2 SCIENCE GRADE K12

Transcription

2 SCIENCE GRADE K12
SCIENCE
GRADE
K12
OLYMPIAD
FOUNDATION
2
INSTRUCTIONS
Carefully read the questions in this booklet. Start answering
SCIENCE
them one by one, in the order given. For each question, there
are four options - A, B, C and D. Only ONE of these options is
correct.
Choose the option which you think BEST answers the question.
Then, on the ANSWER SHEET given to you, find the
corresponding question number and BLACKEN the oval
containing your choice
next to it. MARK YOUR ANSWERS USING PENCIL ONLY.
Blacken only ONE oval next to each question - if more are
blackened, your answer will be marked wrong. If you want to
change an answer, carefully erase the previous mark
completely.
Before you begin the test, read the instructions on the answer
sheet carefully. and fill in your name, class, and other details.
EACH QUESTION CARRIES 1 MARK. NO MARKS WILL BE
CUT FOR WRONG ANSWERS.
PLEASE PRESERVE THE QUESTION PAPER TILL YOU
RECEIVE YOUR K12Olympiad RESULTS. YOU WILL NEED IT
TO UNDERSTAND THE RESULTS COMPLETELY.
www.k12olympiad.com
Do you know that K12 Olympiad is a
DIAGNOSTIC (and not a competitive) test?
This means that it helps you find out your
strengths and weakness and the main aim is
not to win prizes. So do take the test
seriously and BEST OF LUCK!
1. What do the roots of plants absorbs form
6. Which one of the following is the correct
soil?
order of the figures to show the life cycle of
a. Water
a butterfly?
b. Nutrints
c. Both (a)&(b)
a. B,D,C,A
A)
b. A,B,C,D
B)
c. B,A,D,C
C)
d. C,B,A,D
D)
d. None of these
2. The method in which the stem of the plant
is used to produce a new plant without
detecting it from the plant called?________
a. Budding
b. Layering
c. cutting
d. All of these
3.
4.
How is a tea plant propagated?
7. Gravity: Downward force_____: Upwards force.
a. From seeds
a. Applied force
b. From cutting
b. Magnetic force
c. From milks
c. Buoyant force
d. By watering the ground
d. Frictional force
The animal shown in the picture warns
other animals of dangers like a tiger or
leopard by:
8. Which form of energy depicted in the given
figure?
a. Solar energy
a. Producing some chemicals
b. Thermal energy
b. Making a special warning call
c. Geothermal energy
c. Dancing
d. Wind energy
d. None of theses
9. Match the following:
5. Mosquitoes can find you by the:
a. sound of your body
b. smell of your body
List I
List II
A. Spring force
1
B. Gravitational
2
C. Friction force
3
c. shadow of you body
d. None of these
force
D. Magnetic force 4
Page No. 1
10. What simple machine uses a slanted
surface that connects a lower level to a higher
level?
a. Inclined plane
b. Screw
c. Wedge
d. Lever
11. Read the statements and choose the
correct option:
Statement A: coal is source of energy.
Statement B: energy can be transferred from
one of form to another.
a.Only statement A is true.
b.Only statement B is true.
c.Both statements are true
d.Both statements are false.
12. Match the following:
A.
B.
C.
D.
List I
Sun
Earth
Forests
Rain
List II
1
2
3
4
A.
3
1
4
2
B.
2
4
1
3
C.
1
3
2
4
D.
4
2
1
3
Biomass energy
Solar energy
Hydropower energy
Geothermal
13._________Is water in its gaseous form.
a. Evaporation
b. Water vapour
c. Atom
d. Condensation
Match the following:
List I
List II
A. Physical change 1
A change to a different type
of matter with new properties
2
B. Properties
C. Chemical change 3
D. Matter
4
Anything that has mass and
takes up space
Change in the way matter
looks
Qualities used to describe an
object
A.
3
4
1
2
B.
1
2
3
4
C.
3
1
2
4
D.
1
2
3
4
16. Raju went to the jeweller to sell off his
pure gold chain.The gold chain weighed 100gm.
If the jeweller melts 100gm of pure gold and sell it,
He will get :
a. Price for 100gm of gold
b. Price for 130gm of gold
c. Price for 80gm of gold
d. Price for 10gm of gold
17. I painted the inner four walls of a box.Then I
put an ice block into it such that it didn't touch the
walls but I couldn't do the same when I put water
in that box. Why?
a. Liquid takes the shape of container, So it
always touch the walls of the box in which you put
it.
b. The molecules of liquids are more tightly
packed than that of gases.
c. Both (a) &(b)
d. Neither (a) nor (b)
14. Which of the following substance is able
to sublime?
18. Read the following statements and choose
the correct option.
Statement A: I can easily compress the water in jar
to reduce its volume .
Statement B: When water evaporates, It turns into
solid.
a. Carbon dioxide
b. Salt
c. Water
d. Air
a.Only statement A is true
b.Only statement B is true
c.Both the statements are true
d.Both the statements are false
Page No. 2
19. Read the passage and fill in the blanks
with suitable option .When a solid turns into a liquid it is called_______(31)_____.There is a
temperature at which this happens called the melting____(32)____.As the energy in the molecules
increases from a rise in temperature, the
molecules start moving ____(33)____.Soon they have
enough____(34)____to break free of their rigid structure and start moving around more easily .
The matter becomes a ____(35)____.The melting point for water is 0 Degree C (32 Degrees F).
When the opposite happens and a liquid turns into a solid, it is called freezing.
31. (a) Melting
(b) boiling
(c) heating
(d) none of these
32. (a) Line
(b) point
(c) arrow
(d) none of these
33. (a) Slower
(b) faster
(c) medium
(d) none of these
34. (a) Energy
(b) chocolate
(c) ice crea
(d) none of these
35. (a) Solid
(b) gas
(c)
(d) none of these
liquid
20. When the food gets spoiled, There is
change in:
23. How many types of motion does earth have?
a. Zero
a. odour
b. one
b. colour and appearance
c. two
c. flavour
d. three
d. any of these
24. Axis is ____.
21. Citrus fruits mainly contain:
a. name of planet
a. proteins
b. name of place
b. carbohydrates
c. an imaginary line in which earth rotates
c. fats
d. None of these
d. vitamin c
25. Read the statement and choose the correct
22. Read the statements and choose the
options.
correct options.
Statement A: We produce cool synthetically.
Statement A: In chemical preservation,
Statement B: Earth is always stationery
Soil is used to conserve the food items.
(I.e.it doesn't move).
Statement B: We should pack the food with
Statement C: Sun is not a part of Solar system.
extra care while we are going on travel.
a.TFT
Statement C: We can pack all food item
b.FFF
together in a box.
c.TTT
Statement D: Airtight tiffins are used to pack
d.FTF
clothes.
26. There are _____hemishepheres on earth.
(a)TFFT
a. 0
(B) FFTT
b. 1
(C) FTFF
c. 3
(D)TFTF
d.2
Page No. 3
27. Total eclipse moon is when _____.
32. I am everybody's need and there can be no life
a. full shadow of moon falls on earth
without me plants,animals and human beings all
b. partial shadow of moon falls on earth
need me.am used in almost every thing from
c. full shadow of earth falls on moon
cooking to washing in science,am the universal
d. none of these
solvent. Scientists use me to mix in mixture.
am precious and I should be conserved.
28. The majority of fuel used as shown in the
identify me
pie chart is for light vehicles.Which fuel is
used the most for light vehicles?
a. petroleum
a. petrol
b. water
Other 3% Rail 2%
Water 5%
b. diesel
c. oxygen
d. oil
c. CNG
d. LPG
Medium/
heavy trucks
22%
33. What does the following picture depict?
Light
Vehicles
59%
Buses 1%
=
sink
30. what did NASA administrators particularly
like about the space shuttle?
a.Flotation of ball
a. it would be cheaper to make,So it would
b.Sinking of wall
cost less
c.Constant up-down movement of wall
b. it would be reusable,So it would cost less
d.None of these
c. Many countries would chip in, So it would
cost less
37. When a mixture of salt + sugar + vinegar +
d. it would be more accurate,bring back more
lemon juice + soda was added into water, it
data and it would be more cost effective
resulted in the formation of a:
a. soluable mixture
31. “Titanic was one of the largest and luxuries
b. layers of different mixtures
ships that was called THE UNSIKADLE SHIP,
c. mixture in which all ingredients are mixed
On April 14th, 1912, However the ship struck
except soda that forms a separate layer
an iceberg and early the next day it sank,
d. none of these
Some 1500 people were perished,”
a.The ship sank.
38. Read the statement and choose the correct
b.The ship got pierced from one corner after
option.
hitting the iceberg and the water from the
Statement A: Oil and water do not mix
ocean started entering the ship
Statement B:When heated, liquids contract
c.Ship was floating in the ocean
a.Only A is correct
d.The fast moving ship hit and iceberg
b.Only B is correct
Arrange the events in the order in which
d.None of these is correct
they took place
a.ABDC
b. CDBA
c.Both A & B are correct
c. ACDB d. BACD
Page No. 4
39. Amith went to play on Saturday when it was
raining heavely. He played football in the play
ground and got the dirty. After a week, he
44. match the following
List I
List II
A. Water vapour
1. Insoluble and lighter than
water
started having continuoues chills, fever and
body aches. After consulting a doctor he was
B. Stones
2. Solid form of water
diagnosed with a disease that was transmitted
C. Ice
3. Gaseous form of water
by the bite of an infected mosquito. He was
D. Oil
4. Insoluble in water
advised bed rest and meditation for 1 week
Amith was diagnosed with which disease?
45. About ________% of earths surface is covered
with water
a. malaria
a. 80
b. viral
b.20
c. jaundice
c.71
d. fungaria
d.68
40. In earlier times ____was not as easily
46. Why should not play with pointed objects?
available as it is available today.
a. it will get damaged
A. water
b. it can cause serious injuries
b. milk
c. the object cannot be used again
c. land
d. none of this
d. none of these
47. What is the first had for a person saved from
41. Earthenware pots keep the water_________.
drowning?
a. hot
a. He should be given water to drink.
b.cool
b. He should be given the medicine.
c.boiled
c. He should be made to lie on the stomach and his
d.none of these
back should be lightly pressed
d. A bandage should be tied
42. _____extracted from springs or by using wells.
a. groundwater sources
48. Match the following by observing what is the
b. surface water sourses
risk associated with these activities?
c. Non-conventional sourses
Activity
Harm/ risk
d. none of these
A. Touching a hot pot
1. Cuts
B. Put fingers in an
electric sockets
reservoirs.
C. Pushing each other while
2. Wounds/
scratches
a. groundwater sources
playing
3.Burns
b. surface water sourses
D. Using sharp knife
c. Non-conventional sourses
carelessly
43.______withdrawn from rivers,lakes or
4.Electric shock
A
B
C
a.
1
2
3 4
b.
3
4
2
1
c.
2
3
1
4
d.
2
3
4
1
d. none of these
D
Page No. 5
49. What should not be done in case of burns?
a. Pour cold water
b. Put a cream on burns
c. pich the blisters
d. all of these
51. What is common between a first aid box and a
makeup kit?
a. scissors
b. bandage
c. cotton
d. all of these
50. Direction(Qs.1 to 4) Read this passage and
answer the questions given below .
Asteroids are the minor planets and are also
called planetoids. They could not combine to
form planets.Comets have a long tail and are
also called dirty snow ball. When we see some
strike of light in the sky these are meteors which
52. What should we not do in the case of a
fracture?
a. Try to move that part
b. Rest the part
c. See the doctor
d. none of these
when enter into the earth's atmosphere due to
gravitational pull catch fire due to friction with air.
53. We should sit in a cool place When_______.
a. we are shivering
1.Asteroids are____planets.
a.Medium
b.Minor
b. there is a fracture
c. There is a nose bleed
d. A snake has bitten us
c.Major
d.Huge
54. Arrange the steps in chronological order When
you need to give first aid in case of burns.
2.Asteroids are also called______.
a.Planets
b.Planetoids
c.Both
d.None of these
A. pour cold water on the burnt area
B. cover the burnt area after applying some
ointment meant for burns.
C. some times you may get blisters when look like
packets of water.
a. ABC
3.Which heavenly body is called dirty snow ball?
a.Asteroids
b.Comets
b. BCA
c. CBA
d. none of these
c.Meteors
d.Planets
55. Nose:Respiratory system :: Mouth:__________
a. Respiratory system
4.The strike of light in the sky is of:
a.An asteroids
b.A comet
b. Digestive system
c. circulatory system
d. nervous system
c.A meteor
d.Sun
Page No. 6
56. The citrus fruits given below are and execellent sourses of one of the vitamins, which vitamins
are these fruits rich in?
a.A
b.B
c.C
d.D
57. Read the statements carefully and choose correct option:
A: Adult human body has over 500 bones.
B: Adult human body has 32 teeth
a.Only statement A is true
b.Only statement B is true
c.Both A and B are true
d.Both A and B are false
Page No. 7
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