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
_________________ have become integral parts of life.
  • A
    Gold
  • B
    Plastics
    Correct
  • C
    Wood
  • D
    Cotton
2
Cooking oil and fats should not thrown down the drain because they can
  • A
    Kills the useful microbes
  • B
    Make foul smell
  • C
    Harden and block the pipes
    Correct
  • D
    Make unhygienic condition
3
Tea leaves and solid remain of kitchen should thrown into
  • A
    Any where
  • B
    Dustbin
    Correct
  • C
    Water bodies
  • D
    Sewer
4
Poor sanitation and contaminated drinking water is the main source of
  • A
    Fever
  • B
    Antibiotics
  • C
    Food for animals
  • D
    Large number of disease
    Correct
5
Contaminants are
  • A
    Dissolved and suspended impurities
    Correct
  • B
    Chemical impurities only
  • C
    Biological impurities only
  • D
    Physical impurities
6
Trade wastes is released from
  • A
    Toilets
  • B
    Bathrooms
  • C
    Industrial and commercial organization
    Correct
  • D
    Kitchens
7
Large objects like plastic bottles, plastics and cans floating in water are removed by
  • A
    Aeration
  • B
    Sedimentation
  • C
    Bar screen
    Correct
  • D
    Chlorination
8
Floatable solids like oil and grease present in sewage is removed by
  • A
    Bar screen
  • B
    Skimmer
    Correct
  • C
    Scraper
  • D
    Filtration
9
Unhygienic and unsanitary condition provide suitable condition for
  • A
    Fish culture
  • B
    All of these
  • C
    Plantation of rice
  • D
    Breeding of mosquito and flies
    Correct
10
Algal bloom is caused due to addition of
  • A
    Inorganic matters in water bodies
  • B
    Organic matters in water bodies
    Correct
  • C
    Chemical substance in water bodies
  • D
    Any one of the following
11
The method of preparing compost by using earthworm is called
  • A
    Vermiform composting
    Correct
  • B
    Fermentation
  • C
    Annealing
  • D
    Decomposition
12
If kitchen wastes are dumped into a pits it may
  • A
    Remain as it is
  • B
    Change into vermin-compost
  • C
    Convert into compost
    Correct
  • D
    Dry and remain forever
13
Burning of dried leaves and other parts of plant causes
  • A
    Soil pollution
  • B
    Lots of heat is generated
  • C
    Water pollution
  • D
    Air pollution
    Correct
14
Which of the following is a reuse process?
  • A
    Burning of old polythene
  • B
    Melting of plastic to remould it
  • C
    Making paper bags from old newspaper
    Correct
  • D
    Collection of iron to melt it
15
Reuse is better than recycling because
  • A
    Reuse contain impurities
  • B
    Reuse is unhygienic habit
  • C
    In recycling energy is used
    Correct
  • D
    Recycling require human labour