GENERAL SCIENCE REVISION ASSIGNMENT(Class-V)

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DPS- MODERN INDIAN SCHOOL, DOHA QATAR
SUBJECT: GENERAL SCIENCE
REVISION ASSIGNMENT(Class-V)
SUMMATIVE ASSESMENT-1
I.FILL IN THE BLANKS:
1.Tiny holes in the body of an insect through which it takes in air are
called___________.
2.Earthworms breathe with the help of their_______.
3.Birds have________body which help it to fly.
4.__________is the most highly developed of all animals.
5.Dissolved substances can be separated by________and_________.
6.When an object is immersed in liquid it appears to______a part of its
weight.
7.Viruses are __________than bacteria.
8.A _________pulley is fastened to some support and a______pulley
is fastened to the load.
9.It is difficult to get a screw with_______pitch into a piece of wood
than a screw with_________pitch.
10.___________poisoning causes black patches on skin.
11.The safe intensity level of sound as prescribed by WHO is _______
decibels.
12.__________is the study of ecosystem.
II.COMPLETE THE FOLLOWING STATEMENTS:
1.Indian Shad migrate from sea to rivers to______________.
2.Gills of fish are red because____________________.
3.In injection syringe when handle is pulled out___________.
4.Drinking water should be free from________________.
5.A carrier is a person who____________________.
6.Deficiency diseases are caused due to______________.
7.An inclined plane does not decrease work but____________.
8.Upward thrust of water can support an object which___________.
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9.Environmental conservation involves the control of pollution,effort to
reduce______________________________.
10.Recycling is a process which involves___________________.
11.The apparent loss in weight of an object submerged in water is
equal to the_______________________________________.
12.Sedimentation is a process of settling ___________________.
III.NAME THE FOLLOWING:
1.To make suitable to or fit for a special situation______________.
2.Animals which live in water__________.
3.Air we breathe in_________.
4.A substance that does not dissolve in water_________.
5.An unfavourable reaction of the body to otherwise harmless
agents________.
6.Proteins produced in the body to resist any disease_____________.
7.Weight that we try to move with the help of the lever____________.
8.An inclined plane wrapped around a cylinder__________.
9.A rigid rod that moves around a fixed point____________.
10.The upward thrust on a body immersed in aliquid__________.
11.Adding worms to the compost___________________.
12.Burning of waste in special furnaces_____________.
IV.CHOOSE THE CORRECT ANSWER:
1.An inflated balloon when punctured with a needle bursts with a loud
sound.Why?
a.It is the air around rushing quickly into the balloon.
b.It is the sound of the air from the balloon rushing out quickly.
c.It is the noise made by the people around in panic.
d.It is the sound made by the skin of the balloon as it stretches.
2.Birds which swim in water have:
a.webbed feet
b.long beaks
c.broad wings
d.toes with claws
3.Gas used up in burning is:
a.carbon dioxide
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b.oxygen
c.nitrogen
d.chlorine
4.To vaccinate is to
a.build the body’s resistance
b.injecting bacteria which produce antibodies
c.both
d.none
5.Pollution which leads to bit aggressive and rude behavior:
a.noise pollution.
b.soil pollution.
c.water pollution.
d.air pollution.
V.MATCH THE FOLLOWING:
a.amount of oxygen
i.inhale
b.nitrogen
ii.carbon dioxide
c.the amount of water vapour in the air
iii.photosyntesis
d.breathe in
iv.humidity
e.breathe out
v.about one fifth of air
f.plants use up this gas to make their food
vi.makes up most of air
g.the process by which plants make their food vii.exhale
VI.DEFINE THE FOLLOWING:
1.Biotic component
2.Pitch of the screw
3.Communicable diseases
4.Residue
5.Proboscis
VII.ANSWER THE FOLLOWING:
1.How do snakes move?
2.Why do animals migrate?
3.What is the use of pulley?How does it makes our work easier?
4.Name the gases present in air?
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5.How will you show that oxygen is one fifth of the air by volume?(draw
diagram)
6.Write a short note on fungi?(with diagram)
7.Name five main types of simple machines?
8.What is air pollution?
VIII.GIVE ONE EXAMPLE OF EACH OF THE FOLLOWING:
1.An animal that migrate___________.
2.A good solvent______________.
3.A disease spread through air______________.
4.Second class lever_________________.
5.A wheel and axle machine_______________.
6.An E-waste__________.
7.An air pollutant__________________.
8.An inclined plane_______________.
IX.COMPLETE THE SECOND PAIR:
1.Fish:gills::man:____________
2.Frogs:skin::insects:__________
3.Salt:soluble::chalk:_________
4.Inspired air:oxygen::expired air:____________
5.Meningitis:bacteria::malaria:_______________
6.living component:biotic::non living component:_____________
X.DRAW NEAT AND LABELLED DIAGRAM OF FILTRATION
XI.MAKE A WORKING MODEL OF ANY ONE OF THE FOLLOWING
1.PULLEY
2.WHEEL AND AXLE
NOTE-a.Use separate sheet to answer the questions
b.Answer key will be uploaded after 24August 2012
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