Garbage In, Garbage Out Class 6 Quiz Question with Answer
Garbage In, Garbage Out Class 6 Quiz Question with Answer. CBSE Class 6 Science Lesson 16 Mock Test.
(1) Who collect the garbage from the town?
(a) Safai karamcharis
(b) Ladies
(c) wind
(d) none of the above
Answer: – a) Safai karamcharis
Explanation: – Safai karamcharis collect the garbage, it is their work to collect the garbage and clean the area.
(2) Where the garbage does collected by the safayi karmcharis?
(a) Bus stop
(b) landfill
(c) market
(d) farms
Answer: – b) landfill
Explanation: – safai karamcharis gather the garbage from the locality and accumulate at the place called landfill.
(3) The decomposition and conversion of some material into manure is called as ___________.
(a) Recycling
(b) compositing
(c) landfill
(d) all the above
Answer: – b) compositing
Explanation: – converting waste material of plants and animals into manure is called composting.
(4) Which of the following sentence is incorrect?
(a) Red worm – compost forming
(b) Landfill – land where garbage is thrown
(c) Garbage – municipal solid waste
(d) Recycling – making non-useful things
Answer: – d) Recycling – making non-useful things
Explanation: – All the pair is correct except only option (d) because Recycling is a process of making useful things from the waste products.
(5) Which of the following organism is used for Vermi- composting?
(a) blue warm
(b) green warm
(c) red warm
(d) none of these
Answer: – c) red warm
Explanation: – we can prepare a vericompost with the help of red warm because they are excellent for vermicomposting as compare to other.
(6) What should be the size of the pit for the earthworms?
(a) 20 cm deep
(b) 30 cm deep
(c) 10 cm deep
(d) 50 cm deep
Answer: – b) 30 cm deep
Explanation: – For vermicomposting, we should keep the earthworm (red warm) is about 30 cm deep inside pit where the sunlight does not reach directly.
(7) Which of the following material is used to make a comfortable home for earthworm in pit?
(a) Spread a net or chicken mesh at the bottom and 1 or 2 cm thick layer of sand
(b) Used vegetable waste like peel of fruits to cover the layer of sand
(c) Used gunny bag or old sheet of cloth or layer of grass to cover the pit.
(d) all of these
Answer: – d) all of these
Explanation: – all the above material is used to make a comfortable home for red worm in the pit, so that they could form a good type of compost.
(8) Which body part is used by red worms for the grinding of food?
(a) teeth
(b) mouth
(c) Gizzard
(d) none of these
Answer: – c) Gizzard
Explanation: – red worm does not have teeth, they have a structure called gizzard which help them in grinding, their food.
(9) Which of the following food we should give to the red worm?
(a) vegetable and fruit waste
(b) coffee and tea
(c) weeds
(d) all the above
Answer: – d) all the above
Explanation: – all of this food we should used to give to the red worms so that they should feed good and form good type of composting.
(10) What is the color of the dustbin used for collecting the kitchen Waste?
(a) yellow dustbin
(b) green dustbin
(c) blue dustbin
(d) none of these
Answer: – b) green dustbin
Explanation: – municipal provide different color of dustbin for different type of garbage, the green bin is used kitchen west while blue bin for waste material such as plastic.
(11) Which type of food is given to the red worms?
(a) salt and pickles
(b) oil and vinegar
(c) meat and milk
(d) none of these
Answer: – d) none of these
Explanation: – Red worm does not needs foods likes salt and pickles , oil, vinegar , meat and milk because all these food Started growing a disease which causes increase of small organism in a pit.
(12) Which of the following statement is correct?
(a) red worm eat food equal to its own weight , in a day
(b) plastic is eco – friendly
(c) red worm eat upon green leaves on trees and make compost
(d) none of these
Answer: – a) red worm eat food equal to its own weight, in a day.
Explanation: – plastic are non biodegradable so it is not eco – friendly , red worm eat green leaves which is present in pits not eat directly upon the trees, So of both this sentence is incorrect only “red worm eat food equal to its own weight” this sentence is correct.
(13) Which of the following waste can cause pollution of the soil?
(a) plastic
(b) bread
(c) water bottle
(d) both (a) and (c)
Answer: – d) both (a) and ( c )
Explanation: – both plastic and water bottle are non – Biodegradable, so they should not buried in soil, plastic and water wattle can polluted the soil while bread can be buried in soil, as it is biodegradable.
(14) Which of the following Waste is used as manure for growing plant?
(a) Plant
(b) animal
(c) aluminum foils
(d) both a and b
Answer:- d) both a and b
Explanation:- plant and animal waste is used as manure for the growth of plant , because both of these West are buried in soil while aluminum foils are not buried as aluminum foil are non-biodegradable.
(15) Does Vermicomposting a chemical fertilizer?
(a) yes
(b) No
(c) can’t say
(d) none of these
Answer: – b) No
Explanation:-vermicomposting is a natural fertilizer not a chemical fertilizer because we don’t use any chemical for preparing a vermicompost; it is a natural process in which the earthworms are used.
(16) In which of the following surrounding red worms cannot survive?
(a) very hot
(b) very cold
(c) both a and b
(d) Survive any area
Answer: – c) both a and b
Explanation: – red worm do not survive in very hot and very cold place, they required neither too hot or nor to cold surrounding.