D.A.V. PUBLIC SCHOOLS
Odisha, Zone-II
SUMMATIVE ASSESMENT-I: 2016-17
SUB : SCIENCE
CLASS-VI
(Question Bank)
1 Mark question
1. The group of organisms, which use light for making food are called __________.
(i) autotrophs (ii) heterotrophs
(iii) Decomposers
(iv) Scavangers
2. The process of loading helps to _____________.
(i) slow down the rate of sedimentation (ii) speed up the rate of sedimentation
(iii) speed up the rate of decantation
(iv) slow down the rate of decantation
3. Which of the following is insoluble in water?
(i) Mustard oil
(ii) Carbon dioxide
(iii) salt
(iv) sugar
4. An object through which we can see partially but not very clearly is
(i) a rubber ball
(ii) a sheet of tracing paper
(iii) a sheet of wood
(iv) a sheet of paper.
5. Which of the following is not a scavenger?
a. Jackal b. Lion c. Crow d. Vulture
6. Which of the following material allows light to pass through it ?
a. wooden scale
b. A sheet of plane glass
c. Cardboard
d. Science book
7. Which of the following is an example of heterogeneous mixture?
(a)Sugar in water
(b) Soft drink
(c) Sand in water
(d) Fuse wire
8. The image formed by a pin hole camera is
a)Inverted and enlarged
b)Inverted and diminished
c)Erect and enlarged
d)Erect and diminished
9. Group of organism, which helps in recycling of minerals.
a)Herbivores
b)Decomposers
c)Carnivores
d)Omnivores
10. ____________ helps to increase the solubility of solution.
a)Water
b)Sugar
c)Temperature
d)Salt
c)Sedimentation
d)Decantation
11. The process to separate solid camphor from sand.
a)Sublimation
b)Crystallisation
12. The solubility of a solid in water generally increases on
a) Increasing volume
b) Decreasing temperature
c) Decreasing volume
d) Increasing temperature
13. Which method is used to separate pebbles from rice
a) Sieving
b) Hand picking
c) Winnowing
d) Threshing
14. Vermicomposting is done bya)Fungus
(ii) bacteria
15. The gas that dissolves in water isi)O2
(ii) N2
(iii) worms
(iii) H2
(iv) birds
(iv) He
16. The substance which is obtained by crystallization isi)Salt
(ii) wax
(iii) petrol
(iv) camphor
17. Objects, like the sun which emit light of their own are calledi)Luminous objects
(ii) non-luminous objects
(iii) absorbers of light
(iv) reflectors of light
18. What is the colour of the bin which is meant for biodegradable waste
a. Green
b. Blue
c. Yellow d.Red
19. Name the gas which dissolves in water.
a.Carbon dioxide
b. Nitrogen c. Hydrogen d. Helium
20. Name the process in which solid substance changes into vapour on heating.
a.Crystallisation
b. Evaporation
c. Decantation
d. Sublimation
21. Something which can change its shape and size , and may appear and disappear anywhere /
anytime is known as
(a) image (b) shadow (c) beam of light (d) reflection of light
22. Which of the following is insoluble in water ?
(a) Oil (b) sugar
(c) carbon dioxide (d) table salt
23. Transferring clear liquid into another container leaving behind the residue is called
a)Sedimentation (b) condensation (c) decantation (d) crystallization
24. . Which of the following is an example of heterogeneous mixture.
a)salt solution
b)soft drinks c)bronze
d) iron nails in sulphur powder
25. It is the main source of light during day time.
a) LED electric bulb b) moon
c) sun d) torch
26. The gas produced during the process of photosynthesis is
a) CO2
b) oxygen
c) nitrogen
d) hydrogen
27. The gas which is partially soluble in water is
a) oxygen
b) carbon dioxide
c) ozone
d) hydrogen
2 marks questions
1.
2.
3.
4.
5.
6.
What do you mean by reflection of light ?
State the principle of conservation of energy .
State two differences between vertebrates and in vertebrates.
What is meant by ‘standard unit’? State the standard unit of (i) length (ii) mass
Define the term ‘revolution’. Give one example of revolutionary motion.
Define the term ‘mixture’. Give one example of homogeneous mixture of solid in
solid .
7. Which process is useful in separating the following
a)Husk from grain
b)Camphor from sand
8. Define ‘filtration’. On the basis of filtration, name the following
a)The liquid collected in the beaker
b)The solid particles collected in the filter paper.
9. Where is jute obtained from? Which kind of soil is good for growing jute plants?
10. Name two things (other than opaque object) require for shadow formation.
11. With the help of a diagram, show the formation of an image by a pinhole camera.
12. Write two differences between regular and irregular reflection.
13. State the two factors which affect the work done by a force.
14. Define the following: Frugivorous, Parasites.
15. Give the two examples of natural events, which helps ancient people to know the time?
16. What is Periodic motion? Give two examples.
17. Give two methods, which is used to separate solids do not dissolved in liquids.(write briefly)
18. Why does the size of naphthalene balls, put in open,keep on reducing with time?
19. What is sieve? Where do we use sieve?
20. a)Which soil is required to grow cotton plants?
21. Name two things made by coir.
22. Give two characteristics of shadow.
23. Define translucent and transparent objects.
24. What is lateral inversion? Where do we find the use of it in our daily life?
25. Give an example to show that heat is the form of energy.
26. What do you mean by parasites? Name one plant and one animal parasite.
27. Describe an activity to show that pure water is a transparent liquid.
28. What is centrifugation? Write its anyone use in our day to day life.
29. Name two plant and two animal fibres.
30. Differentiate between transparent and opaque materials.
31. Name a device which converts –
a) Electrical energy into sound energy
b) Chemical energy into electrical energy
32. Why do materials diffuse into each other?
33. Why sawdust mixed in water cannot b e separated by sedimentation method?
34. What are the relative positions of the sun, moon and the earth during solar eclipse?
35. Name two non-magnetic substances.
36. What is lateral inversion? Give an example to explain its use.
37. What do you mean by biennial and perennial plants?
38. Differentiate between periodic and non periodic motion.
39. Write the standard unit of
a) Mass
b) Length
40. What do you mean by sublimation? Name two substances that can be separated by the
method of sublimation.
41. What is crystallization? Name any two substances that can be purified using this technique.
42. Differentiate between a pure substance and a mixture.
43. Write down two uses of jute.
44. What are the relative positions of sun, moon and earth during a lunar eclipse?
45. Give two examples each of transparent and translucent materials.
46. Write any two properties of the image formed by a plane mirror.
47. Write two uses of solar cells.
48. Write any two uses of animals in our daily life.
49. How do we decide whether an object is in motion or is at rest?
50. Name the type of motion in the following events:
(i)A child on a swing
(ii) moving blades of a wind mill.
51. Why is wood considered an opaque object whereas glass is considered as a transparent object?
52. What is threshing?
53. Define: (i) sedimentation (ii) decantation
54. After a dust storm , how does rain help in making air clean?
55. State the conditions that help in the growth of cotton plants.
56. Give two examples each of : (i) natural sources of light
(ii) artificial sources of light
57. List two properties of images formed by a plane mirror.
58. Define energy. Name any two different forms of energy.
59. Why is wood considered an opaque object whereas glass is considered as a trans
60. What is oscillatory motion ? Give one example.
61. What is sedimentation ? Which process is used to settle the finer particles ?
62. Which natural fibre is known as golden fibre and why ?
63. Differentiate between periodic and non-periodic motion.
64. What is centrifugation ? Write any one use of it in our day to day life.
65. What is meant by lateral inversions ? Give an example to illustrate its uses in practice.
66. Why do stars appear to be at rest to us ?
67. Write two effects of force .
68. What do you mean by sublime substance ? Give one example .
69. Define natural fibre . Give one example of plant fibre and one animal fibre .
70. How can you separate sugar , sand and iron nails from their mixture ?
71. Draw a labeled diagram of filtration technique .
72. What are immiscible liquids ? How can they be separated ?
73. Which principle is used in pinhole camera ? What is nature and size of image formed in
this camera ?
74. Why solar or lunar eclipse are not seen in every full moon day or new moon days ?
75. With the help of diagram show that size of shadow formed, depends upon relative position
of source and opaque object
76. What is crystallization? Give an example in which crystallization is used.
77. What do you mean by pure substance? Give at least two example of pure substance.
78. Differentiate between sublimation and sedimentation with example of each.
79. What is standard unit? Write the standard unit of mass and length?
80. What is curvilinear motion? Give two examples.
81. What do you mean by translucent objects? Give two examples.
82. How many things are required for formation of a shadow and what are they?
83. Differentiate between regular reflection and irregular reflection.
84. Define work. Work done by a given force, depends on which two factors?
85. Describe any two characteristics of living things.
86. What is sieve? Where do we use sieve?
3 Mark Questions
1.
Define the following terms.
i. a) vermicomposting b) autotrophs c) herbivorous
2. What do you mean by habitat? Distinguish between mesophytes and xerophytes.
3. Distinguish between transparent and opaque materials. Why one can able to see through a
transparent material?
4.
a) Why is black soil suitable for growth of cotton plants?
b) What is fleece?
c) Name two synthetic fibres.
5. (a)What is digital clock?
(b)What is force?
(c)What do you mean by physical quantities?
6. Write all the properties of the image formed by a plane mirror.
7. Describe chemical energy with proper example.
8. One small child went to a nearby grocery shop. Where he had seen that the shopkeeper was
picking out some pebbles and unnecessary materials mixed with the pulses. The child had asked
about this to the shopkeeper. The shopkeeper had answered that this is not only increasing its
weight to the substance but also is harmful for the consumer.
a)By which method the shopkeeper was separating the pebbles?
b)What is adulteration?
c)what value shown by the shopkeeper
9. How is balance maintained between the amount of oxygen and carbon dioxide in the atmosphere ?
10. How animals are useful to us ? Write any three points.
11. State any three effects of force.
12. (a) What is saturated solution ?(b) How can we increase the solubility of substance ?
13. Many shopkeepers mix harmful and cheap components with a pure substance to earn profits. For
example, they mix white stone in rice or dried papaya seeds in black pepper. This is called
Adulteration. It is always advisable to buy good quality food stuff from a reliable shop.
After reading the above passage, answer the following.
a)What is a pure substance?
b)Mixture of white stone in rice is what type of mixture .(homogeneous / heterogeneous
c)What is the value associated with this paragraph ?
14.
(a) What is fleece ?
(b) What is the difference between fibre and fabric ?
15. Light travels in a straight line. Explain this with a simple activity.
16. (a) Give one example in which no work is done on a body though a force act on it.
(b) What is the difference between kinetic energy and potential energy ?
17. Define the following terms.
a) Heterotrophs
b) Vermicomposting
c) Decomposers
18. What do you mean by parasites? Name one plant and one animal parasite.
19. a) Define motion.
b) Why does measurement need both a number and a unit for its complete specification?
20. . a) Define the term solubility.
b) Why do solids have a fixed shape and a definite volume?
21. Neha was playing in the living room and her mother was stitching clothes. Suddenly a
phone came. So she hurriedly went to receive the phone call and the needle box fell
down and the entire needle scattered in the carpet. Some guest were about to come.
But Neha collected all the scattered needles in a shortest possible time.
a) In which method Neha collected all the needles in shortest possible time?
b) State the values displayed by Neha.
22. a) What are synthetic fibres?
b) What kind of soil is suitable for growing cotton plants?
c) What is fleece?
23. Write the conditions for the formation of a shadow?
24. a) What is displacement?
b) Define potential energy
25. What do you mean by compost? What is the use?
26. Give three features to differentiate solid, liquid and gas.
27. What is difference between rest and motion?
28. Give two effects of force.
29. Classify plants on basis of nutrition.( example for each)
30. a)How does the sound produce?
b) State the condition under which work is said to have been done.
31. What are the three essential things required to form a shadow?
32.
a)Where do we get linen?
b) Which leaves are required to feed silkworm?
c)Name one synthetic fibre.
33. Mr. Pritam is living in residential area of Pune, named Ram Nagar. People of that area throws many
clutters in back of their home. Mr. Pritam used to collect the iron from those waste and send to
near by welder to make different things and sell them in shops and collect the amount and give
them orphanage.
a)Find the methods of separation he was using to collect the iron from clutter.
b)State two values he was showing by this work.
34. What is mineral cycle? How can we show the interdependence of different components of
environment by a diagram?
35.
36.
37.
38.
Write one word answer for the following statements.
a)Animals that do not make their own food and are dependent on other plants and animals.
b)Living organisms like green plants which make their own food .
c)Animals who feed on both plants as well as animals.
Write one main characteristic in each of the following and give one example in each case.
(a)Herb
(b) Shrub
(c ) Tree
a)Define measurement.
B) Why does a measurement need both a ‘number’ and a ‘unit’ for its complete specification?
a)Define the term ‘solubility’.
b)How does solubility of a substance change on increasing the temperature?
(c) Name two solid substances which are soluble in water.
39. Sobhna’s Father brought some grocery. At home ,sobhna tried to find any kind of adulteration in
dal. She found that some yellow powder are mixed in dal. She asked her father to change the dal
and bring some good quality dal because adulterated dal may cause disease.
a)Is mixture of yellow powder in dal a homogeneous or heterogeneous?
b)State one value shown by Sobhna .
c)What is pure substance?
40.
a)Give reason: “Black soil is suitable for growing cotton plant”.
b)Name two articles made from coir.
(c) Wool is obtained from the body coat of animals. Name two such animals.
41.
a)What do you mean by ‘lateral inversion’?
(b) Write four characteristics of the image formed by a plane mirror.
42.
(a)When is work done?
(b) A moving object can do work. Explain this statement with the help of a suitable example.
43.
44.
45.
(i) What is Rain Water Harvesting?
(ii) How is it useful for us?
Distinguish between periodic and non-periodic motion. Give example.
(a) (i) Standard unit of length ______________
(ii) Standard unit of time ______________
(b). Why does a measurement need both a ‘number’ and a ‘unit’ for its complete
specification?
46.
(i) Define the term ‘solubility’.
(ii)How does it change on increasing the temperature .Explain with one activity.
47. Difference between unicellular and multi-cellular organism. Give two examples of each.
48. What are the three essential things needed for shadow formation?
49. (i) What is golden fibre ?
(ii) What kind of soil they need to grow every year?
(iii). Write any two uses of golden fibre.
50. Name a device which converts:
(i). Electrical energy to light energy
(ii). Electrical energy to sound energy
(iii). Chemical energy to electrical energy.
5 Mark Question
1.
(a) How does nature maintain a balance between the amount of oxygen and carbon dioxide , in the
atmosphere?
(b) State one differences between biodegradable and non-biodegradable materials.
(c ) Put the following materials in blue bin and green bin according to their nature.
Plastic, clothes, glass, paper
Blue Bin
Green Bin
2.
(a) All living things respond to external stimuli. Justify this statement by giving two examples.
(b)State any three differences between living and non-living things.
(a) Distinguish between rectilinear and curvilinear motion.
(b) Name the type of motion in the following cases
(i) Swinging pendulum of a clock (ii) Wheel of a sewing machine.
(c ) State any two effects of force .
(a) What is ‘saturated solution’?
(b) How can you prepare a saturated solution of sugar in water?
3
4.
5.
6.
7.
8.
9
10.
(c) Describe a simple activity to show that a solid can diffuse slowly in a liquid.
(a) Define the process of ‘centrifugation’.
(b) Explain the steps which can be used to separate the particles from a mixture of sand, sugar
and iron nails.
(a) What are synthetic fibres?
(b) Write any four advantages of synthetic fibre.
(c) Write two differences between ‘spinning’ and ‘weaving’.
(a) Define an ‘eclipse’.
(b) Name the type of eclipse occurs on a ‘full moon night’.
(c) Draw a suitable ray diagram to explain the type of eclipse named by you in Q.No.7 (b).
(a) Define energy.
(b) What is the difference between kinetic energy and potential energy?
(c) Name the type of mechanical energy possesses by the following,
(i) A bullet fired from a gun.
(ii) The water stored at a height in a tank.
a)Give two example of gases, which do not dissolve in water
b) Why do gas dissolve faster than liquid?
c)Define solubility,saturated solution
What is crystallization?Draw a neat diagram to show crystallization to obtain pure small crystal of
sugar(Explain and label).
11. a)Give three precautions to measure length by measuring scale.
b) What is curvilinear motion? Give two examples.
12. a)Differentiate between xerophytes and hydrophytes.(with example)
b) Justify the statement “All living things respond to external stimuli.”
13. a)Give two example to show that work is done.
b) Give two examples chemical energy.
c) State two different uses of light energy.
14. a) Differentiate between solar eclipse and lunar eclipse.
b) Draw a neat diagram to show solar eclipse.
15. Explain the process of production of cloth in flow chart.
16.
Write five activities that can help to save the environment
17.
a. Name any four products obtained from plants.
b. How are animals important to us? Justify with three examples.
18.
What are the precautions followed when a metre scale is being used for measuring a given length.
19.
a. Define solubility. Name two substances soluble in water.
b. How does it change on increasing the temperature of water?
20.
a. Name any two substances that can be separated by filtration method.
b. Draw a neatly labelled diagram of the process of filtration.
21. a. Write two uses each of jute and coir.
b. Write down the steps involved in the production of the cloth in the correct sequence.
22.
Answer the following.
a. With the help of a diagram show the formation of an image by a pinhole camera.
b. Write on which property the pinhole camera is based.
c. What is the nature of image formed by a pinhole camera?
23.
Answer the following.
a. State the conditions under which work is said to be done.
b. Explain by giving example that a moving object can do work.
c. What do you mean by kinetic energy?
24. a)Why do buffaloes cool themselves in water during summer?
b) Show the relationship between the biotic and the abiotic components of the
environment with the help of a diagram.
25. a) Differentiate between mesophytes and hydrophytes. (Any three)
b) How are vertebrates different from invertebrates?
26. a) State any four effects of force.
b) How is rectilinear motion different from curvilinear motion?
27. a) Define the term dissolution.
b) How do aquatic animals breathe in water?
c) Why do solids, liquids and gases differ from each other in their properties?
28. a) What is winnowing?
b) Draw a neat and labeled diagram to show the method of filtration.
c) Write any four types of filters.
29. a) Where is coir obtained from?
b) Write the difference between spinning and weaving.
c) What type of soil is suitable for the growth of jute plant and why fresh soil is required
for cultivating jute plant every year?
30. a) Draw a labeled diagram to show solar eclipse.
b) Differentiate between regular and irregular reflection.
31. a) State the principle of conservation of energy.
b) State two different uses of light energy.
c) Name the device which converts:
i) Electrical energy into light energy
ii) Chemical energy into electrical energy
32.
(i) What is rain water harvesting?
(ii) How is it useful for us?
(iii) How is rain water collected in metropolitian cities?
33.
(i)What is habitat?
(ii)Write any two characteristics of xerophytes.
(iii)Living things respond to stimuli. Justify this statement.
34(i) What is solubility?
(ii) How does solubility change on increasing the temperature of water?
(iii) Why do solids have a fixed shape and volume?
(iv) Name any two materials that are soluble in water.
35
(i) What is centrifugation? Give one example where this process is used?
(ii) What is sublimation? Give two examples of substances that sublime on heating.
(iii) Name two methods which are used for separating solid solid mixtures.
36
(i) Why do we need fresh soil for cultivating jute plant every year?
(ii) Name two materials which are made from these following fibres: a) coir b) jute
(iii) Where is coir obtained from?
37
(i) What is lunar eclipse?
(ii)Draw the diagram of lunar eclipse
38
(i) Define work.
(ii) State the conditions under which work is said to have been done.
39.
40
41.
42.
43
44.
45
46.
47 .
(iii)State the type of mechanical energy possessed by the following:
a) a bullet fired from a gun. b) the water stored at a height in a tank
(i) Define rectilinear motion. Give two examples for this type of motion.
(ii) Differentiate between: (a) rotation and revolution
(b) periodic and non periodic motion.
(a) What is rain water harvesting ?
(b) Why is rain water harvesting a ray of hope for today’s scarcity of
water ?
(a) What is habitat ?
(b) Why banana plant is a herb although it is as tall as tree ?
(c) Living things respond to stimuli, justify it with two examples.
What are the precautions to be followed when a metre scale is being used for
measuring a given length ?
(a) Define diffusion .
(b) Why do gases diffuse very readily ?
(c) Why do solids, liquids and gases differ from each other in their
properties ?
Draw a neat and well-labelled diagram of filtration method. Also name the
four varieties of filters available.
(a) Write down the steps involved in the production of cloth in the correct
sequence .
(b) In what ways the synthetic fibres better than the natural fibres ?
(a) What are the three things required for the formation of shadow ?
(b) With the help of suitable diagram, show that the size of the shadow
formed depends upon the position of the source and opaque object.
Give reason
(a) solids have fixed shape
(b) solids do not diffuse
(c) rate of diffusion is very quick in gases
(d) gases do not have fixed volume
(e) liquids can diffuse
48
49
What is motion ? Why is it relative to observer’s surrounding?
Distinguish between (a) rotation and revolution (b) rectilinear and curvilinear motion
Write method and materials required to separate (a) camphor from salt (b) insect from
wheat (c) husk from grains (d) grains from stalk (e) iron nails from sand
50
51
52
Write the steps involved in making fabric from fibre
Differentiate between (a) weaving and Knitting (b) weaving and spinning
(i) What is shadow ?
(ii) Which things are essential for its formation ?
(iii) Write the characteristics of shadow .
(i) Define energy .
(ii) State two forms of energy
53.
(iii) What type of mechanical energy is possessed by (a) moving bus
(b) water stored at a height in tank
Suggest any five activities that can help to save environment .
54.
Give five points of differences between living and non-living things .
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