Tag: solid waste management

Questions Related to solid waste management

The European Union has a permanent ban on the use of __________ in toys.

zoology environmental issues solid waste management

  1. Phthalates

  2. Clay

  3. Polycarbonate

  4. Bisphenol

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Correct Option: A

Thickness of plastic cover permissible to use

zoology environmental issues solid waste management

  1. 50 Microns

  2. 20 Microns

  3. 100 Microns

  4. 10 Microns

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Correct Option: C

What do we get from pastic waste?

zoology environmental issues solid waste management

  1. Oil

  2. Fats

  3. Leather

  4. Food

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Correct Option: A

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
zoology environmental issues solid waste management

  1. i-b, ii-c, iii-a

  2. i-c, ii-a, iii-b

  3. i-a, ii-b, iii-c

  4. i-b, ii-a, iii-c

  5. i-a, ii-c, iii-b

Show answer
Correct Option: A
Explanation:

Ramesh Chander Dagar, an organic farmer from Akbarpur Barota village, Sonipat, Haryana demonstrates the idea behind most profitable farming in India. K. Ahmed Khan is an Indian scientist and businessman who made success in using plastic for road construction. He is the founder of KK Plastic Waste Management. Amrita Devi (Beniwal) sacrificed her life along with her three daughters viz. Asu. Department of Forest has started the prestigious state-level Amrita Devi Vishnoi for excellent contribution to the protection and conservation of wild animals.

So the correct answer is 'i-b, ii-c, iii-a'.

The most rapidly increasing and much harmful waste today is

zoology ecology and environment solid waste management

  1. plastics

  2. pesticides

  3. municipal sewage

  4. electronic waste

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Correct Option: A

Which of the following groups contains only easily biodegradable items?

evs garbage in, garbage out preparation of compost sewage disposal solid waste management

  1. Grass, flower and leather

  2. Grass, wood and plastic

  3. Fruits, peel cake and lime juice

  4. Cake, wood and grass

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Correct Option: A,C,D
Explanation:
Biodegradable items can be degraded into simpler molecules by the action of microbes. These include grass, flowers, leather, wood, fruit peels, cake, lime juice etc. All these items can be decomposed by microorganisms.
Plastic is non-biodegradable as it can't be decomposed by the action of microorganisms and thus, it remains in nature for a long period of time.
So, the correct answer is option A, C and D. 

Safai karamcharis collect the garbage in trucks and take it to a low lying open area. This area is called as

evs garbage in, garbage out preparation of compost sewage disposal solid waste management

  1. Dust bin

  2. Garbage

  3. Landfill

  4. Waste

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Correct Option: C
Explanation:

Safai karamcharis collect the garbage in trucks and take it to a low lying open area, called a landfill.

So, the correct answer is 'landfill'

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.

evs garbage in, garbage out preparation of compost sewage disposal solid waste management

  1. iii and iv only

  2. ii and iv only

  3. ii, iii and daily

  4. i, ii, iii and D

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Correct Option: A
Explanation:
iii) Burning unwanted plastic product in our neighbourhood or reduce non-biodegradable rubbish.
  • Burning of plastic causes air pollution due to the release of nitrogen oxides, sulphur dioxides and other particulate matter into the atmosphere.
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.
  • The above activity causes an undesirable effect on the environment.
  • So, the correct answer is 'iii and iv only'.

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?

evs garbage in, garbage out preparation of compost sewage disposal solid waste management

  1. Sludge burning

  2. Pyrolysis

  3. Incineration

  4. Source reduction

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Correct Option: C
Explanation:

Incineration is the process of oxidation of combustible substance present in the waste (which is heterogeneous material like minerals, metals etc.). The waste is treated to reduce its volume, convert that into useful form of energy. At a temperature of 900 to 1300$^0$ C, the organic substances in the waste will burn and release energy. So, the correct answer is 'Incineration'.

Combustible and non combustible solid waste, excluding food waste, known as

evs garbage in, garbage out preparation of compost sewage disposal solid waste management

  1. Rubbish

  2. Garbage

  3. Solid material

  4. Animal Waste

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Correct Option: A