National Science Olympiad Forum By SOF Olympiad Trainer - Page 332
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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1:

SAGNIK from springdale primary school , kolkata
Class : Class 4

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Human adults have 4(P) types of teeth in their dentition. These are Incisors(Q), Premolars(R), Canines(S) and molars. Incisors(Q) helps in cutting or biting food. There are 4(T) Incisors(Q) in each jaw. Premolars(R) teeth are absent in milk teeth set but there are 8(U) such teeth in permanent teeth set. Canines(S) are four in number and helps in Tearing(V) food.


Ans 3:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
NA

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1:

PARTH MEHTA from Navrachana school, Vadodara
Class : Class 6
Answer shud be d

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


Ans 2:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 6
Answer b will be the correct answer as mosquito is not a social insect while others are termite is not useful insect and honey bee is a useful insect

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ISHAN DAS from DELHI PUBLIC SCHOOL , ANGUL
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
THE ANSWER C

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Naman from Uis, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Shivesh Dan from BAL BHARATI PUBLIC SCHOOL, NOIDA
Class : Class 3
correct answer C because candles, sun, torches, diya, and bulbs are luminous objects and if we count them, there are five luminous objects.

Ans 2:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
the correct answer will be c

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Shreya Sudarshan from Creaa academy for learning , Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 10
this was ez

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
B

Ans 3:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
rrrrrrrrrrrrrrrrrrr

Ans 4:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

Ans 5:

Yashraj from pps, pune
Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Rahul and Ravi both cover different distances XOY and XY respectively at the same time. It is clear from the figure  that the distance XOY is longer than distance XY .So, the speed of Rahul must be greater than that of Ravi.


Ans 7:

Sarang Shete from Amanora School, Pune
Class : Class 8
b'

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Arun from st thomas public school, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
C

Ans 2:

Pranav Kartik from DPS sushant lok , Gurgaon
Class : Class 3
C

Ans 3:

Pratheek from Null, Null
Class : Class 4

Ans 4:

Maanasa from Billabong high, Chennai
Class : Class 7
Answer is d

Ans 5:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is C . As you can see the electrons move from negative termina to positive terminal .the short line of battery shows that it is negative terminal and as you know that rubber is insulator of electricity so the electrons could not pass through bulb b¹.

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Deeptajit Roy from Gems Modern Academy, Dubai
Subject :NSO    Class : Class 6

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Anika Agarwal from Greenwood High International School, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Aviraj Gupta from Lotus Valley International School Gurgaon, Gurgaon
Class : Class 3

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Raju's grandfather has weak eyesight and cannot see without spectacles. He has lost his spectacles. So, he cannot read the telegram and newspaper, and he cannot see the visuals on TV. But he can hear the voices on Transistor and TV, and keep himself updated.


Ans 3:

Advik Daga from Global Edge School, Hyderabad
Class : Class 4
Correct ans is C

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Labonyo Sen from Calcutta Girls High School, KOLKATA
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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