# 6th Class Science Garbage In, Garbage Out Question Bank

### done Garbage In, Garbage Out

• A) Plastics

B) Metal containers

C) Groundnut shells

D) All of these

• A) At a distant place

B) At our door steps

C) In dust bins

D) All of the above

• A) By Safai-Karamcharis

B) By birds and animals

C) By wind

D) All of these

• A) To their homes

B) To distant markets

C) To landfills

D) Any place of their choice

• A) is a low lying open area

B) is a low lying open area, where the garbage collected from a city or town is dumped

C) is a place where truck loads of garbage are dumped

D) All of the above are correct

• 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

• A) They are dumped in compost making areas

B) They are taken to various factory sites

C) They are used as such

D) None of the above is correct

• A) becomes manure

B) can be mixed with soil to provide nutrients to plants

C) Both the above are correct

D) None of the above are correct

• A) fertilization

B) utilization

C) composting

D) None of these

• A) Green and yellow

B) Green and red

C) Blue and red

D) Blue and green

• A) Plastics

B) Metals

C) Glass

D) Materials that can be used again

• A) Kitchen waste

B) Plant waste

C) Animal waste

D) Those materials that rot completely when buried in soil

• A) Yes

B) No

C) Can't say

D) All are correct

• A) It is a method of preparing compost

B) It is a method of preparing compost with the help of organisms

C) It gives a vermilian coloured compost

D) All of the above are correct

• A) a type of earthworm

B) called red worm

C) Both the above

D) None of the above

B) Plastic bags

C) Broken toys

D) Vegetable and fruit wastes

• A) Dig a pit about 30 cm deep

B) Dig a pit about 30 cm deep at a place which is very hot

C) Dig a pit about 3 0 cm deep at a place which is very cold

D) Dig a pit 30 cm deep at a place which is neither too hot nor too cold

• A) A net

B) Wire mesh

C) Chicken mess

D) Any one of net, chicken mess and wire mesh

• A) Coffee

B) Tea

C) Vegetable and fruit wastes

D) All of the above

• 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

• A) have teeth to grind their food

B) do not have teeth to grind their food

C) need not grind their food

D) swallow their food

• A) Mouth

B) Teeth

C) Tongue

D) Gizzard

• A) Powdered egg shells

B) Powdered sea shells

C) Both the above

D) None of these

• A) Peels of vegetables and fruits

B) Plant and animal wastes

C) Paper

D) Plastics

• A) Paper

B) Metal containers

C) Newspapers

D) All of these can be recycled

• A) Heap A, in it the waste materials have rotten completely

B) Heap B, in it the waste materials have rotten only partly.

C) Both, in both the waste materials have rotten completely

D) Neither A nor B, the waste materials in both of them have rotten only partly.

• A) oxygen in air decreases

B) nitrogen in air decreases

C) carbon dioxide in air increases

D) ozone layer decreases

• A) To burn it

B) To prepare manure from biodegradable garbage

D) Both (b) & (c)

• A) Plants help in soil erosion.

B) Embankments are built across the slopes of hills to avoid soil erosion.

C) Stray animals help to stop the soil erosion.

D) To prevent the soil erosion, the speed of flowing water is increased.

• A) Garbage is collected in large quantities.

B) Garbage contains materials like plastic and thermocol which do not decompose.

C) Garbage is not separated into wet gargage and dry garbage.

D) All of the above

• A) decomposer

D) fruit

• A) By making compost from them

B) By using them for storing things

C) By melting them to form new products

D) By either of these

B) Poisonous waste

C) Both (a) and (b)

D) Plastic bags.

• A) garbage dump

B) landfill

C) dustbin

D) None of these

• A) make compost from them

B) burn them

C) use them in landfills

D) throw them in a lake/sea river

• A) paper-mache

B) clay

C) paper

D) None of these

• A) To make the look of landfill beautiful.

B) It is compulsory to develop such sites.

C) To utilize some useful components of the garbage.

D) None of these is correct explanation.

• A) It helps the city to be categorized in a better city.

B) These are provided to collect separately the materials those which do not rot into garbage heaps and the wastes that rot completely when buried in soil.

C) These bins are in different colours and attracts us to put the garbage in these dustbins.

D) None of the above is correct.

• A) 1

B) 2

C) 4

D) 8

• A) 1 g

B) 2g

C) Ag

D) 2Ag

•  Column-I Column-II A. Landfill (p) Completely rotten garbage used for plant nutrients B. Manure (q) Low lying areas where garbage of a city is dumped C. Composting (r) The process in which use of organisms is essential D. Vermi composting (s) Converting plants and animal wastes into manure

A) $A\to (p);B\to (q);C\to (r);D\to (s)$

B) $A\to (q);B\to (p);C\to (r);D\to (s)$

C) $A\to (q);B\to (p);C\to (s);D\to (r)$

D) $A\to (p);B\to (q);C\to (s);D\to (r)$

•  Column-I Column-II A. Blue dustbins (p) Plastics, metal and glass B. Green dustbins (q) Wastes that rot completely when buried in soil C. Vermi composting (r) Method of making compost D. Red worms (s) Useful in vermi composting

A) $A\to (p);B\to (q);C\to (r);D\to (s)$

B) $A\to (q);B\to (p);C\to (r);D\to (s)$

C) $A\to (q);B\to (p);C\to (s);D\to (r)$

D) $A\to (p);B\to (q);C\to (s);D\to (r)$

•  Column-I Column-II A. Food for red worms (p) Tea, coffee B. Gizzard (q) Structure used by red worm for grinding their food C. Paper mache (r) Paste made of paper and clay D. Plastics (s) When heated give out harmful gases

A) $A\to (p);B\to (q);C\to (r);D\to (s)$

B) $A\to (q);B\to (p);C\to (r);D\to (s)$

C) $A\to (q);B\to (p);C\to (s);D\to (r)$

D) $A\to (p);B\to (q);C\to (s);D\to (r)$

• A) is any open space where we dump the garbage

B) is any open low lying area where garbage is dumped

C) is an isolated spot away from the residential area that is used for dumping the garbage

D) All of the above are correct

• A) the heap of useful components is spread over the landfill site

B) the heap of non-useful components is spread over the landfill site

C) Both the heaps are spread over the landfill site

D) None of the above is correct

• A) to utilize the available land

B) to utilize some of the useful components of garbage

C) to utilize some of the non-useful components of garbage

D) All of the above are correct

• A) composting

B) decomposing

C) vermi composting

D) All of these are correct

• A) All the material in all the pits rotted completely and there was no smell

B) In some cases there was a partial rotting

C) In some cases there was no change at all

D) All of the above are correct

• A) Fruit and vegetable peels

B) Eggshells

C) Dry leaves

D) All of these

• A) 10cm

B) 30cm

C) 50cm

D) 90cm

• A) with cement and concrete at the bottom of pit

B) with net or chicken mesh at the bottom of pit

C) both the above are correct

D) None of these is correct

• A) Very hot environment

B) Very cold environment

C) Moisture

D) None of the above is correct

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.