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CBSE Class 6 Science MCQ Garbage In Garbage Out with Answers
Question : By whom is garbage taken away from dust-bins?
(a) By Safai-Karamcharis
(b) By birds and animals
(c) By wind
(d) All of these
(a) By Safai-KaramcharisShow Answer :
Answer :
Question : Which among the following will not pollute the soil?
(a) Aluminium foil
(b) Plastic
(c) Thermo Col
(d) Bread
(d) BreadShow Answer :
Answer :
Question : Which garbage is put in blue dustbin ?
(a) Plastics
(b) Metals
(c) Glass
(d) All of these
(d) All of theseShow Answer :
Answer :
Question : Garbage from cities is collected at
(a) landfill areas
(b) riversides
(c) inside the ponds and lakes
(d) near every colony
(a) landfill areasShow Answer :
Answer :
Question : Completely rotting of garbage provides to the plants.
(a) Nutrients
(b) Vitamin
(c) Calcium
(d) Protein
(a) NutrientsShow Answer :
Answer :
Question : Converting plant and animal waste in to manure is called
(a) Composting
(b) Vermi composting
(c) Fertilizing
(d) Land fills
Show Answer :
Answer : Composting
Question : A low lying open area where solid garbage is thrown
(a) Landfill
(b) Drains
(c) River
(d) Pond
Show Answer :
Answer : Landfill
Question : Which of the following is good for making composting?
(a) Plastic bags, aluminium foil, dry leaves
(b) Vegetable and fruit peels, tea leaves, egg shells
(c) Polythene bags, pieces of clothes, paper
(d) Plastic paper, tin foil, egg shell, leather
(b) Vegetable and fruit peels, tea leaves, egg shellsShow Answer :
Answer :
Question : Liquid waste from houses is called
(a) Effluent
(b) Sewage
(c) Sludge
(d) Smog
(b) SewageShow Answer :
Answer :
Question : Out of these, which one is a non-biodegradable waste?
(a) Paper
(b) Faecal matter
(c) Aluminium foil
(d) Cotton
(c) Aluminium foilShow Answer :
Answer :
Question : Which is a paste of clay and paper?
(a) Paper-mache
(b) Plaster
(c) Plasticine
(d) Clay
Show Answer :
Answer : Paper-mache
Question : Instead of polythene bags we can use bags made of
(a) Paper
(b) Rubber
(c) Silk
(d) Nylon
Show Answer :
Answer : Paper
Question : Compost make the soil.
(a) Fertile
(b) Non-fertile
(c) Clayey
(d) Sandy
(a) FertileShow Answer :
Answer :
Question : Leaves falling from trees should be disposed by
(a) burning
(b) making compost by boiling and drying them
(c) making compost by vermicomposting
(d) any of these methods
Answer: (c) making compost by vermicompostingShow Answer :
Answer :
Explanation:
leaves falling from trees should be disposed by making compost by vermicomposting.
Question : Garbage from cities is collected at
(a) landfill areas
(b) riversides
(c) inside the ponds and lakes
(d) near every colony
Answer: (a) landfill areasShow Answer :
Answer :
Explanation:
Garbage from cities is collected at landfill areas.
Question : Which of the following can be recycled?
(a) Waste paper
(b) Leather shoes
(c) Animal waste
(d) Kitchen waste
Answer: (a) Waste paperShow Answer :
Answer :
Explanation:
Waste paper is renewable source which is recycled into 0ther uesful products
Question : Out of these, which one is a non-biodegradable waste?
(a) Paper
(b) Faecal matter
(c) Aluminium foil
(d) Cotton
Answer: (c) Aluminium foilShow Answer :
Answer :
Explanation:
Non-biodegradable wastes are those that cannot be broke and harmless products by microbes.
Question : 3’R’ means
(a) reduce, reuse and recycle
(b) rain, reuse and recycle
(c) rotting, reduce and reuse
(d) recycle, rain and rotting
Answer: (a) reduce, reuse and recycleShow Answer :
Answer :
Explanation:
Practicing 3R’s (Reduce, Reuse and Recycle) is a good method of waste management and important for healthy environment.
Question : A non-biodegradable item
(a) Can not be decomposed easily
(b) Can be recycled
(c) Can be exhaustible
(d) Can be reused
(a) Can not be decomposed easilyShow Answer :
Answer :
Question : Method of preparing compost with the help of redworms is called:
(a) Composting
(b) Land fill
(c) Vermicomposting
(d) None of these
(c) VermicompostingShow Answer :
Answer :
Question : Which one of the following is not a method of garbage disposal?
(a) Landfill
(b) Vermicomposting
(c) Cycling
(d) Composting
(c) CyclingShow Answer :
Answer :
Question : Which one of the following is used for making vermicomposts?
(a) House flies
(b) Cockroaches
(c) Butterfly
(d) Redworms
(d) RedwormsShow Answer :
Answer :
Question : Materials that can be recycled are collected in
(a) Red bins
(b) Blue bins
(c) Yellow bins
(d) White bins
(b) Blue binsShow Answer :
Answer :
Question : Garbage from cities are dumped at
(a) riversides
(b) inside ponds and lakes
(c) landfill areas
(d) sewage pit
(c) landfill areasShow Answer :
Answer :
Question : Which of the following is used as composting raw material?
(a) Old clothes
(b) Kitchen wastes
(c) Animals wastes only
(d) Human excreta
(b) Kitchen wastesShow Answer :
Answer :
Question : If you dump kitchen waste in a pit, after sometime, it may
(a) convert into vermicompost
(b) convert into compost
(c) remain as such
(d) remain dried forever
(b) convert into compostShow Answer :
Answer :
Question : Which one is not an organic waste?
(a) DDT
(b) Cotton cloths
(c) Vegetable peels
(d) Paper
(a) DDTShow Answer :
Answer :
Question : The liquid waste generated due to domestic activities is known as
(a) sewage
(b) compost
(c) fertiliser
(d) smoke
(a) sewageShow Answer :
Answer :
Question : Which of the following wastes can be recycled?
(a) Plastic
(b) Onion Peel
(c) Eggshell
(d) Banana peel
(a) PlasticShow Answer :
Answer :
Question : Bacteria that decompose organic wastes are called
(a) Anaerobic bacteria
(b) Lactobacillus bacteria
(c) Aerobic bacteria
(d) All of these
(a) Anaerobic bacteriaShow Answer :
Answer :
Question : The area where garbage is collected and decomposed is called
(a) Compost
(b) Landfills
(c) Dustbin
(d) All of these
(b) LandfillsShow Answer :
Answer :
Question : Which one of the following will add to garbage?
(a) Wrapper of a biscuit pack
(b) Tin of a cold drink
(c) Syringe used by a doctor
(d) All of these
Answer: (d) All of theseShow Answer :
Answer :
Explanation:
Garbage consists of many different types of substances and materials, as wrapper of a biscuit pack, tin of a cold drink, syringe used by a doctor, tea leaves, etc.
Question : Rotting is carried out by
(a) microbes
(b) insects
(c) ants
(d) amoeba
Answer: (a) microbesShow Answer :
Answer :
Explanation:
Biodegradable wastes are broken down by microorganism (microbes)
Question : Materials that can be recycled are collected in
(a) Red bins
(b) Blue bins
(c) Yellow bins
(d) White bins
Answer: (b) Blue binsShow Answer :
Answer :
Explanation:
According to government scheme, materials that can be recycled are collected in blue bins. This waste is sent directly for processing
Question : Red worms have a structure called:
(a) Egg shells
(b) Sea shells
(c) Gizzard
(d) None of these
(c) GizzardShow Answer :
Answer :
Question : Example of not a household garbage is
(a) Dal packets
(b) Plants parts
(c) Vegetable peels
(d) Crockery pieces
(b) Plants partsShow Answer :
Answer :
Question : Leaves falling from trees should be
(a) dumped near the ponds and lakes
(b) dried and burnt
(c) used in making compost
(d) dumped in landfill area
(c) used in making compostShow Answer :
Answer :
Question : Which one can be used for making manure?
(a) Earthworms
(b) Houseflies
(c) Eagle
(d) Crow
Answer: (a) EarthwormsShow Answer :
Answer :
Explanation:
Earthworms are called farmer’s friends because they convert agricultural waste into manure.
Question : Which among the following will not pollute the soil?
(a) Aluminium foil
(b) Plastic
(c) Thermo Col
(d) Bread
Answer: (d) BreadShow Answer :
Answer :
Explanation:
Bread is a biodegradable material.
Fill in the blanks with appropriate words:
Question : …………………… is an area where the garbage is collected.
Answer: LandfillShow Answer :
Answer :
Question : Converting plant and animal wastes into manure is called ……………….. .
Answer: compostingShow Answer :
Answer :
Question : We need to generate …………….. waste.
Answer: lessShow Answer :
Answer :
Question : Method of making compost using …………………. is called vermicomposting.
Answer: redwormsShow Answer :
Answer :
Question : Municipal solid waste is commonly called ………………. .
Answer: garbageShow Answer :
Answer :
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