Class 6 Science Chapter 16 MCQ

Class 6 Science Chapter 16 MCQ (Multiple Choice Questions) of Garbage In, Garbage Out. All the important terms are covered through multiple choice objective test format free to use for academic session 2021-2022.

Question are taken from the NCERT Books issued for academic session 2021-2022. Practice here with these MCQs and prepared for school tests and periodic exams.

Class 6 Science Chapter 16 MCQ Online Test for 2021-2022

Class: 6Science
Chapter: 16Garbage in, Garbage Out
Contents: MCQ Online Tests with Answers

Class 6 Science Chapter 16 MCQ Test with Explanation

Q1

Which of the following statement is or are correct?

[A]. The process of making new products from used and discarded substance called recycling.
[B]. The method of preparing compost with the help of red worms called vermicomposting.
[C]. The process of breakdown of organic matter by decomposers to be recycled as a fertilizer called composting.
[D]. All the above.
Q2

Read the following sentences carefully, and choose the incorrect one(s):

[A]. Compost provides better and natural nutrients to the growing plants.
[B]. Chemical fertilizers do not get decomposed easily by natural methods thus increase soil and water pollution.
[C]. Many animals such as cow, swallow plastic bags filled with garbage and they can die due to this.
[D]. Chemical fertilizers are the best then natural compost.
Q3

Riya is writing some statements, choose the incorrect statement and help her:

[A]. Vermicomposting is not different from traditional composting.
[B]. Red worms eat the rotting or decaying garbage of the pit as food.
[C]. For eating food, banana leaf is a better choice than plastic plate.
[D]. None of the above.
Q4

The steps required for conversion of kitchen garbage into manure are given below in a jumbled. Which of the following shows the correct sequence of the above steps?

[A]. Cover the bottom of the pit with sand, Put garbage in a pit, Add worms, Cover the pit loosely with a gunny bag or grass.
[B]. Put garbage in a pit, Cover the bottom of the pit with sand, Cover the pit loosely with a gunny bag or grass, Add worms.
[C]. Cover the bottom of the pit with sand, Add worms, Put garbage in a pit, Cover the pit loosely with a gunny bag or grass.
[D]. Add worms, Put garbage in a pit, Cover the bottom of the pit with sand, Cover the pit loosely with a gunny bag or grass.
Q5

Manoj is doing his homework which is given by his teacher. Would you help him to choose the correct sentences?

[A]. We cannot recycle everything present in the household garbage.
[B]. Landfill is a low-lying area of ground where the garbage collected from a city is dumped.
[C]. The non-useful garbage is burned at high temperature is a special kind of furnace called incinerator.
[D]. All the above




Q6

Rahul is writing something about the activities which reduce the generation of garbage. Choose the incorrect one(s):

[A]. We should not throw plastic bags here and there after use.
[B]. We should dispose of our kitchen garbage by vermicomposting to obtain high quality manure for our plants.
[C]. We should make full use of paper in our notebook etc., by writing on its both sides.
[D]. We should throw old clothes and books after use.
Q7

Kajol is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Kajol wants to take help from you:

[A]. We should use cloth bags, jute bags and paper bags for shopping instead of plastic bags.
[B]. We should use cloth handkerchief instead of paper tissues to save paper and reduce the generation of garbage.
[C]. Used newspaper, magazine and notebooks etc. should be sent for recycling.
[D]. All the above
Q8

Which of the following materials can be recycled?

[A]. Glass and paper
[B]. Paper and stone
[C]. Stone and wood
[D]. Glass and wood
Q9

Which of the following cannot be recycled?

[A]. Book
[B]. Wooden stool
[C]. Mirror
[D]. Tin can
Q10

After recycling news-paper can be made into:

[A]. Bricks
[B]. Wooden plank
[C]. Cardboard
[D]. Cloth



Q11

We should keep reuse (garbage) in plastic bags for disposal. This is to:

[A]. Avoid unpleasant smell and prevent the mosquito from laying eggs.
[B]. Avoid unpleasant smell and make the refuse collector’s job easier.
[C]. Make the refuse collector’s job easier and prevent the refuse collectors from breaking the bins
[D]. Avoid unpleasant smell and prevent the refuse collectors from breaking the bins.
Q12

The structure present in red worms which helps them in grinding the food which they eat is known as:

[A]. Blizzard
[B]. Lizard
[C]. Gizzard
[D]. Trigger
Q13

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. The very poor-quality compost made by red worms is called vermicompost.
[B]. The method of making compost from kitchen waste by using red worms is called vermi-composting.
[C]. Burning of dry leaves and other agricultural waste produces smoke and harmful gases which can damage our health.
[D]. None of the above
Q14

In a science quiz competition, Payal are asked a question where she had to choose the statement which was/were correct?

[A]. Compost is a natural fertilizer.
[B]. The rotted plant and animal waste used as manure for growing plant is called compost.
[C]. The process of converting plant and animal waste material into manure by rotting process is called composting.
[D]. All the above
Q15

What is the color of the dustbin used for collecting the non-biodegradable garbage?

[A]. Yellow
[B]. Green
[C]. Blue
[D]. Black




Q16

Which of the following statement is or are correct?

[A]. Disposal of garbage means to get spread of garbage.
[B]. The green dustbin is for collecting waste material such as plastic, glass objects and metal articles which can be recycled and used again.
[C]. The blue dustbin is for collecting kitchen wastes and other plant and animal waste.
[D]. None of the above
Q17

The component of garbage which cannot rot when buried in ground is:

[A]. Paper bag
[B]. Polythene bag
[C]. Jute bag
[D]. Cotton cloth bag
Q18

Consider the following statements and choose the incorrect one:

[A]. Getting rid of non-biodegradable part of garbage is a problem.
[B]. The garbage such as plastic bags, glass bottles and metal articles do not rot or decay when buried in soil.
[C]. The burning of plastic waste material gives out extremely harmful gases which can cause many health problems.
[D]. None of the above
Q19

Which one of the following is not a method of disposal of garbage?

[A]. Composting
[B]. Vermicomposting
[C]. Cycling
[D]. Landfill
Q20

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Those things present in garbage which can be converted into useful products are called useful components.
[B]. From the garbage dump, garbage is loaded into trucks and disposed of in a number of ways depending on the nature of garbage.
[C]. The garbage collected in dustbins in our homes, shops, offices and schools is taken away by sanitary staff.
[D]. All the garbage which is not derived from the plants or animals sources is called biodegradable waste.



Q21

The process in which non useful garbage is burnt at high temperature to reduce its volume is called:

[A]. Respiration
[B]. Incarnation
[C]. Incineration
[D]. Insemination
Q22

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. Used paper, some plastics, glass and metal articles which can be recycled or reused.
[B]. Fruit and vegetable peels, left-over cooked food and fallen leaves etc. which can be converted into compost.
[C]. Those things present in garbage which can neither be used in any way nor recycle are called useless components.
[D]. All the above
Q23

In a science quiz competition, Aayushi is asked a question where she had to choose the statement which was/were correct?

[A]. Every time we throw away something, we are producing garbage.
[B]. Old and useless metal objects, discarded shoes and slippers are also thrown away as garbage.
[C]. The waste papers also generate garbage.
[D]. All the above
Q24

One of the following is not biodegradable. This one is:

[A]. Leather belt
[B]. Cow dung cakes
[C]. Thin gold foil
[D]. Cardboard sheet
Q25

Rakhi is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. Waste material or rubbish especially household wastes are called garbage.
[B]. The peels of fruits and vegetables, left-over cooked food and fallen leaves of potted plants are thrown away as garbage.
[C]. All the packing materials are useless and go out as garbage.
[D]. It is not necessary to remove garbage from our homes and surroundings regularly.

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