Class 6 Garbage In Garbage Out CBSE Questions & Answers

Class 6 · Garbage In Garbage Out

This is Science Class 6 Garbage in Garbage out CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Waste material should be ____________ into recyclable and non-recyclable.
  • A
    Separated
    Correct
  • B
    Remove
  • C
    Defrayment
  • D
    Dump
2
Liquid waste from houses is called
  • A
    Effluent
  • B
    Smog
  • C
    Sludge
  • D
    Sewage
    Correct
3
Waste management is necessary to protect
  • A
    Nature
  • B
    Environment
    Correct
  • C
    Ecosystem
  • D
    Habitat
4
Biodegradable waste
  • A
    Decomposes in nature by microbes
    Correct
  • B
    Accumulates in environment
  • C
    Enters the food chains then causes bio magnification
  • D
    Does not decompose
5
Polythene and plastics
  • A
    Degrade in the environment very easily
  • B
    Are not harmful
  • C
    Are non-biodegradable and very harmful
    Correct
  • D
    Do not generate any bad odour
6
Which of the following is a good habit to preserve ecosystem?
  • A
    Using portable water for cleaning car
  • B
    Composting
    Correct
  • C
    Burning wastes
  • D
    Throwing in water bodies
7
Which of the following is non-biodegradable waste?
  • A
    Cotton cloths
  • B
    Plants and animals excreta
  • C
    Vegetable and fruit peels.
  • D
    Plastic
    Correct
8
Which one is not an organic waste?
  • A
    Paper
  • B
    DDT
    Correct
  • C
    Vegetable peels
  • D
    Cotton cloths
9
Bio gas can be produced by using
  • A
    Old clothes
  • B
    Animals excreta
    Correct
  • C
    Used wooden
  • D
    Used plastics
10
Sanitation in the cities is the function of
  • A
    Non-government organisation
  • B
    Societies of locality
  • C
    Individual person
  • D
    Municipal corporation
    Correct
11
The process of waste treatment is called
  • A
    Water treatment
  • B
    Sewage treatment
    Correct
  • C
    Chlorination
  • D
    Pollutant separation
12
Bacteria that decompose organic wastes are called
  • A
    Lactobacillus bacteria
  • B
    Anaerobic bacteria
    Correct
  • C
    All of these
  • D
    Aerobic bacteria
13
Which of the following is used as composting raw material?
  • A
    Animals wastes only
  • B
    Human excreta
  • C
    Kitchen wastes
    Correct
  • D
    Old clothes
14
Biodegradable wastes are generally
  • A
    Inorganic
  • B
    Blended
  • C
    Organic
    Correct
  • D
    Synthetic
15
Backward composting is a method of
  • A
    Sewage treatment
  • B
    House hold waste management
  • C
    Source reduction of wastes
    Correct
  • D
    Decomposition of dead plants