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Monday, July 31, 2023

Class VI History Chapter 1: INTRODUCTION: WHAT, WHERE, HOW AND WHEN?

1. What were people along the banks of the Narmada skilled at? 

a) Growing crops 

b) Hunting animals 

c) Building houses 

d) Making pottery


2. What is the name given to the remains of buildings, paintings, and sculptures studied by archaeologists? 

a) Manuscripts 

b) Inscriptions 

c) Sources 

d) Artifacts


3. Why is finding plant remains difficult for archaeologists? 

a) Seeds of grain and wood don't survive well over time 

b) People in the past didn't use plants for various purposes 

c) Plants were considered sacred and not used for archaeological studies 

d) Archaeologists were not interested in studying plant remains


4. The word "BC" in historical dates stands for: 

a) Before Current 

b) Before Civilisation 

c) Before Christ 

d) Before Centuries


5. What are historians and archaeologists often compared to ? 

a) Detectives 

b) Scientists 

c) Kings and queens 

d) Writers


8. Which region is NOT mentioned as an area where agriculture developed in ancient times? 

a) Northwest hills 

b) Northeast hills 

c) South of Ganga 

d) North of Vindhyas


9. Which language was used by ordinary people and found in some manuscripts? a) Prakrit b) Sanskrit c) Tamil d) Persian

10. Why do people travel nowadays, according to the passage? a) To find new places for settlements b) To escape natural disasters c) To conquer others' lands d) To enrich cultural traditions

1. What are some ways to find out about the past, according to the passage? a) Ask someone who lived in the past b) Read historical manuscripts and inscriptions c) Listen to stories passed down through generations d) Use modern technologies to travel back in time

2. Where have people lived for several hundred thousand years, as mentioned in the passage? a) Along the banks of the Ganges River b) In the Sulaiman and Kirthar hills c) Near the Vindhyas in central India d) Along the banks of the Narmada River

3. What types of areas were among the first to develop agriculture about 8000 years ago? a) Coastal regions near the sea b) High mountains and deserts c) The Garo hills and Vindhyas d) Banks of the Ganga River

4. In ancient times, what was the area to the south of the Ganga River known as? a) Magadha b) Garo hills c) Vindhyas d) Bharata

5. What do historians and archaeologists use as clues to learn about the past? a) Manuscripts, inscriptions, and archaeology b) Songs and plays performed in ancient times c) Oral traditions passed down through generations d) The remains of modern buildings and sculptures

6. How did people travel in ancient times from one part of the subcontinent to another? a) By using modern transportation like trains and planes b) By walking or using animals as means of transport c) By building roads and highways connecting regions d) By sailing across the seas and oceans

7. What do the words "India" and "Bharat" represent in the passage? a) Ancient names for different kingdoms b) Modern cities located in the northwest c) Words for the subcontinent used by foreigners d) Names used for the country in different time periods

8. What kinds of substances usually survive for a long time and are studied by archaeologists? a) Wood and fabrics b) Stone and metal c) Paper and parchment d) Food remains and plants

9. What is the term used by historians for the information found from manuscripts, inscriptions, and archaeology? a) Data b) Sources c) Artifacts d) Literature

10. Why is the title of the book "Our Pasts" used in the plural form? a) It covers multiple subjects related to history b) It emphasizes the diversity of historical periods c) It indicates the book's focus on ancient civilizations d) It represents the author's perspective on history

:

1. What can we learn about the past from historical manuscripts and inscriptions? a) The types of clothes people wore b) The names of ancient kings and queens c) The dates and events of ancient battles d) The games children played in ancient times

2. Which river has been home to human settlements for several hundred thousand years? a) River Ganga b) River Indus c) River Narmada d) River Son

3. Where did some of the earliest cities flourish about 4700 years ago? a) Along the banks of the Ganges River b) Along the banks of the Indus River c) In the Sulaiman and Kirthar hills d) Near the Garo hills

4. What were the names of the hills to the north-east and central India where agriculture developed? a) Garo and Vindhyas hills b) Sulaiman and Kirthar hills c) Vindhyas and Garo hills d) Kirthar and Vindhyas hills

5. Why did men and women travel across the subcontinent in ancient times? a) To conquer others' lands b) To escape natural disasters c) To carry valuable goods for trade d) To offer religious instruction and advice

6. How did the movements of people across frontiers enrich cultural traditions? a) By introducing new ways of cooking food b) By spreading modern technologies c) By exchanging music and art forms d) By building cities and monuments

7. What do the words "Hindos" and "Indos" refer to in the passage? a) Ancient names for the Indus River b) Ancient kings of the northwest c) Ancient people living near the Ganges d) Ancient civilizations in Iran and Greece

8. What were some of the things that were made and used in the past, studied by archaeologists? a) Modern-day artifacts and sculptures b) Pottery, metal objects, and tools c) Paintings and literature from the past d) Food items and perishable goods

9. Which substances are more likely to survive for a long time and be studied by archaeologists? a) Cloth and wood b) Stone and metal c) Parchment and paper d) Leather and bone

10. What is the role of historians and archaeologists in learning about the past? a) To travel back in time and experience the past b) To use modern technologies to uncover ancient secrets c) To piece together information from various sources d) To rely solely on written records and manuscripts

11. Which region was known as Magadha in ancient times and was ruled by powerful leaders? a) Central India b) Garo hills c) Bihar d) Vindhyas

12. What do dates BC refer to in historical chronology? a) Dates before Christ's birth b) Dates before the Common Era c) Dates before Civilization d) Dates before Current time

13. Why did people travel across frontiers in ancient times, according to the passage? a) To establish new trade routes b) To explore new territories c) To escape from floods and droughts d) To enrich cultural traditions

14. How did people preserve manuscripts in ancient times? a) By engraving on stone tablets b) By writing on palm leaves and birch bark c) By inscribing on metal surfaces d) By using modern printing technology

15. Which rivers were important centers for early human settlements and the development of agriculture? a) Ganges and Yamuna b) Indus and Brahmaputra c) Narmada and Son d) Ganga and Vindhyas

16. What is the significance of the names "India" and "Bharat" mentioned in the passage? a) They represent different ancient kingdoms b) They indicate two different time periods c) They show the diversity of languages in India d) They reflect the history of naming the country

17. Why is the study of archaeology important in understanding the past? a) It reveals historical events through ancient texts b) It provides evidence of early human activities c) It records oral traditions and stories d) It uncovers artifacts from recent history

18. How did people travel long distances in ancient times? a) By using airplanes and cars b) By walking or using animals as transport c) By sailing across the oceans d) By using teleportation devices

19. Why is the past described as having "many" pasts in the passage? a) Because there are many ways to interpret history b) Because there were many different civilizations c) Because the past was different for different groups of people d) Because there were many different historical events

20. What role do historians and archaeologists play in understanding the past? a) They provide direct experiences of historical events b) They piece together clues from various sources c) They rewrite history based on their perspectives d) They create fictional stories about the past

:

1. What can we learn about the past from historical manuscripts and inscriptions? a) The types of clothes people wore b) The names of ancient kings and queens c) The dates and events of ancient battles d) The games children played in ancient times

2. Which river has been home to human settlements for several hundred thousand years? a) River Ganga b) River Indus c) River Narmada d) River Son

3. Where did some of the earliest cities flourish about 4700 years ago? a) Along the banks of the Ganges River b) Along the banks of the Indus River c) In the Sulaiman and Kirthar hills d) Near the Garo hills

4. What were the names of the hills to the north-east and central India where agriculture developed? a) Garo and Vindhyas hills b) Sulaiman and Kirthar hills c) Vindhyas and Garo hills d) Kirthar and Vindhyas hills

5. Why did men and women travel across the subcontinent in ancient times? a) To conquer others' lands b) To escape natural disasters c) To carry valuable goods for trade d) To offer religious instruction and advice

6. How did the movements of people across frontiers enrich cultural traditions? a) By introducing new ways of cooking food b) By spreading modern technologies c) By exchanging music and art forms d) By building cities and monuments

7. What do the words "Hindos" and "Indos" refer to in the passage? a) Ancient names for the Indus River b) Ancient kings of the northwest c) Ancient people living near the Ganges d) Ancient civilizations in Iran and Greece

8. What were some of the things that were made and used in the past, studied by archaeologists? a) Modern-day artifacts and sculptures b) Pottery, metal objects, and tools c) Paintings and literature from the past d) Food items and perishable goods

9. Which substances are more likely to survive for a long time and be studied by archaeologists? a) Cloth and wood b) Stone and metal c) Parchment and paper d) Leather and bone

10. What is the role of historians and archaeologists in learning about the past? a) To travel back in time and experience the past b) To use modern technologies to uncover ancient secrets c) To piece together information from various sources d) To rely solely on written records and manuscripts

11. Which region was known as Magadha in ancient times and was ruled by powerful leaders? a) Central India b) Garo hills c) Bihar d) Vindhyas

12. What do dates BC refer to in historical chronology? a) Dates before Christ's birth b) Dates before the Common Era c) Dates before Civilization d) Dates before Current time

13. Why did people travel across frontiers in ancient times, according to the passage? a) To establish new trade routes b) To explore new territories c) To escape from floods and droughts d) To enrich cultural traditions

14. How did people preserve manuscripts in ancient times? a) By engraving on stone tablets b) By writing on palm leaves and birch bark c) By inscribing on metal surfaces d) By using modern printing technology

15. Which rivers were important centers for early human settlements and the development of agriculture? a) Ganges and Yamuna b) Indus and Brahmaputra c) Narmada and Son d) Ganga and Vindhyas

16. What is the significance of the names "India" and "Bharat" mentioned in the passage? a) They represent different ancient kingdoms b) They indicate two different time periods c) They show the diversity of languages in India d) They reflect the history of naming the country

17. Why is the study of archaeology important in understanding the past? a) It reveals historical events through ancient texts b) It provides evidence of early human activities c) It records oral traditions and stories d) It uncovers artifacts from recent history

18. How did people travel long distances in ancient times? a) By using airplanes and cars b) By walking or using animals as transport c) By sailing across the oceans d) By using teleportation devices

19. Why is the past described as having "many" pasts in the passage? a) Because there are many ways to study history b) Because different groups of people had different experiences c) Because history is constantly changing and evolving d) Because there are multiple dimensions to the past

20. What is the role of religious teachers in ancient societies? a) To act as rulers and kings b) To walk from village to village, offering instruction and advice c) To perform religious rituals and ceremonies d) To trade valuable goods with other communities


Sunday, July 23, 2023

Class VI Mathematics Chapter 6: Integers

Example 1. Find the value of - ( - 857 ).

Answer: 857

Example 2. Find the value of + ( - 543 ).

Answer: - 543

Example 3. Find the value of - ( 123 ).

Answer: - 123

Example 4. Find the value of + ( 11 ).

Answer: 11

Q. Find the value of: [Mark: 1/2 each ]

Example 5. Find the value of - 45 - 65.

Answer: - 110

Q. Find the value of: [Mark: 1 each ]

Example 6. Find the value of - 62 - 47 - 12.

Answer: - 121

Q. Find the value of: [Mark: 1 each ]

Example 7. Find the value of - 43 + 25.

Answer: - 18

Q. Find the value of: [Mark: 1 each ]

Example 8. Find the value of - 25 + 43 + 17 - 18 - 7 + 4.

Answer:

- 25 + 43 + 17 - 18 - 7 + 4

= 43 + 17 + 4 - 25 - 18 -7

= 64 - 50

= 14

Q. Find the value of: [Mark: 2 each ]

Q. Fill in the blanks: [Mark: 1 each ]

Wednesday, July 19, 2023

Class VI Science Chapter 3: Separation of Substances

Multiple-choice questions :

1. Which method is used to separate tea leaves from prepared tea? 

a) Sieving

b) Decantation 

c) Winnowing 

d) Handpicking


2. What method is commonly used by farmers to separate husk particles from grain seeds? 

a) Decantation 

b) Filtration 

c) Threshing 

d) Sedimentation


3. Which method is used to separate heavier and lighter components of a mixture by wind or blowing air? 

a) Filtration 

b) Threshing 

c) Winnowing 

d) Sedimentation


4. What is the process called when solid particles in a mixture do not pass through a filter paper and remain on the filter? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Sedimentation


5. Which method of separation is used to remove impurities like husk and stones from wheat before grinding? 

a) Filtration 

b) Threshing 

c) Sedimentation 

d) Handpicking


6. What is the process called when the water (along with the dust) is removed after the heavier component in a mixture settles? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Sedimentation


7. Which process involves the conversion of water into its vapour form? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Sedimentation


8. What is the process called when water vapour condenses and forms liquid water? 

a) Filtration 

b) Evaporation 

c) Condensation 

d) Sedimentation


9. How is the separation of salt, sand, and water achieved in the given paragraph? 

a) Filtration, evaporation, and condensation 

b) Sedimentation, decantation, and evaporation 

c) Threshing, winnowing, and filtration 

d) Handpicking, decantation, and sedimentation


10. What is the process called when the heavier component in a mixture settles after water is added to it? 

a) Filtration 

b) Evaporation 

c) Sedimentation 

d) Condensation


11. What is the process called when the water is removed from a mixture after the heavier component settles? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Condensation


12. Which method is used to separate impurities like stones from rice or pulses? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Handpicking


13. What method is commonly used by farmers to separate lighter husk particles from heavier seeds of grain? 

a) Filtration 

b) Threshing 

c) Winnowing 

d) Sedimentation


14. How are insoluble impurities separated from water? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Sedimentation


15. What is the process called when solid particles in a mixture do not pass through a filter paper and remain on the filter? 

a) Filtration 

b) Evaporation 

c) Decantation 

d) Sedimentation


16. Which method is commonly used to separate grain seeds from stalks? 

a) Filtration 

b) Threshing 

c) Winnowing 

d) Sedimentation


True/False:

1.  Tea leaves are separated from the liquid by filtration while preparing tea.

2.  Threshing is the process used to separate grain from stalks.

3.  Handpicking is a convenient method of separating substances when impurities are not large in quantity.

4.  Winnowing is a method used to separate heavier and lighter components of a mixture by wind or blowing air.

5.  Filtration is a method commonly used by farmers to separate grain seeds from stalks.

6.  Sedimentation is the process of converting water into its vapour form.

7.  Decantation is the process of separating components of a mixture by pouring off the liquid layer.

8.  Evaporation is the process of converting a liquid into its vapour form.

9.  Filtration is a method used to separate larger impurities from substances like wheat, rice, or pulses.

10.  Handpicking is a suitable method for separating small-sized impurities from substances.

11.  Winnowing is a method used to separate husk particles from grain seeds.

12.  Sedimentation is the process of separating components of a mixture based on their density.

13.  Decantation is the process of separating components of a mixture using a strainer.

14.  Evaporation is a suitable method for separating salt from water in a saltwater solution.

15.  Filtration is a method used to separate solid particles from a liquid by passing it through a filter medium.

16.  Threshing is a method used to separate heavier and lighter components of a mixture based on their size.

17.  Sedimentation is the process of removing heavier impurities from a mixture by allowing them to settle down.

18.  Decantation is a method used to separate solid particles from a liquid by pouring off the liquid layer.

19.  Filtration is a method commonly used to separate liquid components from a mixture.

20.  Handpicking is a method used to separate impurities based on their colour or shape.

21.  Winnowing is a method used to separate smaller particles from larger particles based on their weight.

22.  Sedimentation is the process of converting a liquid into its gaseous form.

23.  Decantation is a method used to separate two immiscible liquids.

24.  Evaporation is a method used to separate two miscible liquids.

25.  Filtration is a method used to separate gas from a mixture.

26.  Threshing is a method used to separate liquid components from a mixture.

27.  Sedimentation is a method used to separate different-sized particles from a mixture.

28.  Decantation is a method used to separate solid particles from a gas.

29.  Evaporation is a method used to separate solid particles from a liquid.

30.  Filtration is a method used to separate smaller particles from larger particles based on their shape.

31.  Handpicking is a method used to separate gas from a mixture.

32.  Winnowing is a method used to separate solid particles from a mixture using a sieve.

33.  Sedimentation is the process of converting a solid into a liquid.

34.  Decantation is a method used to separate different-sized particles based on their colour.

35.  Evaporation is a method used to separate liquid components from a mixture based on their boiling points.

36.  Filtration is a method used to separate liquid components from a mixture based on their freezing points.

37.  Threshing is a method used to separate solid particles from a liquid by centrifugation.

38.  Sedimentation is a method used to separate solid particles from a mixture by using a magnet.

39.  Decantation is a method used to separate different-sized particles based on their solubility.

40.  Evaporation is a method used to separate solid particles from a liquid by dissolving them.

41.  Filtration is a method used to separate liquid components from a mixture based on their viscosity.

42.  Handpicking is a method used to separate solid particles from a liquid by dissolving them.

43.  Winnowing is a method used to separate different-sized particles based on their electrical conductivity.

44.  Sedimentation is a method used to separate liquid components from a mixture based on their surface tension.

45.  Decantation is a method used to separate solid particles from a liquid by sublimation.

46.  Evaporation is a method used to separate different-sized particles based on their odour.

47.  Filtration is a method used to separate solid particles from a liquid by adsorption.

48.  Threshing is a method used to separate different-sized particles based on their melting points.

49.  Sedimentation is a method used to separate liquid components from a mixture by distillation.

50.  Decantation is a method used to separate solid particles from a liquid by precipitation.



Friday, July 14, 2023

Class VI Science Chapter 4: Getting to Know Plants

Multiple-choice questions:
1. What are the three categories into which plants can be classified?
a) Herbs, shrubs, and climbers
b) Herbs, shrubs, and trees
c) Creepers, climbers, and trees
d) Herbs, climbers, and trees

2. Which type of plants have green and tender stems?
a) Herbs
b) Shrubs
c) Climbers
d) Trees

3. What are plants called that have weak stems and spread on the ground?
a) Creepers
b) Climbers
c) Herbs
d) Shrubs

4. Which part of the plant helps in upward movement of water?
a) Leaves
b) Roots
c) Stem
d) Flowers

5. What are the two main parts of a leaf?
a) Petiole and veins
b) Lamina and veins
c) Midrib and veins
d) Petiole and lamina

6. What is the process by which plants release water into the air through their leaves?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Absorption

7. What is the part of the flower that contains ovules?
a) Sepals
b) Stamens
c) Petals
d) Pistil

8. Which plant category is characterised by having a hard and thick stem with branches above the ground?
a) Herbs
b) Shrubs
c) Creepers
d) Climbers

9. What is the function of the stem in a plant?
a) Photosynthesis
b) Water absorption
c) Nutrient transport
d) Pollen production

10. Which part of the leaf is responsible for carrying out photosynthesis?
a) Petiole
b) Midrib
c) Lamina
d) Veins

11. Which type of roots anchor the plant firmly to the soil?
a) Tap roots
b) Fibrous roots
c) Adventitious roots
d) Aerial roots

12. Which part of the flower is responsible for producing pollen?
a) Sepals
b) Stamens
c) Petals
d) Pistil

13. What is the process by which leaves prepare food in the presence of sunlight?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Absorption

14. Which type of venation is characterised by a net-like pattern on both sides of the midrib?
a) Parallel venation
b) Reticulate venation
c) Palmate venation
d) Pinnate venation

15. Which plant category has the ability to crawl along the ground and spread?
a) Herbs
b) Shrubs
c) Creepers
d) Climbers

16. What is the name of the green part of the leaf?
a) Petiole
b) Midrib
c) Lamina
d) Veins

17. Which part of the flower protects the bud before it opens?
a) Sepals
b) Stamens
c) Petals
d) Pistil

18. Which part of the plant absorbs water and minerals from the soil?
a) Leaves
b) Roots
c) Stem
d) Flowers

19. Which type of roots do plants with fibrous roots have?
a) Tap roots
b) Adventitious roots
c) Aerial roots
d) Lateral roots

20. What is the function of the leaf in a plant?
a) Support
b) Photosynthesis
c) Water absorption
d) Nutrient transport

21. Which part of the flower contains the ovary?
a) Sepals
b) Stamens
c) Petals
d) Pistil

22. What is the purpose of transpiration in plants?
a) Absorb nutrients from the soil
b) Release oxygen into the atmosphere
c) Transport water and minerals
d) Release excess water into the air

23. Which part of the plant is responsible for the production of flowers?
a) Leaves
b) Roots
c) Stem
d) Flowers

24. What is the primary function of the roots in a plant?
a) Photosynthesis
b) Water absorption
c) Nutrient transport
d) Reproduction

25. Which type of venation is characterised by parallel veins in the leaves?
a) Parallel venation
b) Reticulate venation
c) Palmate venation
d) Pinnate venation

26. Which part of the flower is responsible for producing ovules?
a) Sepals
b) Stamens
c) Petals
d) Pistil

27. What is the purpose of the sepals in a flower?
a) Attract pollinators
b) Protect the flower bud
c) Produce nectar
d) Produce pollen



True/false:
    1.  Plants can be classified into three categories: herbs, shrubs, and trees.
    2.  Herbs have green and tender stems.
    3.  Creepers are plants with weak stems that spread on the ground.
    4.  The stem helps in the upward movement of water in a plant.
    5.  Leaves are attached to the stem by petioles.
    6.  Transpiration is the process by which plants release water into the air through their leaves.
    7.  Petals are responsible for attracting pollinators with their colours.
    8.  The pistil is the innermost part of a flower.
    9.  Shrubs have hard and thick stems with branches above the ground.
    10.  The stem conducts water and nutrients to leaves and other parts of the plant.
    11.  Leaves use water and carbon dioxide to perform photosynthesis.
    12.  Tap roots anchor the plant firmly to the soil.
    13.  Stamens are responsible for producing pollen in a flower.
    14.  Leaves release oxygen through the process of photosynthesis.
    15.  Reticulate venation is characterised by a net-like pattern on both sides of the midrib.
    16.  Creepers crawl along the ground, while climbers take support and climb up.
    17.  The lamina is the green part of the leaf.
    18.  Sepals protect the bud before it opens.
    19.  Roots absorb water and minerals from the soil.
    20.  Plants with fibrous roots have tap roots.
    21.  Leaves are responsible for photosynthesis in a plant.
    22.  The pistil contains the ovary of a flower.
    23.  Transpiration helps in the transport of water and minerals in plants.
    24.  Flowers are responsible for the production of fruits.
    25.  Roots primarily function in water absorption.
    26.  Parallel venation is characterised by parallel veins in the leaves.
    27.  Plants with branches near the base have hard and thick stems.
    28.  The pistil is responsible for producing eggs in a flower.
    29.  Sepals protect the flower bud and do not produce nectar.
    30.  Plants with tap roots have lateral roots.

Tuesday, July 11, 2023

To be deleted

To be deleted

Monday, July 10, 2023

Class VI Science Chapter 2: Sorting Materials into Groups

Multiple-choice question:
1. Which of the following is an example of a round-shaped object? 
a) Chair 
b) Bullock cart 
c) Rubber ball 
d) Cooking utensils

2. Why do we choose a particular material for making an object? 
a) Based on its availability 
b) Based on its cost 
c) Based on its properties and purpose of use 
d) Based on its popularity

3. Which property describes how materials look different from each other? 
a) Hardness 
b) Lustre 
c) Transparency 
d) Appearance

4. Which group of materials appears shiny? 
a) Wood and cloth 
b) Copper wire and aluminium sheet 
c) Chalk and cardboard 
d) Iron and stone

5. What property determines whether a material is hard or soft? 
a) Lustre 
b) Transparency 
c) Hardness 
d) Appearance

6. Which statement is true about transparent materials? 
a) They cannot be seen through. 
b) They dissolve easily in water. 
c) They have a shiny appearance. 
d) They allow objects to be seen clearly.

7. Which type of materials are glass, water, and air? 
a) Opaque 
b) Translucent 
c) Transparent 
d) Insoluble

8. What happens to substances that are insoluble in water? 
a) They disappear completely in water. 
b) They float or sink
c) They dissolve in water. 
d) They mix with water.

9. Give an example of an object that floats in water. 
a) Stone 
b) Metal key 
c) Dried leaves 
d) Coin

10. Which statement is true about translucent materials? 
a) They allow objects to be seen partially. 
b) They do not mix with water. 
c) They have a shiny appearance. 
d) They cannot be scratched easily.

11. What is the palm of your hand classified as? 
a) Opaque 
b) Transparent 
c) Translucent 
d) Insoluble

12. How do we usually group materials at home for convenience? 
a) Based on their colour 
b) Based on their shape 
c) Based on their weight 
d) Based on their similarities or uses

13. Why is grouping materials useful? 
a) It makes them look more appealing. 
b) It helps us find them easily. 
c) It makes them easier to manufacture. 
d) It allows us to observe patterns in their properties.

14. What property is used to describe how materials can be compressed or scratched? 
a) Appearance 
b) Transparency 
c) Hardness 
d) Lustre

15. What property describes how well materials mix with water? 
a) Appearance 
b) Hardness 
c) Transparency 
d) Solubility

16. What property is used to classify materials as opaque, transparent, or translucent? 
a) Appearance 
b) Hardness 
c) Lustre 
d) Transparency

17. Which group of materials is mentioned as examples of transparent materials? 
a) Wood and metal 
b) Copper and stone 
c) Glass and water 
d) Chalk and cardboard

18. What property is used to describe how materials look different from each other? 
a) Hardness 
b) Lustre 
c) Transparency 
d) Appearance

19. What property determines whether a material is hard or soft? 
a) Lustre 
b) Transparency 
c) Hardness 
d) Appearance

20. Which materials are considered opaque? 
a) Glass, water, and air 
b) Wood, cardboard, and metals 
c) Sugar, salt, chalk powder, and sand 
d) Vinegar, lemon juice, mustard oil, and kerosene

21. What property is used to describe how materials mix with water? 
a) Appearance 
b) Hardness 
c) Transparency 
d) Solubility

22. What property is used to classify materials as opaque, transparent, or translucent? 
a) Appearance 
b) Hardness 
c) Lustre 
d) Transparency

23. Which group of materials is mentioned as examples of transparent materials? 
a) Wood and metal 
b) Copper and stone 
c) Glass and water 
d) Chalk and cardboard

24. What property determines whether a material is hard or soft? 
a) Lustre 
b) Transparency 
c) Hardness 
d) Appearance

25. Which materials are considered opaque? 
a) Glass, water, and air 
b) Wood, cardboard, and metals 
c) Sugar, salt, chalk powder, and sand 
d) Vinegar, lemon juice, mustard oil, and kerosene

************
Q. True/false :
1.  Objects around us have different shapes, colours, and uses.
2.  Objects can only be grouped based on their shape.
3.  All objects are made of the same material.
4.  The properties of materials have no influence on their usage.
5.  Lustre is a property that describes the appearance of materials.
6.  Shiny materials are usually metals.
7.  Hardness is a property that determines how easily a material can be compressed or scratched.
8.  All substances added to water dissolve completely.
9.  Transparent materials allow objects to be seen clearly.
10.  Opaque materials cannot be scratched easily.
11.  Solubility is a property that describes how well materials mix with water.
12.  Insoluble solids float on the surface of water.
13.  Materials that dissolve in water are considered opaque.
14.  All liquids mix completely with water.
15.  Transparent materials are always smooth.
16.  Translucent materials allow light to pass through but objects cannot be seen clearly.
17.  Appearance is the only property used to group materials.
18.  Lustre and hardness are properties that describe the appearance of materials.
19.  Opaque materials allow light to pass through.
20.  Materials can be classified as transparent, opaque, or translucent based on their solubility in water.
21.  Opaque materials are always rough.
22.  Soft materials are difficult to compress.
23.  All transparent materials are also translucent.
24.  Lustre can be observed on the freshly cut surface of metals.
25.  Hardness is a property that determines how easily a material can be dissolved in water.
26.  Solubility is a property that describes how well materials mix with liquids.
27.  Insoluble solids sink to the bottom of water.
28.  The properties of materials can be used to group them conveniently.
29.  Grocers keep similar objects together for ease of locating them.
30.  Grouping materials helps in understanding their properties and observing patterns.
31.  The purpose of an object does not influence the choice of material for its construction.
32.  Lustre, hardness, and transparency are properties important for material usage.
33.  Lustre and transparency are properties used to describe the appearance of materials.
34.  All shiny materials are metals.
35.  Soft materials cannot be scratched easily.
36.  Insoluble substances disappear completely when added to water.
37.  Transparent materials allow light to pass through but objects cannot be seen clearly.
38.  Appearance, hardness, and transparency are properties used to group materials.
39.  Lustre and hardness are properties that describe the appearance of materials.
40.  Opaque materials always have a rough texture.
41.  Hard materials are difficult to compress.
42.  Translucent materials allow light to pass through but objects cannot be seen clearly.
43.  The freshly cut surface of metals does not exhibit any lustre.
44.  The solubility of a material determines its hardness.
45.  Solubility is a property that describes how well materials mix with air.
46.  Insoluble solids always float on the surface of water.
47.  Materials can be conveniently grouped based on their properties.
48.  Grocers keep similar objects together for ease of manufacturing them.
49.  Grouping materials does not assist in understanding their properties or observing patterns.
50.  The choice of material for an object is not influenced by its purpose.

Class VI Science Chapter 2: Sorting Materials into Groups [Question ]

 


Which of the following is NOT a property used for sorting materials?

a) Color

b) Size

c) Smell

d) Weight


Which of the following materials is a natural fiber?

a) Polyester

b) Nylon

c) Rayon

d) Cotton


Which of the following is an example of a man-made material?

a) Wood

b) Glass

c) Paper

d) Soil


Which of the following materials can be separated by the process of winnowing?

a) Salt and water

b) Sand and water

c) Wheat and husk

d) Oil and water


Which of the following is a non-metal?

a) Copper

b) Silver

c) Iron

d) Sulphur


Which of the following materials is a good conductor of electricity?

a) Wood

b) Rubber

c) Plastic

d) Copper


Which of the following materials is biodegradable?

a) Plastic

b) Glass

c) Aluminum

d) Fruit peels


Which of the following is a non-magnetic material?

a) Iron

b) Nickel

c) Aluminum

d) Cobalt


Which of the following materials is opaque?

a) Glass

b) Water

c) Air

d) Wood


Which of the following materials is malleable?

a) Glass

b) Rubber

c) Copper

d) Stone


Which of the following materials is ductile?

a) Iron

b) Aluminum

c) Plastic

d) Wax


Which of the following materials can be recycled?

a) Plastic bottles

b) Styrofoam cups

c) Aluminum foil

d) All of the above


Which of the following materials is NOT a conductor of heat?

a) Metal

b) Plastic

c) Glass

d) Wood


Which of the following materials is NOT soluble in water?

a) Salt

b) Sugar

c) Sand

d) Coffee


Which of the following materials is NOT transparent?

a) Air

b) Glass

c) Water

d) Cardboard


Which of the following materials is NOT a natural resource?

a) Coal

b) Water

c) Plastic

d) Timber


Which of the following materials is NOT flexible?

a) Rubber

b) Plastic

c) Cotton

d) Metal


Which of the following materials is NOT a good insulator of electricity?

a) Rubber

b) Plastic

c) Copper

d) Glass


Which of the following materials is NOT biodegradable?

a) Paper

b) Cotton

c) Glass

d) Fruit peels


Which of the following materials is NOT transparent to light?

a) Air

b) Glass

c) Water

d) Brick


Which of the following materials is NOT a good conductor of sound?

a) Metal

b) Plastic

c) Wood

d) Glass


Which of the following materials is NOT magnetic?

a) Iron

b) Nickel

c) Aluminum

d) Plastic


Which of the following materials is NOT a liquid?

a) Water

b) Milk

c) Honey

d) Salt


Which of the following materials is NOT a solid?

a) Wood

b) Glass

c) Air

d) Stone


Which of the following materials is NOT a good absorber of water?

a) Sponge

b) Paper

c) Plastic

d) Cloth


Answers:


c) Smell

d) Cotton

c) Paper

c) Wheat and husk

d) Sulphur

d) Copper

d) Fruit peels

c) Aluminum

d) Wood

c) Copper

a) Iron

d) All of the above

b) Plastic

c) Sand

d) Cardboard

c) Plastic

d) Metal

c) Copper

c) Glass

d) Brick

b) Plastic

d) Plastic

d) Salt

c) Air

c) Plastic

Class 10 Assamese lesson 10 অৰুণিমা সিনহা Question answer

 (১) চমুকৈ উত্তৰঃ লিখা। (ক) অৰুণিমা সিনহাৰ কোনবিধ খেলত বিশেষ দক্ষতা আছিল ?  উত্তৰঃ অৰুণিমা সিনহাৰ ভলীবল খেলত বিশেষ দক্ষতা আছিল। (খ) অৰুনি...