nso-level2-class-3-set-3.pdf

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Roll No. DO NOT OPEN THIS BOOKLET UNTIL ASKED TO DO SO Total Questions: 35 Time: 1 hr. CLASS SET-3 3 Guidelines for the Candidate 1. You will get additional ten minutes to fill up information about your- self on the OMR Sheet, before the start of the exam. 2. The Question Paper comprises two sections, Science (30 Questions) and Achievers Section (5 Questions). Each question in Achievers Section carries 2 marks, whereas all other questions carry one mark each. 3. All questions are compulsory. There is no negative marking. Use of calculator is not permitted. 4. Write your Name, Roll No. and Class clearly on the OMR Sheet and do not forget to sign it. 5. There is only ONE correct answer. Choose only ONE option for an answer. 6. To mark your choice of answer by darkening the circles in the OMR Sheet, use an HB Pencil or a Blue/Black ball point pen only. E.g. Q.16 : Raj goes to school on a bicycle. Which of these safety rules he should follow? A. He should give signals before taking turns. B. He should keep to the right of the road. C. He should cross the road by using zebra crossing. D. All of these. As the correct answer is option A, you must darken the circle corresponding to option A in the OMR Sheet. 7. Rough work should be done in the blank space provided in the booklet. 8. Return the Question Paper and OMR Sheet to the invigilator at the end of the exam. Copyright © 2015 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only. Level-2 SOF NATIONAL SCIENCE OLYMPIAD 16. C D A B

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Page 1: nso-level2-class-3-set-3.pdf

Roll No.

DO NOT OPEN THIS BOOKLET UNTIL ASKED TO DO SO

Total Questions: 35 Time: 1 hr.

CLASS

SET-3

3Guidelines for the Candidate

1. Youwillgetadditionaltenminutestofillupinformationaboutyour-selfontheOMRSheet,beforethestartoftheexam.

2. TheQuestionPapercomprisestwosections,Science (30 Questions) and Achievers Section (5 Questions).

EachquestioninAchieversSectioncarries2marks,whereasallotherquestionscarryonemarkeach.

3. Allquestionsarecompulsory.Thereisnonegativemarking.Useofcalculatorisnotpermitted.

4. WriteyourName, Roll No. and ClassclearlyontheOMR Sheet and do not forget to sign it.

5. Thereisonlyonecorrectanswer.ChooseonlyONEoptionforananswer.6. TomarkyourchoiceofanswerbydarkeningthecirclesintheOMR

Sheet, use an HB Pencil or a Blue/Black ball point pen only.E.g.Q.16 : Rajgoestoschoolonabicycle.Whichofthesesafetyruleshe

should follow?A. Heshouldgivesignalsbeforetakingturns.B. Heshouldkeeptotherightoftheroad.C. Heshouldcrosstheroadbyusingzebracrossing.D. Allofthese. AsthecorrectanswerisoptionA,youmust

darkenthecirclecorrespondingtooptionAin the oMR Sheet.

7. Roughworkshouldbedoneintheblankspaceprovidedinthebooklet.8. ReturntheQuestionPaperandOMRSheettotheinvigilatoratthe

endoftheexam.

Copyright © 2015 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only.

Level-2SOf NAtiONAl SCieNCe OlyMPiAd

16. C DA B

Page 2: nso-level2-class-3-set-3.pdf

2 Class 3 | level-2

SCieNCe

1. Select thecorrectoptionwhichonunscramblinggives thenameofananimal thatgnawtheir food.

A. WAERTOMHR B. QUSOTIOM C. QUSRIERL D. PLEHEATN

2. Meetuwasaskedtolabelthepartsofaplant.Shelabelledthemas shown in the figure. Select the correct statement regardingthe labelled parts.

A. Stemwas labelled correctlywhile rootwas incorrectlylabelled.

B. Bothbudandrootwerecorrectlylabelled. C. Leafwaslabelledincorrectly. D. Bothfruitandflowerwerelabelledincorrectly.

3. The given figures show four different fruits. Which of the following plants will NOTreproduce by seeds?

A. B. C. D.

4. Howmany food chains are there in this foodweb? A. Two

B. Four

C. Five

D. Six

5. Select the INCORRECT statement. A. BluewhaleisbiggerthanthelargestdinosaurthatlivedontheEarth. B. Ababywhaleiscalledacub. C. Amotherwhalefeedsmilktoitsbabyunderthewater. D. Alargewhalecaneat1.5tonnesoffoodeveryday.

SPACe fOR ROUGH WORK

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Class 3 | level-2 3

6. SelecttheINCORRECTmatchforthefunctionperformedbybeaksofthegivenbirds.

A. —Helpsincrushinggrainsandseeds.

B. —Helpstotapthebarkoftreesandtakeoutinsects.

C. —Helpsincrackingnutsandhardfruits.

D. —Helpsintearingflesh.

7. Iamknownasthehelicopterofthebirdworld.Iamtheonlybirdthatcanalsoflybackward.Who amI?

A. Tailorbird B. Weaverbird C. Hummingbird D. Swallow

8. Fivestudentsmadethefollowingstatementsaboutbirds. Divya : Bird'sbodyismadeupofhollowbones. Arpita : Allbirdscanfly. Diksha : Mostbirdslayeggs,whilesomegivebirthtoyoungones. Prince : Birdsuseteethtoeatfood. Ashish : Somebirdseatfleshwhilesomeeatgrains,seedsandfruits. Whichamongthefollowingmadefalsestatementaboutthebirds? A. Divya,PrinceandAshishB. B. Arpita,DikshaandPrince C. Divya,DikshaandArpita D. Arpita,DikshaandAshish

9. Thefooditemshowninthefigurebelongstothegroup'X'.Whichofthefollowingstatementsistrueforthisgroup?

A. Itisbodybuildingfood. B. Itkeepsushealthyandfreefromdiseases. C. Itcangetstoredinformofenergyinthebody. D. Itdoesnotprovideusenergybuthelpsindigestionoffood.

SPACe fOR ROUGH WORK

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4 Class 3 | level-2

10.Howmany food items are hidden in the givenword grid?

S U G A R MG F H U A IM M e A T LW K e G G KB A n A n A

A. Six B. Seven C. Eight D. Nine

11. Study the given flow chart carefully.Wherewould nylon andwool be placed?

Nylon Wool

A. P Q

B. Q P

C. R S

D. P R

12.Which of the following is a temporary house?

A. B. C. D. Allofthese

13. Which of the following is correct about the place shown in the picture?

A. Itisaparkingzone.

+ EMERGENCY

+P

++ EMERGENCY B. Honkingisnotallowedhere.

C. Postofficeisneartothegivenplace.

D. none of these.

SPACe fOR ROUGH WORK

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Class 3 | level-2 5

14. Whichofthefollowingvehiclesisusedtocarryaccidentvictims?

A. B. C. D.

15. The given figure shows the human digestivesystem.Inwhichlabelledpartdoesthecompletedigestion of food takes place?

A. P

B. Q

C. R D. S

16. Select the INCORRECT option. A. Digestivesystem—Largeintestine B. Skeletalsystem—Skull C. Circulatorysystem—Heart D. Nervoussystem—Nostril

17. Select the option which on unscrambling gives the name of an organ used to tastedifferent food items.

A. GOTUNE B. EOSN C. ADNH D. MTSOCAH

18.What happenswhenMoon, Earth and the Sun come in a straight line ? A. EclipseoftheMoon B. EclipseoftheSun C. FullMoonphase D. Meteorshowers

19.Rohanwaswatchingashipsailinginthesea.Heobservedthatwhenashipsailedawayfrom theshore, itgetsdisappeared fromsight inparts.Firstly thehullgetsdisappearedfollowed bymiddle part and themast (flag pole).What can be inferred from this?

A. Seaisflatinshape. B. Earthissphericalinshape. C. EarthrevolvesaroundtheSun. D. Earthisflatinshape.

SPACe fOR ROUGH WORK

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6 Class 3 | level-2

20. Identify the constellation shown in figure X. A. Leo B. TheBigDipper C. UrsaMajor D. Scorpius

21. Study the given diagram carefully and identify X and Z. X Z A. Cardboard,Paper Rubberband B. Papertowel,Pencil Cardboard C. Cottoncloth,Tissuepaper Swimsuit D. Rubberband,Plasticbag Sponge

22.Which among the following clocks is INCORRECTLY pairedwith its name?

A. —Pendulumclock B. —Hourglass

C. —Watch D. —Digitalclock

23. 'X' is a strong andwaterproofmaterial.Which of these can bemade from 'X'? A. Raincoat B. Tissuepaper C. Sponge D. CottonT-shirt

24.Risheeplacedacupcontainingicecubesonthetable.After20minutes,henoticedthattheicecubesweremeltinginthecupandthereweredropletsofwaterontheoutersideof the cup, dripping on the table. These droplets of water are a result of __________.

A. Evaporation B. Freezing C. Melting D. Condensation

25. Rohansetupanexperimenttostudythepropertiesoflightasshown.Hecannotseeanylightfromthetorch.Whatphysicalpropertyoflightisinferredfromthis?

A. Lightreflectsback. B. Lightfromthetorchistoofarfromhiseye. C. Lighttravelsinastraightline. D. Lightfromthetorchisnotbrightenough.

SPACe fOR ROUGH WORK

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Class 3 | level-2 7

26. Astronautsusewalkie-talkiesfortalkinginthespace.Whichamongthefollowingisthecorrectexplanationforthis?

A. Soundcannottravelinvacuum. B. Soundcannottravelintheair. C. Astronautswearsoundproofhelmets. D. Noneofthese.

27.Rohit placed a teacup in between a lit torch and thewall.

Lit torch Teacup Wall

Whichoneofthefollowingis likelytobetheshadowofteacupthatRohitwouldobserveonthe wall?

A. B. C. D.

28.Mohittriedtopushastoolbutfailedtomoveit. Whichofthefollowingcouldbeareasonforit? A. Theforceofpushisgreaterthanthefriction. B. Theforceoffrictionisgreaterthantheforceofpush. C. Mohitisnottallenoughtopushthestool. D. none of these

29. The given figure shows two gases used by the plants and animals during night.Whichof these can be X,Y and Z?

XYZ XY

Z

Night

A. Oxygen Oxygen Carbondioxide B. Carbondioxide Oxygen Oxygen C. Carbondioxide Carbondioxide Oxygen D. Oxygen Carbondioxide Oxygen

30.Which of the following weather conditions would make you put on both raincoat andgumboots?

A. B. C. D. BothAandCACHieVeRS SeCtiON

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8 Class 3 | level-2

ACHieVeRS SeCtiON

31.WhichofthefollowingcanhappentowaterafteritfallsontheEarth? 1. Itevaporates. 2. Itbecomeextinct. 3. Itwillnotbeavailabletoplants. 4. Itseepsintotheground. 5. Itrunsoffintolakesandrivers. A. 1,2and4 B. 2,3,4and5 C. 1,2,4and5 D. 1,4and5

32.Readthegivenconversationbetweentwofriendscarefullyandcompletethesentencethatfollows.

Tina:Thetemperatureisverylowinthisseason.Pinki:Peoplewearglovesandsweaters.

Theyaretalkingabout__________season. A. Winter B. Summer C. Spring D. Autumn

33. SelecttheINCORRECTstatementfromthefollowing. A. Humusmakesthesoilinfertile. B. Waterexistsinthreeforms. C. Movingairisalsocalledwind. D. Clayeysoilisusedtomakepots.

34. Lookatthefollowingfiguresandselectthecorrectoption.

1. (a)isanundergroundstem. 2. (c)isfoodstorageorganoftheplant. 3. Weeatstemof(d). 4. (b)storesfoodintheroot. A. 1and3 B. 2and3 C. 3and4 D. 1and2

35.

Selectthecorrectoptiontofilltheemptyspacesa,b,canddinthegivenflowchart. a b c d A. smallintestine bone bloodvessels skin B. mouth muscle tongue lungs C. heart kidney windpipe ears D. foodpipe muscles nerves nose

SPACe fOR ROUGH WORK