Tag: solid waste and control

Questions Related to solid waste and control

Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

Which of the following groups contain only biodegradable items?

  1. Glass, flowers and leather

  2. Wood and grass

  3. Fruit-peels, cake and lime-juice

  4. Both B and C

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wastes that are capable of being broken down or decomposed rapidly by the actions of microorganisms are called as biodegradable wastes. Fruit-peels, cake, lime juice, wood and grass can be easily decomposed by the microbes. 

Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

The rotting of garbage is said to be completed when the garbage

  1. Rot completely and not smell

  2. Rot almost completely, but still smell bad

  3. Rot only partially

  4. No change at all

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
The rotting of garbage is said to be completed when the garbage has rotten completely without releasing any foul smell.
So, the answer is A.
Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

Biodegradable pollutants have following characters except:

  1. They are decomposed by microbes

  2. They are degraded rapidly

  3. They can be used to produce compost, manure, etc.

  4. Plastic, DDT are examples of biodegradble wastes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DDT, plastics, broken glasses are example of non-biodegradable wastes

So, the correct answer is 'Plastic, DDT are examples of biodegradable wastes'

Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

The methods of disposal of kitchen waste is

  1. Composting

  2. Landfilling

  3. Weeding

  4. Both A and B

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The methods of disposal of kitchen waste include Composting as well as landfilling. Composting is a process in which organic matter like compost is decomposed. It is done with the help of certain micro-organisms which can utilize these organic substances and convert it into simpler substances. And landfilling is a process in which the compost is buried inside the land so that the gases produced by the rotten food and other organic material is disposed of. This also increases the nutritional value of the soil.