Tag: waste generation

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Questions Related to waste generation

Multiple choice social science waste generation and management origin of waste products e-wastes waste generation waste and its types

Waste is said to be

  1. Subjective

  2. Destructive

  3. Objectively inaccurate

  4. Both A and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The term waste is often subjective (because waste to one person is not necessarily waste to another) and sometimes objectively inaccurate (for example, to send scrap metals to a landfill is to inaccurately classify them as waste, because they are recyclable). 

Multiple choice social science waste generation and management origin of waste products e-wastes waste generation waste and its types

Proper management of natural resources ensures 

  1. equitable distribution of natural resources

  2. sustainable development

  3. Both A and B

  4. contamination of environment
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Natural resource management refers to the management of natural resources such as land, water, soil, plants, and animals, with a particular focus on how management affects the quality of life for both present and future generations (stewardship)
  • Hence proper management of natural resources ensures equitable distribution of natural resources and sustainable development.
  • So, the correct answer is 'Both A and B'.
Multiple choice social science waste generation and management origin of waste products e-wastes waste generation waste and its types

Waste are of two types, biodegradable and non-biodegradable.

  1. True

  2. False

  3. Either

  4. Neither
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

According to natural disposal, the pollutants may be biodegradable or nonbiodegradable.

1. Biodegradable Pollutants: These are quickly degraded by natural means. Sewage and heat are pollutants of this category. These pollutants are disposed of by microbial action and radiation respectively.

2. Nondegradable Pollutants: These are not degraded or are degraded slowly in nature. DDT, arsenic salts of heavy metals, glass or tin containers, radioactive materials, and plastics are the pollutants of this category. These pollutants accumulate and may get biologically magnified as they pass through the food chains.

So, the correct answer is 'True'.

Multiple choice biology wastewater story origin of waste products waste generation waste and its types

A lake with an inflow of domestic sewage rich in organic waste may result in

  1. Drying of the lake vary soon due to algal bloom

  2. An increased growth of fishes due to lot of nutrients

  3. Death of fish due to lack of oxygen

  4. Increased population of aquatic food web organisms
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The nutrients present in domestic sewage added in a lake will cause the dense growth of microbes, The microbes use oxygen and may deoxygenate the water which may lead to the death of the fish.