MCQ on Materials Around Us Class 6
Class 6 Science Chapter 6 MCQ Materials Around Us
Multiple Choice Questions :
Question 1.
Which one of the following is a natural material?
(a) Cotton
(b) Glass
(c) Plastic
(d) Paper
Answer:
(a) Cotton
Question 2.
Which one of the following is not a man-made material?
(a) Glass
(b) Cement
(c) Steel
(d) Coal
Answer:
(d) Coal
Question 3.
Which of the following is a living object?
(a) Bag
(b) Teeth
(c) Dog
(d) Feather
Answer:
(c) Dog
Question 4.
Neeraj spilled some water on the floor. He cleaned the floor using a mop. Which material is best suited for making the mop? Competency Based Que.
(a) Iron scrubber
(b) Plastic sheet
(c) Cotton cloth
(d) Copper sheet
Answer:
(c) Cotton cloth
Question 5.
Which among the following are commonly used for making a safety pin?
(a) Wood and glass
(b) Leather and plastic
(c) Plastic and glass
(d) Steel and plastic
Answer:
(d) Steel and plastic
Question 6.
Which of the following statements is not true?
(a) Materials are grouped for convenience.
(b) Materials are grouped to study their properties.
(c) Materials are grouped to remember their names.
(d) Materials are grouped according to their uses.
Answer:
(c) Materials are grouped to remember their names.
Question 7.
The picture shows two hollow pipes. One pipe is made up of copper and the other is made up of plastic. Competency Based Que.
Which one of the following will help to identify the pipe made up of copper?
(a) Place the pipes in water and check if they absorb water.
(b) Rub the pipes with sandpaper and check if they appear shiny.
(c) Hold the pipes under a glowing bulb and check if they produce shadows.
(d) Bring the pipes near a magnet and check if they are attracted by the magnet.
Answer:
(b) Rub the pipes with sandpaper and check if they appear shiny.
Question 8.
Which of the following materials is not lustrous?
(a) Diamond
(b) Copper
(c) Wood
(d) Aluminium
Answer:
(c) Wood
Question 9.
Which of the following material is rough?
(a) Glass
(b) Gold
(c) Brick
(d) Steel
Answer:
(c) Brick
Question 10.
The table shows objects sorted into two groups. Competency Based Que.
| Group-1 | Group-2 |
| Wood | Feather |
| Diamond | Sponge |
| Brick | Rubber |
Which property was used to sort the objects in two groups?
(a) Hard/Soft
(b) Transparent/Opaque
(c) Shiny/Dull
(d) Soluble/Insoluble in water
Answer:
(a) Hard/Soft
Question 11.
Arrange the following objects in order from hardest to softest.
1. Rubber ball
2. Cricket ball
3. Stone
4. Cotton ball
The correct order would be
(a) 1,2,3,4
(b) 4,1,2,3
(c) 2,1,3,4
(d) 3,2,1,4
Answer:
(d) 3,2,1,4
Question 12.
Boojho found a bag containing the following materials NCERT Exemplar
(i) Mirror
(ii) Paper stained with oil
(iii) Magnet
(iv) Glass spectacles
Help Boojho in finding out the material(s) which is/are opaque.
(a) (i) only
(b) (i) and (iii)
(c) (iv) only
(d) (ii) and (iv)
Answer:
(b) (i) and (iii)
Question 13.
You are provided with the following materials
(i) Glass bowl
(ii) Mirror
(iii) Cellophane paper
(iv) Cardboard box
Which of the above materials will you identify as transparent?
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) and (iv)
(d) (i), (ii) and (iii)
Answer:
(b) (i) and (iii)
Question 14.
Which type of the following materials is used for making the front glass (wind screen) of a car? NCERT Exemplar
(a) Transparent
(b) Translucent
(c) Opaque
(d) All the above
Answer:
(a) Transparent
Question 15.
While doing an activity in class, the teacher asked Pahell to handover a translucent material. Which among the following materials will Paheli pick and give her teacher? NCERT Exemplar
(a) Glass tumbler
(b) Mirror
(c) Muslin cloth
(d) Aluminium foil
Answer:
(c) Muslin cloth
Question 16.
If three friends are playing hide and seek then where should the friends hide so they do not get caught easily.
(a) Behind a glass door
(b) Behind a frosted glass window
(c) Behind a wooden cabinet
(d) None of the above
Answer:
(c) Behind a wooden cabinet
Question 17.
Glass can be made opaque by
(a) Spreading oil on it
(b) Painting one side of it
(c) Spreading water on it
(d) Pasting a thin sheet of butter paper on one side of it
Answer:
(b) Painting one side of it
Question 18.
You are provided with a cardboard, a piece of glass, ice and a sheet of steel. Which of the following is the correct observation about above materials?
(a) Only ice is opaque
(b) Cardboard is translucent
(c) Only piece of glass is transparent
(d) Ice and piece of glass are transparent
Answer:
(d) Ice and piece of glass are transparent
Question 19.
Pick one material from the following which is completely soluble in water.
(a) Sand
(b) Salt
(c) Chalk powder
(d) Sawdust
Answer:
(b) Salt
Question 20.
Which one of the following is not soluble in water?
(a) Copper sulfate
(b) Salt
(c) Baking soda
(d) Paper
Answer:
(d) Paper
Question 21.
Liquids that mix with each other completely are called
(a) Immiscible
(b) Miscible
(c) Solution
(d) Volatile
Answer:
(b) Miscible
Question 22.
Which of the following is immiscible with water?
(a) Milk
(b) Glycerine
(c) Vinegar
(d) Olive oil
Answer:
(d) Olive oil
Question 23.
Which of the following gas is insoluble in water?
(a) Nitrogen gas
(b) Carbon dioxide gas
(c) Oxygen gas
(d) All of the above
Answer:
(d) All of the above
Question 24.
What is the abbreviation of SI unit of mass?
(a) g
(b) kg
(c) KG
(d) kgs
Answer:
(b) kg
Question 25.
What is the abbreviation of SI unit of volume?
(a) mL
(b) L
(c) m3
(d) cm3
Answer:
(c) m3
Question 26.
Which of the following object is not made up of metal?
(a) Wallet
(b) Heavy machine
(c) Knife
(d) Utensils
Answer:
(a) Wallet
Question 27.
Which one of the following object will not tarnish in water?
(a) Iron piece
(b) Silver ring
(c) Gold ring
(d) Copper wire
Answer:
(c) Gold ring
Question 28.
Pair of objects having same physical property is
(a) iron, bread
(b) honey, sand
(c) gold, silver
(d) wood, cotton ball
Answer:
(c) gold, silver
Question 29.
Pick one material from the following which is completely soluble in water?
(a) Chalk powder
(b) Tea leaves
(c) Glucose
(d) Sawdust
Answer:
(c) Glucose
Question 30.
Which unit can be used to measure mass?
(a) gram
(b) litre
(c) km
(d) cm
Answer:
(a) gram
Fill in the Blanks :
1. Materials which cannot be compressed are called __________ materials.
Answer:
Hard
2. __________ materials do not disappear in water.
Answer:
Insoluble
3. The materials through which we cannot see clearly are called __________ materials.
Answer:
Translucent
4. __________ objects can be classified into plants and animals.
Answer:
Living
5. Anything that occupies space and has a mass is called __________
Answer:
Matter
6. Materials through which we are not able to see are called _________ materials.
Answer:
Opaque
7. Animals live under water, It is because __________ gas dissolves in it.
Answer:
Oxygen
8. Vinegar is __________ with water.
Answer:
Miscible
True/False :
1. Diamond is known as the hardest natural material.
Answer:
True
2. Mustard oil is soluble in water
Answer:
False, mustard oil is insoluble in water.
3. Carbon dioxide is inşoluble in water
Answer:
False, carbon dioxide is soluble in water.
4. Mirror is opaque.
Answer:
True
5. Air is an example of matter.
Answer:
True
6. Every object that shines is made up of metal.
Answer:
False
7. Hard materials are easily compressible.
Answer:
False
8. Butter paper is a transparent material.
Answer:
False
Match the Columns :
1. Match the column I with column II.
| Column I | Column II |
| 1. Water | (a) Soft |
| 2. Sugar | (b) Soluble in water |
| 3. Sand | (c) Transparent |
| 4. Sponge | (d) Insoluble in water |
| 5. Rock | (e) Hard |
Answer:
| Column I | Column II |
| 1. Water | (c) Transparent |
| 2. Sugar | (b) Soluble in water |
| 3. Sand | (d) Insoluble in water |
| 4. Sponge | (a) Soft |
| 5. Rock | (e) Hard |
2. Match the Column I with Column II.
| Column I | Column II |
| A. Carbon dioxide gas | 1. Lustrous |
| B. Nitrogen gas | 2. Soluble in water |
| C. Gold | 3. Non-lustrous |
| D. Newspaper | 4. Insoluble in water |
Answer:
| Column I | Column II |
| A. Carbon dioxide gas | 2. Soluble in water |
| B. Nitrogen gas | 4. Insoluble in water |
| C. Gold | 1. Lustrous |
| D. Newspaper | 3. Non-lustrous |
Assertion-Reason :
Direction The following questions consist of two statements. Assertion (A) and reason (R). Answer these questions selecting the appropriate option given below.
(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 the R is false.
(d) A is false but the R is true.
1. Assertion (A) Materials are grouped for convenience.
Reason (R) Materials can be grouped on the basis of their names.
Answer:
(c) A is true but R is false. R can be corrected as materials are grouped on the basis of their properties and not names.
2. Assertion (A) Frying pan is translucent.
Reason (R) Translucent objects allow some light to pass through them.
Answer:
(d) A is false but R is true. A can be corrected as frying pan is opaque.
3. Assertion (A) Animals can live under water.
Reason (R) Oxygen dissolves in water.
Answer:
(a) Both A and R are true and R is the correct explanation of A.
4. Assertion (A) Air is a material.
Reason (R) Air occupies space and also has volume.
Answer:
(a) Both A and R are true and R is the correct explanation of A.
2. Direction The following questions consists of two statements, Assertion (A) and Reason (R).
Answer these questions by selecting the appropriate option given below.
(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
1. Assertion (A) Cardboard is an opaque material.
Reason (R) Objects cannot be seen through cardboard.
Answer:
(a) Both A and R are true and R is the correct explanation of A
2. Assertion (A) Aluminium foil is transparent.
Reason (R) We cannot see things through an aluminium foil.
Answer:
(d) A is false, but R is true
Case Based Questions :
1. Read the given passage and answer the following questions.
Aqeel poured liquid 1 and liquid 2, each to a jar of water. Competency Based Que.
He stirred the mixture in each jar with a spoon.
He allowed the mixtures to rest for 10 mins.
Question i.
Which of the liquid is soluble in water?
(a) Liquid 1
(b) Liquid 2
(c) Both liquid 1 and 2
(d) None of the above
Answer:
(a) Liquid 1
Question ii.
Will liquid 1 and liquid 2 be miscible with each other?
Answer:
No
2. Read the given passage and answer the following questions.
Kavita bought new silver anklets. After a month, she found that the anklets had lost their lustre and turned black. She had doubts that they were not made up of pure silver. But her mother told her to wash it with lemon juice. She washed her silver anklets and found that the silver anklets had got the lustre back.
Question i.
Do you think that the anklets are not made up of pure silver?
Answer:
No, the anklets were made up of pure silver.
Question ii.
Why silver anklets lost their lustre after some time?
Answer:
Silver anklets lose their lustre and appear dull, because of the action of air and moisture on them.
3. Read the given passage and answer the following questions.
Rohan and his friends planned to play cricket match on Sunday morning. But, by chance on Saturday, Rohan got high fever. Due to high fever, his parents did not allow him to play cricket. So, Rohan was very upset. But his father suggested him that he can see the cricket match that his friends were playing in the park through a glass window, although the window will be closed.
Question i.
How Rohan was able to see the cricket match, although the window was closed?
Answer:
Rohan was able to see the cricket match through glass window panes which were transparent.
Question ii.
Write different types of materials based on their transparency.
Answer:
On the basis of transparency different types of materials are
(a) Transparent materials like glass, water, air.
(b) Opaque materials like wood, cardboard, metal container.
(c) Translucent materials like oil paper, butter
4. Read the given passage and answer the following questions.
Namita has three boxes with the same thickness. She places a burning candle inside each box. The images
show how Namita was able to view the candle through each box. Competency Based Ques.
Question i.
Which box is made of an opaque material?
Answer:
Box 3 is made up of an opaque material as the candle is not visible.
Question ii.
Namita replaces box 1 with a thicker box made of the same material and repeats the activity.
Will there be any change in the results of the activity? Explain your answer.
Answer:
With increase in thickness, the candle will not be clearly visible.