We have compiled the NCERT MCQ Questions for Class 6 Science Chapter 16 Garbage In Garbage Out with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 6 Science with Answers on a daily basis and score well in exams. Refer to the Garbage In Garbage Out Class 6 MCQs Questions with Answers here along with a detailed explanation.
Garbage In Garbage Out Class 6 MCQs Questions with Answers
Choose the correct option.
Question 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
Answer
Answer: (b) low-lying open area
Question 2.
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
Answer
Answer: (b) Vegetable and fruit peels, tea leaves, egg shells
Question 3.
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
Answer
Answer: (d) All of these
Question 4.
Which one of the following is not a method of garbage disposal?
(a) Landfill
(b) Vermicomposting
(c) Cycling
(d) Composting
Answer
Answer: (c) Cycling
Question 5.
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
Answer
Answer: (d) rot completely and not smell
Question 6.
Which one of the following is used for making vermicomposts?
(a) House flies
(b) Cockroaches
(c) Butterfly
(d) Redworms
Answer
Answer: (d) Redworms
Question 7.
Which of the following can be recycled?
(a) Stone
(b) Cloth
(c) Paper
(d) Grass
Answer
Answer: (c) Paper
Question 8.
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
Answer
Answer: (c) used in making compost
Question 9.
A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit, and recycling unit respectively.
(i) plastic bag
(ii) newspaper and journals
(iii) screw and nuts
(iv) vegetable peels
(v) metal chips
(vi) egg shells
Which item were transferred to which bin?
Answer
Answer:
(c) Red – i, ii, v
Green – iv and vi
Blue – ii only
Question 10.
Garbage from cities are dumped at
(a) riversides
(b) inside ponds and lakes
(c) landfill areas
(d) sewage pit
Answer
Answer: (c) landfill areas
Question 11.
The colour of dustbins in which biodegradable garbage is collected is
(a) orange
(b) red
(c) green
(d) blue
Answer
Answer: (c) green
Question 12.
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
Answer
Answer: (b) blue
Question 13.
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
Answer
Answer: (b) convert into compost
Question 14.
Which of the following wastes cannot be added in the process of making vermicompost?
(a) Cardboard
(b) Cowdung
(c) Newspaper
(d) Pickles
Answer
Answer: (d) Pickles
Question 15.
The liquid waste generated due to domestic activities is known as
(a) sewage
(b) compost
(c) fertiliser
(d) smoke
Answer
Answer: (a) sewage
Question 16.
Which of the following can be recycled?
(a) Leather shoes
(b) Animal waste
(c) Waste paper
(d) Kitchen waste
Answer
Answer: (c) Waste paper
Question 17.
Which of the following wastes can be recycled?
(a) Plastic
(b) Onion Peel
(c) Eggshell
(d) Banana peel
Answer
Answer: (a) Plastic
Question 18.
Dried leaves and plant wastes are best disposed-off by
(a) burning
(b) composting
(c) using as fuel
(d) throwing in ponds
Answer
Answer: (b) composting
Question 19.
Which of the following is used for vermicomposting?
(a) Redworms
(b) Earthworms
(c) Blue worms
(d) Tapeworms
Answer
Answer: (a) Redworms
Question 20.
The colour of dustbins in which biodegradable garbage is collected is
(a) black
(b) green
(c) yellow
(d) blue
Answer
Answer: (b) green
Question 21.
By recycling used paper we can save
(a) metals
(b) paper
(c) trees
(d) glass
Answer
Answer: (c) trees
Question 22.
Landfill are is/an
(a) open area
(b) high lying open area
(c) open area near a river/lake
(d) low lying open area
Answer
Answer: (d) low lying open area
Question 23.
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
Answer
Answer: (c) used in making compost
Question 24.
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
Answer
Answer: (c) Egg shells, vegetable and fruit peels and tea leaves
Question 25.
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
Answer
Answer: (a) rots completely and does not smell
Fill in the Blanks
Question 1.
………………. is a low lying area where garbage from the cities are dumped.
Answer
Answer: Landfill
Question 2.
We can get best out of waste by ………………. and ……………….
Answer
Answer: Composting, recycling
Question 3.
The part of garbage which does not rot in nature is called ……………….
Answer
Answer: non-biodegradable
Question 4.
………………. is used in making vermicompost.
Answer
Answer: Redworm
Question 5.
The process of converting kitchen and animal wastes into manure is called ……………….
Answer
Answer: composting
Question 6.
Burning of leaves produce ……………….
Answer
Answer: harmful gases
Question 7.
Two kinds of dustbins provided by municipal corporations are ………………. and ……………….
Answer
Answer: blue, green
Question 8.
Redworms or earthworms do not have ……………….
Answer
Answer: teeth
Question 9.
Vermicomposting is done in a ………………. and ………………. atmosphere.
Answer
Answer: moist, warm
Question 10.
Redworms have a structure called ………………. which helps them in grinding the food.
Answer
Answer: gizzard
Question 11.
Safai karamcharis take the ………………. from the bins.
Answer
Answer: garbage
Question 12.
Biodegradable wastes could be converted into useful ……………….
Answer
Answer: Compost
Question 13.
Drains get choked due to ………………. thrown by us.
Answer
Answer: plastic
Question 14.
………………. do not survive in very hot or very cold surroundings.
Answer
Answer: Redworms
Question 15.
Biodegradable waste materials are also known as ………………. waste.
Answer
Answer: green
Question 16.
………………. do not have teeth.
Answer
Answer: Redworms
Question 17.
Plastics have become an integral part of our ……………….
Answer
Answer: life
Question 18.
Consuming food packed in ………………. bags could be harmful to our health.
Answer
Answer: Plastic
Question 19.
The compost made by using red worms is called ……………….
Answer
Answer: vermicompost
Question 20.
Burning of leaves produce charmful ……………….
Answer
Answer: gases
True or False
Question 1.
Paper can be recycled to get useful products.
Answer
Answer: True
Question 2.
Garbage is harmful to us.
Answer
Answer: True
Question 3.
Earthworms are called farmer’s friends.
Answer
Answer: True
Question 4.
We should burn plastic bags and other plastic items.
Answer
Answer: False
Question 5.
Structure that helps redworms in grinding their food is called gizzard.
Answer
Answer: True
Question 6.
It is easy to recycle shiny or plastic coated paper.
Answer
Answer: False
Question 7.
Materials that can be recycled are collected in blue bins.
Answer
Answer: True
Question 8.
Worms prefer to survive in a dark environment.
Answer
Answer: True
Question 9.
The components of garbage which do not rot can be recycled.
Answer
Answer: True
Question 10.
All components of garbage cannot be converted into compost.
Answer
Answer: True
Question 11.
The packaging material of flour, biscuits and milk go out as garbage.
Answer
Answer: True
Question 12.
We generate a lot of garbage in our day-to-day activities.
Answer
Answer: True
Question 13.
Garbage contains only non-useful components.
Answer
Answer: False
Question 14.
Polythene bags are useful components of garbage.
Answer
Answer: False
Question 15.
Garbage heaps of dried leaves should not be burnt.
Answer
Answer: True
Question 16.
We should not recycle aluminium products.
Answer
Answer: False
Question 17.
Many wastes are non-biodegradable.
Answer
Answer: True
Question 18.
We should try to minimise the use of the non-biodegradable substances.
Answer
Answer: True
Question 19.
Plastics are biodegradable materials.
Answer
Answer: False
Question 20.
Wood and cow dung are biodegradable wastes.
Answer
Answer: True
Match the following
| Column I | Column II |
| 1. Landfill | (a) Compost prepared with the help of redworm. |
| 2. Manures | (b) Low-lying area used to throw garbage. |
| 3. Vermicompost | (c) Product of rotten garbage. |
| 4. Gizzard | (d) A non-biodegradable material. |
| 5. Plastic | (e) Structure that helps redworm in grinding their food. |
| 6. Recycling | (f) Increases microorganisms in a compost pit. |
| 7. Meat | (g) Are called farmer’s friend. |
| 8. Earthworms | (h) Making useful things from wastes. |
| 9. Kitchen waste | (i) Process of decomposition of waste by microorganisms. |
| 10. Composting | (j) Can be used for producing compost. |
Answer
Answer:
| Column I | Column II |
| 1. Landfill | (b) Low-lying area used to throw garbage. |
| 2. Manures | (c) Product of rotten garbage. |
| 3. Vermicompost | (a) Compost prepared with the help of redworm. |
| 4. Gizzard | (e) Structure that helps redworm in grinding their food. |
| 5. Plastic | (d) A non-biodegradable material. |
| 6. Recycling | (h) Making useful things from wastes. |
| 7. Meat | (f) Increases microorganisms in a compost pit. |
| 8. Earthworms | (g) Are called farmer’s friend. |
| 9. Kitchen waste | (j) Can be used for producing compost. |
| 10. Composting | (i) Process of decomposition of waste by microorganisms. |
| Column A | Column B |
| 1. Low lying open area | (a) Paper mache |
| 2. Product of rotten garbage | (b) Landfill |
| 3. Increase micro-organisms in a compost pit | (c) Manure |
| 4. Compost prepared with the help of red worms | (d) Meat |
| 5. A paste made of clay and paper | (e) Vermicompost |
Answer
Answer:
| Column A | Column B |
| 1. Low lying open area | (b) Landfill |
| 2. Product of rotten garbage | (c) Manure |
| 3. Increase micro-organisms in a compost pit | (d) Meat |
| 4. Compost prepared with the help of red worms | (e) Vermicompost |
| 5. A paste made of clay and paper | (a) Paper mache |
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