Solid Waste Management

Q. What do you mean by blue revolution and yellow revolution

Q. Which of the following are considered as solid wastes?

1. Building debris
2. All of the above.
3. Plastics
4. Sewage sludge

Q. Biodegradable waste includes substances that can be degraded by microbes into harmless and non-toxic substances.

1. True
2. False

Q. Sanitary landfill is a site where waste is dumped saniatrily and is allowed to

1. decompose
2. recycle
3. burn

Q. Pick out the biodegradable wastes from the following.

1. Animal wastes
2. Plastic bottles
3. Glass pieces
4. Plant twigs

Q. Per capita wet waste produced at home = _____________?

1. $\frac{\text{T}otalweightofwetwastematerials}{\text{N}o.ofpersonsinfamily}$
2. $\frac{\text{T}otalweightofdrywastematerials}{\text{N}o.ofpersonsinfamily}$
3. $\frac{\text{N}o.ofpersonsinfamily}{\text{T}otalweightofwetwastematerials}$
4. $\frac{\text{N}o.ofpersonsinfamily}{\text{T}otalweightofdrywastematerials}$

Q.

Select the correct alternatives

Which of the following are used to hasten the process of decomposition of organic matter for producing vermicompost?

1. Rats

2. Earthworms

3. Rodents

4. Pigs

Q. Describe the causes and control measures of industrial pollution in brief.

Q. How can we help manage solid waste?

1. Carry cloth bags
2. Refuse the use of polythene bags
3. Sort garbage
4. All of the above

Q.

What are the different types of pollutants?

Q.

______ is added to the filtered river water to kill harmful germs present in it.

Q.

Suggest suitable mechanism (s) for waste management in fertiliser industries.

Q.

Question 2
How can you help in reducing the problem of waste disposal? Give any two methods.

Q. Which of the following is the method of controlled aerobic combustion of wastes inside chambers at temperatures as high as 900${}^0$-1300${}^0$C?

1. Sludge burning
2. Pyrolysis
3. Incineration
4. Source reduction

Q. Which of the following sewage disposal system should be used in hospitals?

1. Chemical toilets
2. Septic tanks
3. Composting pits
4. Wastewater treatment plant

Q. What do we call low lying open areas where garbage is dumped?

1. Tanks
2. Incinerator
3. Landfill
4. Kiln

Q. Enzymatic filters are used for removing

1. Nitrogen pollutants
2. Chloride pollutants
3. Lead
4. Hydrocarbons

Q. Which of the following groups contains only easily biodegradable items?

1. Cake, wood and grass
2. Grass, flower and leather
3. Grass, wood and plastic
4. Fruits, peel cake and lime juice

Q. Which of the following methods can help us in getting rid of solid waste to an extent?

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

Q. Assertion :Integrated pest management programme involves harmonious application of various 'cuture controls' to insure minimum environmental pollution and proper maintenance of ecological balance. Reason: Integrated pest management programme is an important step taken by Government of India.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which of the following action or activity may causes undesirable effect to our environment?
i) Catching and keeping animals such as bird and cats at home.
ii) Feeding birds such as pigeon and crows in our neighbourhood.
iii) Burning unwanted plastic product in our neighbourhood o reduce non - biodegradable rubbish.
iv) Dumping biodegradable refuse such as fruit skins and bones in our sewage to make the water nutrients rich for healthy growth of flowering plants.

1. iii and iv only
2. ii and iv only
3. ii, iii and daily
4. i, ii, iii and D

Q. $150$ tonnes of solid waste can generate ________ MW of power.

1. $12$
2. $0.12$
3. $1.2$
4. $120$

Q. What are the four Rs of waste disposal? Explain each in a sentence.

Q. Regarding the assertion and reason, choose the right option.
Assertion [A]: Integrated Pest Management (IPM) is a broad approach for the economic control of pests without polluting nature.
Reason [R]: IPM uses naturally occurring compounds from plants, animals, fungi and bacteria as pesticides.

1. Both A and R are true and R explains A
2. A is true and R is false
3. Both A and R are false
4. Both A and R are true R does not explain A

Q. Which is correctly matched?
$1$. Arsenic poisoning- Black foot disease
$2$. Secondary Effluent treatment- Biological process
$3$. Pyrolysis- Solid soil waste disposal
$4$. Tubifex- Water pollution indicator
$5$. Biomagnification - Degradable pollutants

1. $1,2,3,5$
2. $2,3,4,5$
3. $1,2,3,4$
4. $1,3,4,5$
5. $1,2,4,5$

Q. Industrial waste management includes wastes at which of the following stages?

1. Raw materials
2. Processing
3. Final products
4. All of the above

Q. Describe in detail how non-biodegradable wastes can be managed.

Q. Which is a suitable mechanism for waste management in the fertilizer industries?

1. No measures need to be taken.
2. Control air pollution.
3. The effluent should be treated before discharge into surrounding environment.
4. Both A and B.

Q. Pyrolysis of wood yields

1. Alcohol
2. Charcoal
3. Charcoal and wood gas
4. Charcoal, wood gas, tar and oil

Q. which all e-products can be recycled and which can not be?