CBSE Questions for Class 6 Biology Garbage In Garbage Out Quiz 3 - MCQExams.com

Ecological imbalance in the biosphere is created by 
  • Cutting of forests
  • Conservation of forest
  • Production of more plastics
  • Both A and C
Which among the following measures can reduce the overuse of plastic ?
  • Stop buying bottled water instead use a reusable bottle or mug for water and other beverages.
  •  Insist shopkeepers to use paper bags or jute bags to carry purchased goods.
  • Avoid buying frozen foods because their packaging is mostly plastic. 
  • All of the above
_________ are used to make vermicompost.
  • Earthworms
  • Tapeworms
  • Ringworms
  • Both A and B
Which of the following statement is not true for plastics?
  • Plastics are used in most of the products
  • Plastics are light and attractive
  • Plastics can be burnt to dispose the waste
  • All of the above
Which of the following is non-biodegradable?
  • Plastic
  • Cotton
  • Paper
  • Left-over food
Choose the incorrect statement about plastics.
  • Plastics are widely used.
  • Plastics are light and attractive.
  • Plastics are biodegradable.
  • All of the above
Find the odd one out:
  • Plastic
  • Paper
  • Rind or fruit
  • Excreta of animal
Tea leaves, polythene bag, broken glass, fruit-vegetable peels, newspaper, iron nails, paper bags.

How many of these following can be considered decomposable?
  • 5
  • 4
  • 2
  • 3
Which of the following cannot be converted into compost by the red worms?
  • Biodegradable garbage
  • Non - biodegradable garbage
  • Polythenes and plastic bags
  • Both B and C
The area where the garbage collected from the city or town is brought and dumped is called _________ .
  • Dumping ground
  • Landfill
  • Dustbin
  • Both A and B
Why Kulhads are suggested as an alternative of plastic cups?
  • Easy to made
  • Easy to destroy
  • Good for hygiene
  • All of the above
What is the best method to avoid pollution by using plastic bags?
  • Bury the plastic bags in the soil
  • Use biodegradable plastic bags
  • Throw the plastic bags into the river
  • Burn the plastic bags in a rubbish dump
The rotting of garbage is said to be completed when:  
  • The garbage rot completely and not smell.
  • The garbage rot almost completely, but still smell bad.
  • The garbage rot only partially.
  • There is no change at all.
Landfill is a/an:
  • Open area
  • High-lying open area
  • Open area near a river/lake
  • Low-lying open area
Leaves falling from trees should be
  • Dumped in landfill areas
  • Dried and burnt
  • Used in making compost
  • Dumped near the ponds and lakes
Which set of items are good for making compost?
  • Plastic paper, tin foil, wrappers
  • Broken plastic toys, polythene bags, pieces of clothes
  • Egg shells, vegetable and fruit peels and tea leaves
  • Aluminium wrappers, plastic bags and dry leaves
The low lying open area where the garbage if disposed off, is called as
  • Compost
  • Landfill
  • Parks
  • Playground
The worm used for vermicomposting is
  • Redworm
  • Roundworm
  • Flatworm
  • Pinworm
Of the following which is not a good method to dispose off the waste materials?
  • Landfill
  • Vermicomposting
  • Burning of plastics
  • Chemical treatment
The low cost method to dispose off the garbage is
  • Landfill
  • Vermicomposting
  • Recycling
  • Both A and B
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