Here we are providing Class 6 science Objective Chapter – 16 Garbage In Garbage Out because its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 6 science Objective Chapter – 16 Garbage In Garbage Outis an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 6 science Objective Chapter – 16 Garbage In Garbage Out 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 6 Science Objective Chapter – 16 Garbage In Garbage Out
1.Landfill is
( A ) an open area near a river/lake
( B ) low-lying open area
( C ) high-lying open area
( D ) none of these
Ans – ( B )
2. How is garbage handled at the landfill site?
( A ) It is spread as such over the landfill site
( B ) It is separated into useful and non-useful components and then spread over the landfill site
( C ) Both the above are correct
( D ) None of the above is correct
Ans – ( B )
3.Some substances that are difficult to dispose off:
( A ) Glass
( B ) Plastics
( C ) Metals
( D ) All of these
Ans – ( D )
4. Some substances that are difficult to dispose off:
( A ) Glass
( B ) Plastics
( C ) Metals
( D ) All of these
Ans – ( D )
5.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
Ans – ( B )
6.Completely rotting of garbage provides to the plants.
( A ) Nutrients
( B ) Vitamin
( C ) Calcium
( D ) Protein
Ans – ( A )
7. For red worms the food should be
( A ) put at the top layer of soil
( B ) put at the bottom (about 30 cm) deep of the pit
( C ) put at about 2-3 cm deep inside the pit
( D ) All the above are correct
Ans – ( C )
8.Which one of the following will add to garbage?
( A ) Syringe used by a doctor
( B ) Tin of a soft drink
( C ) Wrapper of food stuff
( D ) All of these
Ans – ( D )
9.The rotting and conversion of some material and manure is called:
( A ) Land fill
( B ) Biodegradable substance
( C ) Non-biodegradable
( D ) Compositing
Ans – ( D )
10.Which one of the following is not a method of garbage disposal?
( A ) Landfill
( B ) Vermicomposting
( C ) Cycling
( D ) Composting
Ans – ( C )
11.Compost make the soil.
( A ) Fertile
( B ) Non-fertile
( C ) Clayey
( D ) Sandy
Ans – ( A )
12.The rotting of garbage is said to be completed when garbage
( A ) do not change at all
( B ) rot almost completely, but still smell bad
( C ) rot only partially
( D ) rot completely and not smell
Ans – ( D )
13.What are colour of dustbins ?
( A ) Blue
( B ) Red
( C ) Green
( D ) Both ( A ) and (c)
Ans – ( D )
14.Which one of the following is used for making vermicomposts?
( A ) House flies
( B ) Cockroaches
( C ) Butterfly
( D ) Redworms
Ans – ( D )
15.Which garbage is put in blue dustbin ?
( A ) Plastics
( B ) Metals
( C ) Glass
( D ) All of these
Ans – ( D )
16.Which of the following can be recycled?
( A ) Stone
( B ) Cloth
( C ) Paper
( D ) Grass
Ans – ( C )
17.Which garbage is put in green dustbins ?
( A ) Kitchen wastes
( B ) Plants wastes
( C ) Animal wastes
( D ) All of these
Ans – ( D )
18.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
Ans – ( C )
19.Red worms have a structure called:
( A ) Egg shells
( B ) Sea shells
( C ) Gizzard
( D ) None of these
Ans – ( C )
20.Garbage from cities are dumped at
( A ) riversides
( B ) inside ponds and lakes
( C ) landfill areas
( D ) sewage pit
Ans – ( C )
21.In which climate do red worms survive ?
( A ) Very hot surroundings
( B ) Very cold surroundings
( C ) Moisture surroundings
( D ) Rainy
Ans – ( D )
22.The colour of dustbins in which biodegradable garbage is collected is
( A ) orange
( B ) red
( C ) green
( D ) blue
Ans – ( C )
23.What is food of red worms ?
( A ) Vegetable and fruit wastes
( B ) Coffee and tea remains
( C ) Weeds from fields or gardens
( D ) All of these
Ans – ( D )
24.The colour of dustbins in which non-biodegradable garbage such as plastics, metals, glass, etc., are col-lected is
( A ) red
( B ) blue
( C ) green
( D ) orange
Ans – ( B )
25.A low lying open area is called a ……………
( A ) Composting
( B ) Landfill
( C ) Vermicomposting
( D ) None of these
Ans – ( B )
26.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
Ans – ( B )
27.Method of preparing compost with the help of redworms is called:
( A ) Composting
( B ) Land fill
( C ) Vermicomposting
( D ) None of these
Ans – ( C )
28.Which of the following wastes cannot be added in the process of making vermicompost?
( A ) Cardboard
( B ) Cowdung
( C ) Newspaper
( D ) Pickles
Ans – ( D )
29.Those substances which are decomposed by natural processes are:
( A ) Composting
( B ) Landfill
( C ) Vermicomposting
( D ) Biodegradable substances
Ans – ( D )
30.The liquid waste generated due to domestic activities is known as
( A ) sewage
( B ) compost
( C ) fertiliser
( D ) smoke
Ans – ( A )
31.Those substances that cannot be decomposed by natural processes are:
( A ) Composting
( B ) Non-biodegradable substances
( C ) Vermicomposting
( D ) Biodegradable substances
Ans – ( B )
32.Which of the following can be recycled?
( A ) Leather shoes
( B ) Animal waste
( C ) Waste paper
( D ) Kitchen waste
Ans – ( C )
33.Give examples of some things which are thrown as garbage everyday from our homes, schools, shops and offices ?
( A ) Sharpened pencils are thrown
( B ) Rough papers are thrown
( C ) Packing plastics bags or tins are thrown as garbage
( D ) All of these
Ans – ( D )
34.Which of the following wastes can be recycled?
( A ) Plastic
( B ) Onion Peel
( C ) Eggshell
( D ) Banana peel
Ans – ( A )
35.Safai Karamcharis collect the garbage in …………….
( A ) Trucks
( B ) Bus
( C ) Train
( D ) Auto-rickshaw
Ans – ( A )
36.Dried leaves and plant wastes are best disposed-off by
( A ) burning
( B ) composting
( C ) using as fuel
( D ) throwing in ponds
Ans – ( B )
37.The safai Karamcharis separate out the components and then cover it with a layer of soil.
( A ) Useful
( B ) Non-useful
( C ) Both ( A ) and (b)
( D ) None of these
Ans – ( B )
38.Which of the following is used for vermicomposting?
( A ) Redworms
( B ) Earthworms
( C ) Blue worms
( D ) Tapeworms
Ans – ( A )
39.The useful components are dumped in …………… making areas developed near the land fill.
( A ) Compost
( B ) Decomposed
( C ) Biodegradable
( D ) Non-biodegradable
Ans – ( A )
40.The colour of dustbins in which biodegradable garbage is collected is
( A ) black
( B ) green
( C ) yellow
( D ) blue
Ans – ( B )
41.Which one can be used for making manure?
( A ) Earthworms
( B ) Houseflies
( C ) Eagle
( D ) Crow
Ans – ( A )
42.By recycling used paper we can save
( A ) metals
( B ) paper
( C ) trees
( D ) glass
Ans – ( C )
43.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
Ans – ( C )
44.Garbage from cities is collected at
( A ) landfill areas
( B ) riversides
( C ) inside the ponds and lakes
( D ) near every colony
Ans – ( A )
45.Landfill are is/an
( A ) open area
( B ) high lying open area
( C ) open area near a river/lake
( D ) low lying open area
Ans – ( D )
46.Out of these, which one is a non-biodegradable waste?
( A ) Paper
( B ) Faecal matter
( C ) Aluminium foil
( D ) Cotton
Ans – ( C )
47.Leaves falling from trees should be
( A ) dumped in landfill areas
( B ) dried and burnt
( C ) used in making compost
( D ) dumped near the ponds and lakes
Ans – ( C )
48.3’R’ means
( A ) reduce, reuse and recycle
( B ) rain, reuse and recycle
( C ) rotting, reduce and reuse
( D ) recycle, rain and rotting
Ans – ( A )
49.Which of the following sets of items is good for making compost?
( A ) Plastic paper, tin foil, wrappers
( B ) Broken plastic toys, polythene bags, pieces of clothes
( C ) Egg shells, vegetable and fruit peels and tea leaves
( D ) Aluminium wrappers, plastic bags and dry leaves
Ans – ( C )
50.Rotting is carried out by
( A ) microbes
( B ) insects
( C ) ants
( D ) amoeba
Ans – ( A )
51.The rotting of garbage is said to be completed when the garbage
( A ) rots completely and does not smell
( B ) rots almost completely but still smells bad
( C ) rots only partially
( D ) not changes at all
Ans – ( A )