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
Composting method in which earthworm is used
  • A
    Vermicomposting
    Correct
  • B
    Composting
  • C
    Manuring
  • D
    Decomposing
2
Which one is the most common cause of contamination of water in rural area?
  • A
    Presence of aquatic organisms
  • B
    Soil present around the water bodies
  • C
    Addition of manure in field near water bodies
  • D
    Defection in or around water bodies
    Correct
3
River water is unfit for drinking because it has
  • A
    All of these
  • B
    Aquatic organism
  • C
    Suspended impurities and pollutants
    Correct
  • D
    More salts than required
4
Water shortage is a problem faced by
  • A
    People living in rural area only
  • B
    People living in metro only
  • C
    People living in all localities
    Correct
  • D
    People living in cities only
5
Water management is the process of
  • A
    Judicious and careful use of water
    Correct
  • B
    Equitable distribution of water
  • C
    Purification of water
  • D
    Water cycling
6
The area where garbage is collected and decomposed is called
  • A
    Dustbin
  • B
    All of these.
  • C
    Landfills
    Correct
  • D
    Compost
7
DDT is used as
  • A
    Pesticides
    Correct
  • B
    Medicine
  • C
    Herbicides
  • D
    Antibiotic
8
Accumulation of harmful non-biodegradable chemicals in food chain is called
  • A
    Expedition
  • B
    Fertilization
  • C
    Bio-fertilization
  • D
    Biomagnifications
    Correct
9
Sewage treatment plants removes
  • A
    Only liquid wastes
  • B
    Only chemical wastes
  • C
    Only solid wastes
  • D
    Solid, liquid and chemical wastes
    Correct
10
Chocking of sewage is caused due to
  • A
    All of these
  • B
    Vegetable and fruit peels
  • C
    Plastics and other non-biodegradable items
    Correct
  • D
    Bathroom and kitchen wastes
11
Sustainable development is necessary to
  • A
    Best utilization of resources
  • B
    Protect the natural resources
    Correct
  • C
    Protect the water bodies
  • D
    Judicious use of fossils fuels only
12
Which one of the following organism accumulates maximum amount of toxic substance during Biomagnifications?
  • A
    Human
    Correct
  • B
    Frog
  • C
    Protozoa
  • D
    Fish
13
Sewage is a
  • A
    Liquid wastes
    Correct
  • B
    All of these
  • C
    Gaseous wastes
  • D
    Solid wastes
14
Water-wise habits includes
  • A
    Turns of taps while brushing
    Correct
  • B
    Bath with one bucket of water
  • C
    Drinking water properly
  • D
    Wash the flour one time in a day
15
Biological Oxygen Demand is ________________ in polluted water.
  • A
    Less
  • B
    Equal to normal water
  • C
    More
    Correct
  • D
    Cannot be calculated