara
2. Ahmed Khan
3. Amrita Devi

1. Conservation
2. Organic farming
3. Plastic waste recycling options:

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

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

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

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

1. Plastics
2. Cadmium
3. Organic matter
4. Uranium

List different modes of solid waste disposal.

Who discovered Zeolite?

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

What is the biological term for the process by which a water body becomes rich in dissolved nutrients, thereby stimulating the growth of aquatic life and ending in the depletion of dissolved oxygen in the water body?

1. Eutrophication

2. Biodegradability

3. Succession

4. Trophogenesis

Where does Zeolite come from?

Which of the following is not a biodegradable material?

1. Aluminum foil

2. Animal bone

3. Wood

4. Cotton

1. (i), (ii) (iv), (v)
2. (i), (ii), (iii), (iv)
3. (i), (iv), (v), (viii)
4. (i), (ii), (iii), (vii)

1. Solid Waste Management
2. Environmental Sanitation
3. Dry Sanitation
4. None of the above

Which of the following correctly represent the stages in ideal waste management?

1. Segregation - Collection -Transportation - Dumping

2. Transportation - Collection -Segregation - Dumping

3. Collection - Segregation -Transportation - Dumping

4. Collection - Segregation -Dumping - Transportation

1. lack of government concern
2. lack of awareness
3. lack of sanitation workers
4. inefficient management of solid, liquid and gaseous waste

1. Marshes containing appropriate algae, fungi, and bacteria
2. Secondary treatment plant
3. Ground water
4. None of the above

1. Certain pollutants in sewage water can become fertilizer for various crops.
2. Waste water can be used for recharging the ground water.
3. Waste water can be used for irrigation.
4. All of the above.

1. Oil and grease
2. Human faeces
3. Hair
4. Plastic

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