National Science Olympiad Forum By SOF Olympiad Trainer - Page 302

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Aayush Reddy Bomidika from Delhi Public School Nacharam, Hyderabad

Subject :NSO Class : Class 6

Seema has been asked by her teacher to tell one main characteristic of each of the three planets Venus, Jupiter and Saturn, so that these can be distinguished from other planets. Which one of the following option is correct?

AVenus : next to Earth, Jupiter : smallest planet, Saturn : farthest from the Earth
BVenus : smallest planet, Jupiter : brightest planet, Saturn : having rings
CVenus : brightest planet, Jupiter : biggest planet, Saturn : having rings
DVenus : biggest planet, Jupiter : having rings, Saturn : next to Earth

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Ans 1:

Harshil from Pawar Public School, PUNE

Class : Class 6

c is the answer

Ans 2:

Deekshithaa K from Good Shepherd Public School, Sriganganagar

Class : Class 6

Ans 3:

Deekshithaa K from Good Shepherd Public School, Sriganganagar

Class : Class 6

Ans 4:

Siddhartha from Gyanfort school, Farrukhabad

Class : Class 6

Answer is C

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Shreya from HIS , Chennai

Subject :NSO Class : Class 5

Which of the following is not a migratory bird?

A
B
C
D

the picture is not so clear

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Ans 1:

ritvik from VIDYA SHREE INTERNATIONAL SCHOOL rohtak, rohtak

Class : Class 6

Ans 2:

samanvay sinha from School of India, Bangalore, bengaluru

Class : Class 5

Ans 3:

samanvay sinha from School of India, Bangalore, bengaluru

Class : Class 5

Ans 4:

Alina Chattopadhyay from Tagore International School, Vasant Vihar, New Delhi, South Delhi

Class : Class 6

D should be correct

Ans 5:

Kunal Mishra from DPS KALINGA, BHUBANESWAR

Class : Class 7

Ans 6:

Alina Chattopadhyay from Tagore International School, Vasant Vihar, New Delhi, South Delhi

Class : Class 6

since when do ducks migrate?

Ans 7:

Dushyant Singh from Shri Ram Centennial School, Indore

Class : Class 6

C IS NOT A MIGRATORY BIRD.

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SPRIHA SINGH from KV BEML Nagar, KGF

Subject :NSO Class : Class 3

I make nest with stones and pebbles and live in a very cold place. I am a good swimmer but cannot fly. Who am I?

A
B
C
D

The correct answer is C.

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Ans 1:

Ava from trio, bangalore

Class : Class 2

Penguins cannot fly but are good swimmers.Penguins live in cold places and make a nest using stones and pebbles.

Ans 2:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA

Class : Class 7

Ans 3:

Shruti from ,

Class : Class 1

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swetha gokul from srivijay vidhyashram , dharmapuri

Subject :NSO Class : Class 5

Find P + Q + R + S, so that the sum of all the numbers along each line is 15.

A 28
B 27
C 24
D 23

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Manasvi Nagpal from blooming dales international school, sri ganganagar

Subject :NSO Class : Class 5

Vijay performed an experiment to compare the heat conductivity of four different materials P, Q, R and S. Thumbtacks were fixed with wax on each material and then the materials were fixed to a trough containing hot water as shown in the diagram.

Vijay tabulated his results as shown here.

What can be inferred from his experiment?

A Material R is a better conductor of heat than material S.
B Material S is a better conductor of heat than material R.
C Material Q is a better conductor of heat than material P.
D Materials P, Q, R and S are equally good conductors of heat.

ans is a

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Ans 1:

Pratham Dave from GNS, Bangalore

Class : Class 7

Ans 2:

Saipriya from Sankara, Chennai

Class : Class 8

my kids some people get confused but correct is A

Ans 3:

Vihaan from Dhirubhai Ambani International School, Mumbai

Class : Class 5

Ans 4:

Dhrishaj from Kendriya Vidyalay, IISc, Bangalore

Class : Class 6

very silly

Ans 5:

Student from School, City

Class : Class 8

What Are P, Q, R
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                                                                                                                        <textarea class="form-control" id="editAnsPostMessage" name="editAnsPostMessage" rows="10">Answer is A, I think

Adhrith Ballakur from SKCH, Bangalore

Class : Class 7

Answer is A, I think

Ans 7:

Manasvi Nagpal from blooming dales international school, sri ganganagar

Class : Class 5

ans is a

Ans 8:

Amber Nikhil Nadkarni from dps, Chandigarh

Class : Class 2

Ans 9:

Dhrishaj from Kendriya Vidyalay, IISc, Bangalore

Class : Class 6

How ?

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Aarav chandak from Witty internatioal school, Bhiwara

Subject :NSO Class : Class 5

The given set-up shows separation of impurities from water. Select the correct option for figure. Process P Q A Distillation Water + Salt Pure water B Evaporation Water + Mud Mud C Filtration Water + Salt Pure water D Sublimation Water + Sugar Water

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Manasvi Nagpal from blooming dales international school, sri ganganagar

Subject :NSO Class : Class 5

Which of the following would you use to join X and Y in the circuit below so that the bulb lights up?

A An aluminium rod
B A plastic spoon
C A woollen string
D An eraser

answer is a because an aluminium rod conducts electricity well

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Ans 1:

TANVI DAS from GAIL DAV Public School , Dibiyapur

Class : Class 8

Answer is A as aluminium is a conducter, i.e. it conducts electricity and heat well.

Ans 2:

Vivaan from RN podar chool, Mumbai

Class : Class 5

yes the genius has replied correctly AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Ans 3:

Manasvi Nagpal from blooming dales international school, sri ganganagar

Class : Class 5

ans is abecause an aluminium conducts electricity well

Ans 4:

Rimi from TLISK, pune

Class : Class 9

o meri chandni

Ans 5:

Satvik Agrawal from Delhi Public School, bhopal

Class : Class 5

aaaaaaaaaaaaaaaaaaaaaaaaaaaaa

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Dhruva from VSSIPS, Bangalore

Subject :NSO Class : Class 7

The given box shows some adaptations shown by different animals. Which of the following options correctly classifies these adaptations in accordance to desert region and polar region?

--------Desert region--Polar region
A(i)----------------(ii), (iii), (iv)
B(i), (iv)----------------(ii), (iii)
C(i), (iii), (iv)----------(ii)
D(ii), (iii)----------------(i), (iv)

This is definitely wrong. Animals of the desert region (mainly camel) produce less urine so that they donât dehydrate themselves. How is the answer option C.????

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Dhruva from VSSIPS, Bangalore

Subject :NSO Class : Class 7

The given diagram shows the splitting of white light into its seven component colours when white light is passed through the prism.

Which of the following options correctly lists the colours of the marked rays?

--------1----------2----------3--------4
AViolet---Blue---Yellow---Red
BViolet---Orange---Green---Red
CRed---Yellow---Blue---Violet
DRed---Green---Orange---Violet

It actually has to follow the principle of VIBGYOR so option 1 has to be right

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Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Subject :NSO Class : Class 4

Which one of the following appliances changes electrical energy into both light and sound energy?

AIron
BRoom-heater
CTelevision set
DTube light

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Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi

Class : Class 7

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