NCERT Class 6 Science Chapter 4 Sorting Materials into Groups MCQ

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1. Materials that cannot be compressed easily are called __________materials.

A. Soft

B. Rough

C. Scaly

D. Hard

2. Choose the opaque object from the following:

A. Charcoalcorrect

B. Air

C. Glass

D. Water

3. What makes the basis of sorting materials into groups?

A. Similarities in their properties

B. Differences in their properties

C. Both similarities and differences in their properties

D. All of these

4. Chocolates, biscuits and other items are displayed in a shop in see‐through containers that are made of glass or plastic. This explains the property of ____ of glass and plastic.

A. Hardness

B. Opaqueness

C. Softness

D. transparency

5. Which of the following gets reddish brown in colour on exposure to air?

A. Gold

B. Silver

C. Iron

D. Aluminium

6. Hardest known natural substance is

A. Mercury

B. Wood

C. Gold

D. Diamond

7. An oiled paper acts as a ____ material.

A. Transparent

B. Translucent

C. Lustrous

D. opaque

8. Which gas is responsible for fizz in soft drinks?

A. Oxygen

B. Hydrogen

C. Nitrogen

D. Carbon dioxide

9. materials can be used for made up more than one things,

A. Same

B. Different

C. Shiny

D. None of these

10. Which of the following is transparent?

A. Milk

B. Iron

C. Glass

D. Wood

11. Which Of The Following Statements Is Incorrect?

A. Dividing materials into groups make it convenient to study their properties

B. Materials are grouped together on the basis of only similarities

C. Different types of materials have different properties

D. Objects around us made up of a variety of materials

12. Which one will show a metallic lustre?

A. Any surface of a metal

B. Freshly cut surface of a metal

C. Freshly cut surface of non-metal

D. Surfaces of all materials

13. You have made four cups of instant coffee. One has one teaspoon of coffee, the second has two, the third has three, and last four teaspoons of coffee. Which is the most saturated?

A. The first cup with one teaspoon of coffee.

B. The second cup with two teaspoons of coffee.

C. The third cup with three teaspoons of coffee.

D. The fourth cup with four teaspoons of coffee.

14. Which of the following floats on water?

A. Wax

B. Marble

C. Coin

D. Eraser

15. Chair, table and plough are made up of

A. Plastic

B. Iron

C. Wood

D. Paper

16. Take two samples, one of oil and the other of water. Mix the two. You observe that

A. They are soluble

B. Oil floats on water

C. Water floats on oil

D. None of the above

17. Which of the following is soft?

A. Iron

B. Wood

C. Cotton

D. Stone

18. How do we choose a material to make an object ?

A. depending on its properties

B. depending one its colours

C. depending on its shape

D. none of these

19. Take a glass of water. Add two spoons of sugar. Stir it. You observe that

A. Sugar does not dissolve in water

B. Sugar dissolves in water

C. ugar floats on water

D. Sugar sinks and stays below.

20. What makes the basis of sorting materials into groups?

A. Similarities in their properties

B. Differences in their properties

C. Both similarities and differences in their properties

D. All of these

21. An oily thin paper sheet will be

A. transparent

B. translucent

C. opaque

D. cannot be predicted

22. Water plays an important role in the functioning of our body because it ______

A. Dissolves a large number of substances

B. Is hard

C. Is transparent

D. None of the above.

23. Wood Is Used As A Fuel. Which Property Makes It Suitable For This Purpose

A. Combustibility

B. Density

C. Viscosity

D. Immiscibility

24. Which among the following pair is commonly used for making safety pin?

A. Wood and glass

B. Steel and plastic

C. Leather and plastic

D. Plastic and glass

25. We group things together because________

A. Dividing materials in groups makes it convenient to study their properties and observe patterns in these properties.

B. We can throw away similar materials

C. We can keep similar materials in our rack at one place

D. We can keep similar materials on the palm