Tag: solid waste management

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Questions Related to solid waste management

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

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. $1, 3, 4, 5$
  3. $2, 3, 4, 5$
  4. $1, 2, 3, 4$
  5. $1, 2, 4, 5$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  1. Arsenic poisoning causes black foot disease as arsenic is a carcinogen that results in darkening of the skin and abdominal issues.
    2. Secondary treatment to the effluents involves a biological process in which the organic matter in the effluent is decomposed by the bacteria and fungi.
    3. Pyrolysis is the process in which the solid soil is subjected to the high temperature to decompose it into ash.
    4. Tubifex is a roundworm that can sustain the polluted water that has low levels of dissolved oxygen and heavy metal deposition. So, its growth in any water body indicates water pollution.
    5. Biomagnification is the ability of the non-degradable pollutants to stay in the adipose tissues of the living organisms and persist in higher concentration.
    Hence, the correct answer is '1,2,3,4'.
Multiple choice solid waste management environmental management biology

Solid waste can be classified into

  1. Household waste

  2. Industrial waste

  3. Biomedical waste

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Solid waste can be classified into different types depending on their source:
a) Household waste is generally classified as municipal waste, 
b) Industrial waste as hazardous waste, 
c) Biomedical waste or hospital waste as infectious waste.
Multiple choice solid waste management environmental management biology

Incineration is performed at

  1. High temperature more than 1000$^o$ C

  2. 273K
  3. Temperature lower than 200$^o$ C
  4. 0$^o$ C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials at very high temperatures, typically above 1000 degrees Celsius.

Multiple choice solid waste management environmental management biology

________ is considered as a thermal treatment.

  1. Incineration

  2. Denaturation

  3. Recycling

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high-temperature waste treatment systems are described as "thermal treatment". 

Multiple choice solid waste management environmental management biology

Which of the following substances is formed by the action of decomposers?

  1. Fertilizers

  2. Pesticides

  3. Compost

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When garbage such as leftover food, plant and animals waste is collected in heaps, decomposers such as bacteria, insects such as earthworms and fungi act on it and break it down. This product which is formed by this action of decomposers is called compost. This process is called composting and the compost can be used to increase the plant yield. Thus the correct answer is option C.

Multiple choice solid waste management environmental management biology

How much solid waste is produced by USA urban areas per day?

  1. 8 lac tons

  2. 7 lac tons

  3. 9 lac tons

  4. 2 lac tons
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Based on standard environmental science textbooks often used in this curriculum, the estimated daily solid waste production in US urban areas is cited as 7 lac tons.

Multiple choice solid waste management environmental management biology

Vermi-composting is a natural method of

  1. Producing compost manure

  2. Producing worms

  3. Managing waste it creates

  4. Destroying worms
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vermi-composting uses earthworms to break down organic waste into nutrient-rich compost, which serves as a natural method for producing manure.

Multiple choice solid waste management environmental management biology

What causes erosion of concrete degradation?

  1. Bacterial corrosion

  2. Viral corrosion

  3. Biological damage

  4. All of above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bacterial corrosion, specifically through the action of sulfur-oxidizing bacteria, is a primary cause of concrete degradation in sewer systems.

Multiple choice solid waste management environmental management biology

Fume are formed from condensation of

  1. Gaseous matter

  2. liquid particulate

  3. Solid material

  4. Smoke
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fumes are fine solid particles formed by the condensation of vapors from solid materials, typically during high-temperature processes like smelting or welding.

Multiple choice solid waste management environmental management biology

Where does combustion of solid waste take place?

  1. Pyrolysis Reactor

  2. Pyrolysis Chamber

  3. Simple Reactor

  4. Simple chamber
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In waste management, the combustion of solid waste for energy or volume reduction is typically conducted within a specialized unit known as a pyrolysis reactor or incinerator chamber.