NSO-2012 CLASS 3.pdf

,:' r... l' 'jliil 3. 4. 5. 6.

2. The paperconsistsof two seotiohs ;

Mental Ability ( 1 OQuestions) and Science (25 Questions).

Allquestions are compulsoryandcarryequal marks.There is ng negative,r.narking. Useof calculatoris notpermitted. WriteyourName, Roll No., and.Classclearlyon theAnswerShe}tand do notforgettosign.

There is only one cor!'ect answer hence mark one choice only.

Darken your choice with HB Pencil or Blue / BIack Ball Point Pen only. For Example :

Q.16 : Which of the following is NOTtrue aboutthe Sun?

(A) lt looks bigger because it is the only big starfound in the galary.

(B) ltismadeupofahugemassofveryhotgases. _i]

(C) lt provides heat and light energyforthe living things to.survive on Earth.

16.o@o@

(D) lt is not safe to look directly at the Sun with our naked gyes.

As the correct answer is option (A), the candidate should darken the cjrcle conesponding to option (A).

7. Rough work should be done in the blank space provided in this booklet.

8, Returntheanswersheettotheinvigilatorattheendoftheexam.Thequestionpapercanberetainedbythestudent.

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Ybur Roll No.

SCIEI{CE OLYMPIAD FOUI{DAIIOl{

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Admin. 0llid' Plot No. 99,Sedor 44, Gurgoon-I22 003 (tlR)

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Regd. offfce : B-8, Toi Aprrtmenl, Ring Rood, New Delhi- 29.

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ffire

NATIONAL SCIENCE OTYMPIAD

DO NOT OPEN THIS BOOKLET UNTIL YOU ARE ASKED TO DO SO

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sgn _I 15th NSO _I Levet-t _I etass 3

i.

The nurnber of triangles in the

(A) 15

(Bl

14

(c) 22

(D) None of these

given figure is

2.

The shortest distance from Jaya's house

to

the

school is through

(A) Mall

(B) Temple

(C) Park

(D) Priya's House Jaya's House

3.

Beena's class teacher wants

to

make

right angles. The tile which _{appears to}

(A) F only

(B) H only

(C) G only

(D) I only

She asks

for

a tile with

is

pattern with tiles.

have right angles

o

4.

Multiply P, Q, R, [P

x

r]

(A) 1007

(c)

1070 the values

S,TandU

+lU:f]+

given in and then

lR+s+

(B) 1700 (Dl 1270 Column

_{Y by}

₁₀

find the value of

ot.

and 100

_to

identify the value of

SPACE FOR ROUGH WORK

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Set-B

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15t' NSO I Level-l I Class 3 | StF

5.

Garima helped her teacher to count the number of toys with all the students. She'made

a bar graph to show the toys that the students have.

Howmany moretrucks haveto be collected

to

make

it

equal

to

the total number of

games, cars and dolls?

(A) 6 (B) 10 (c) 7 (D) 5 11 3-12 P10 E8 L

t6

_E1 a z2 0

6.

Megha's plane arrived

at

6

p.m. The plane was

3

hours late

and the given clock is

I

hour slow. The correct time shown by

the clock when plane must have arrived (lf there was no delay)

is

(A)4:30p.m.

(C) 3 p.m. (B) a p.m. (D) 1 p.m. 12 6

7.

The rectangle on the given grid shows the

size

of

pond in the citY _Park.

tlYhat

is

the difference between the area of

pond and park ?

(A) 11 square feet

(Bl 22 square feet

(C) 28 square feet

(Dl 44 square feet Scalel Areaof

1I

=lsquarefoot

8.

priya counled the number of flowers in two parks. There were (3 tens x g ones)

flowers in the

first

park and (55 ones

x

9 ones) flowers in the second park. How

many total flowers were there in two parks?

(A) 718 (B) 5e0 (c) 765 (D) 760

SPACE FOR ROUGH WORK

7 _>4=

40

x1

) 7

n

270

(qe

*---?{9

450

+4s

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sqr

_I lsth NSO _t Levet-t _I Ctass 3

9.

Using all the digits 3, 1,

0

and 2

(A)

1023

(B) 1230

E

form the smallest 4-digit even number.

(c)

1032

Set-B

(D) 3210

l0-

Riya prepared a tabte and picture graph to show the number of chocotat*=

(O

her friends have. Find the value

ol

P and

_e

respectively.

@t2,f,-t-t")f,tftt,,

(c)

ftftta,,

(D)1,-tftf

Table Picture Graph

11. llYhich of these birds feet has talons?

12. Sheetal has taken an empty botfle and fixed a

deflated balloon on its mouth. She placed the botfle

in a container filled with hot water. After sometime,

the balloon gets inflated as shown. What could be

the most appropriate reason for this?

(A) _{Air when gets heated becomes heavier and rises up.}

(B) _{Air when gets heated becomes lighter and setfles down.}

(C) Air when gets heated becomes heavier and setfles down.

7 J l i i l )

l

(D) _{Air when gets heated becomes lighter and rises up.}

13. select the coRREcr option retated with the given pattern.

NEST

:

CHEST

:

:

HEART

:

GART

(A)

(c)

THIN:CHIN::

DUMB : THUMB

CHEST :

CHECK

(B) SYDNEY : KIDNEY : : KNEE : SEE

: : TONGUE :

LUNG

(D) ICE : EyES : : NOSE : TOES

Set-B

14. When

ire

see more

(A) Gibbous Moon

than half of the

(B) New Moon

E

Moon, it

(c)

15th NSO _I Level-l _I Class 3 lSgF

is called

Crescent

Moon

(D) Full Moon

15. ln the given picture, a road sign is shown to

indicate speed breaker. What other road sign

should also have been Placed there?

(A)a

(c)

J&

A

A

(B) (D)

16. Latika has a block and a pebble. She placed each of

them in a measuring cylinder containing some volume

of

water, and found

the

given results. What

is

the

volume of water?

(A) a0 mL

(C) 30 mL

17. Which of these is the most appropriate precaution to avoid diseases like malaria,

dengue and chikungunYa?

(A) The rooms of house should be airy and well-lit.

(B) Doors and windows should be fitted with wire-netting.

(C) Garbage must be thrown in a proper dumping place.

(D) Curtains must be washed regularly.

18. What does the given picture show?

(A) Plants grow towards ground.

(B) Plants grow towards light.

(C) Plants grow towards fresh air.

(D) Plants grow towards shade.

SPACE FOR ROUGH WORK

(B) (D) 100 mL 50 mL

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lt:l:ll

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60 ml 90

ml

70 ml

s@'r ₁ 15th NSo _{t Levet-t I Ctass 3}

19. Study the given _flowchart

E

Set-B

Cotton and metal

(A) P, O

@

are represented

(B) Q, R

by the letters _and

(c)

Q, S _{(D) R,} respectively. S carefully. hange?

ffi

seous exc the role of ga

(c)h

(A)

20. Which _{of the following plant parts plays}

(D)

21. which of the foilowing _{stages can be praced in the nox}

_p

of the given life cycle?

(A)"**

_€)@

(c)@

_t,)ffi

/@\

/\

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\*1

22.

ln

which

of

these

process _{of making food?}conditions,

the

potted plant would be able to carry out the

Placed in fully enclosed wooden cupboard \l /

-o-

/t \ (D) errlr+rh Dry soil in the pot are smeared with vaseline **

G)

ffi

_{,.,ffi,,"ffi*}

SPACE _{FOR ROUGH WORK}

l

l

T

Set-B

a

_{15th NSO}

I Levet-t I Ctass 3 ISWF

23. which of the following animals are examples _{of omnivores?}

1.

Bear (A) 3 only

2.

Man (Bl 2 and 4

3.

Crocodile (C) 1 and 2

4.

Horse (D)

_1,2,3

and4

24. Select the CORRECT option to

fill

the empty boxes of the given ftowchart.

(A) Turnip and Radish

(B) _{Sugarcane and Carrot}

(G) _{Cabbage and Spinach}

(D) Potato and Sugarcane

25. Which one of the following match is CORRECT?

(A) Stem

_-

Absorbs water and mineral salts

(B) Roots

_-

_{Transport water and mineral salts to.all parts of the plant}

(C) Seeds

-

Grow into new plants

(D) Leaves

_-

Absorb water fom air

26. A person _{who installs and repairs pipes, taps, etc. for water and drainage is}

known

as

_{_.}

(A) Architect (B) Plumber (G) Mason (D) Carpenter

27. The respiratory system in human consists of

1.

Nose (A) 1 and 2

2.

Heart (B) 2 and 3

3.

Lungs (C) 1 and 4

4.

Wind pipe (D) 1, 3 and 4

28. which _{of the following food items are protein-rich foods?}

(A) 1 and 4 (Bl 2 and 3 (C) 1 and 3 (D) 3 and 4

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29. which of these methods

is

used

to

preserve food?

(A) Keeping the food at high

temperature.

(B) _{Keeping the food in water.}

(C) _{Keeping the food in open. (D) Salting and sugaring the}

food.

SPACE FOR ROUGH WORK

sqr

I 15th NSO _I Levet-t _I ctass 3

30. Select the CORRECT match.

(A) Caravan

(C) House boat

-31. Which of

the

following is

(A) Christmas-Santa Claus

(C) Guruparva-Colour (B) Kutcha house

-(D) Tent

-E

Set-B an INCORRECT match? (B) Diwati-Lakshmi puja (D) Dussehra-Effigies burnt

32. Select the odd one out.

33.

A

man

is

standing

in

the Sun as shown. Can

shadow, the approximate _{time of the} day?

(A) 9:00 a.m. (B) 12:00 noon (C) 6:00 p.m. (D) Cannot be predicted €

$

you

tell

from his

34. The given

figure

shows

a

cycle

change. What is X,

y

and Z?

of (A) (B) (c) (D)

x

Water Ice Steam Steam Y Ice Steam lce Water z Steam Water Water lce

35. We can slip on wet

is very little on wet

(A) Gravitational force

floor because a speeial force that slows down the movement

floor. What is that special force ?

(B) Frictional force (C) Pulling force (D) Pushing force