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Solid waste and control - class-XII

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Different examples of waste are

  1. Electronic waste

  2. Waste water

  3. Hazardous waste

  4. All of the above


Correct Option: D

The garbage or trash collected regularly is known as

  1. Domestic waste

  2. Municipal waste

  3. Agricultural waste

  4. None of these


Correct Option: B
Explanation:

Municipal waste, commonly known as trash or garbage in the U.S. and as refuse or rubbish in the UK, is a waste type consisting of everyday items that are discarded by the public. Garbage can also refer specifically to food waste, as in a garbage disposal; the two are sometimes collected separately. Therefore, (b) is the correct answer.

What is the toxic substance contained by typical electronic waste?

  1. PCBs

  2. Dioxin

  3. Pesticide like compounds

  4. Heavy metals


Correct Option: B

Discarded electronic items are categorized under

  1. Industrial waste

  2. Domestic waste

  3. Hazardous waste

  4. Electronic waste


Correct Option: D

What does e-waste stand for? 

  1. environment Waste

  2. electronic Waste

  3. equipment Waste

  4. All of the above


Correct Option: B

What is the single greatest source of solid waste?

  1. Mining

  2. Municipalities

  3. Agriculture

  4. Industry


Correct Option: B

E-waste contains hazardous substances that are harmful to the environment and human health if not properly treated or disposed of, therefore they must be handled with care.
What are the health hazards which can be caused by e-waste? 

  1. Brain

  2. Lung cancer

  3. DNA damage

  4. All of the above


Correct Option: D

What is the toxic substance contained by typical electronic waste?

  1. PCBs

  2. Dioxin

  3. Pesticide-like compounds

  4. Heavy metals


Correct Option: B

What is e-waste?

  1. Hazardous chemical waste

  2. Waste electronic equipment

  3. Waste from nuclear power generation

  4. Environmental friendly waste


Correct Option: B
Explanation:

Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for reuse, resale, salvage, recycling or disposal are also considered e-waste.

Which state proposed a ban on all types of polythene packing for the first time in India?

  1. Himachal Pradesh

  2. Madhya Pradesh

  3. Kerala

  4. Karnataka


Correct Option: A

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

  1. Phthalates

  2. Clay

  3. Polycarbonate

  4. Bisphenol


Correct Option: A

Thickness of plastic cover permissible to use

  1. 50 Microns

  2. 20 Microns

  3. 100 Microns

  4. 10 Microns


Correct Option: C

What do we get from pastic waste?

  1. Oil

  2. Fats

  3. Leather

  4. Food


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
  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


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

  1. plastics

  2. pesticides

  3. municipal sewage

  4. electronic waste


Correct Option: A
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