National Science Olympiad Forum By SOF Olympiad Trainer - Page 633
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Nilanjana De from Delhi Public School North, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Praveen kumar from GD DAV Public school Bhandarkola Deoghar, deoghar
Class : Class 8
option B because of expansion the contact point get diverted

Ans 2:

Praveen kumar from GD DAV Public school Bhandarkola Deoghar, deoghar
Class : Class 8
option B because of expansion the contact point get diverted

Ans 3:

Vedang Darbari from Shiv Nadar School, Noida
Class : Class 8

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RISHIRAJ SONI from DELHI PUBLIC SCHOOL,RAIPUR, Raipur
Subject :NSO    Class : Class 6

Ans 1:

swapnil bhowmik from thakur public school, mumbai
Class : Class 6
not all physical changes are reversible

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Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

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Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
d

Ans 2:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 9
d

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 4:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
D

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Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
A IS RIGHT ANSWER

Ans 3:

suvanjot from spring dales, amritsar
Class : Class 4
B SHOULD BE THE RIGHT ANSWER BECAUSE WE ARE PLOTTING NO. OF DEATHS AND NOT NO. OF ORGANISMS...SO AS THE AMOUNT OF REFUSE INCREASES THE NO. OF DEATHS WILL INCREASE TILL ALL THE ORGANISMS DIE AND THUS THE DEATHS DECEASE

Ans 4:

Rachel from Mount litera Zee School Goa, Goa
Class : Class 7
Could somebody explain the meaning of the question.

Ans 5:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4
A is write suvanjot check solution

Ans 6:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9
Please tell the answer of this question

Ans 7:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
Roshni is right

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Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Ans 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5

Ans 3:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4
how????????????

Ans 4:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
C

Ans 5:

niyati from kv 2, delhi
Class : Class 4

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Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
A

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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from Dav public school brs nagaR ludhiana, LUDHIANA
Subject :NSO    Class : Class 4

Ans 1:

Nishchita from Gems Modern Academy , Dubai
Class : Class 8
I think the answer is C

Ans 2:

Anay Shah from City Pride School, Pune
Class : Class 5

Ans 3:

aarush from A p international school, thane
Class : Class 4

Ans 4:

Aneesh Rajput from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 5

Ans 5:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5

Ans 6:

TRINABH PANDA from NPSI, Chennai
Class : Class 6

Ans 7:

yashmit singh from la blossom school, jalandhar
Class : Class 6
What the fuck

Ans 8:

yashmit singh from la blossom school, jalandhar
Class : Class 6
Answer is fuck

Ans 9:

Amogha from Hindustan international school, Guindy, Chennai
Class : Class 8

Ans 10:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6
I didn't understand this . What does it mean ???

Ans 11:

Student from School, City
Class : Class 8

Ans 12:

shreyansh2010 from Prudence, New Delhi
Class : Class 7

Ans 13:

shreyash rawat from podar international school, pune
Class : Class 8

Ans 14:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
aahana, do you know the ring of fire? if you do , you will know the answer

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sambodhi roy from CPS, Nagpur, Nagpur
Subject :NSO    Class : Class 5

Ans 1:

Anika Sachan from KKIS, Singapore, singapore
Class : Class 1

Ans 2:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5

Ans 3:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
i dont understand

Ans 4:

Dvij Agrawal from Lotus Valley International School, Gurgaon
Class : Class 5
if they contract it moves up and if they relax then arm moves down so both are correct right?

Ans 5:

Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Class : Class 8

Ans 6:

Sachi Swarup from Vibgyor HIgh , Hinjewadi Phase 1 , Pune ,, Pune
Class : Class 5
I dont think the answer is D , it should be C

Ans 7:

Ishaan Singh from BBPS, Gurugram
Class : Class 9

Ans 8:

Aarav Deshmukh from DY Patil International School, Pune
Class : Class 5
mvidfopgu0rippppppppppppppppppppppppppgfnm

Ans 9:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
p and q are the same muscles.

Ans 10:

Mannan from Sherwood High, Bengaluru
Class : Class 7
why

Ans 11:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5
option D is correct

Ans 12:

Aarav Deshmukh from DY Patil International School, Pune
Class : Class 5
knowning from 3rd class

Ans 13:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
i understood after seeing the solution

Ans 14:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
D

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Debeesmita Lenka from DAV PUBLIC SCHOOL CHANDRASEKHARPUR, BHUBANESWAR
Subject :NSO    Class : Class 5

Ans 1:

Dhrishaj from Kendriya Vidyalay, IISc, Bangalore
Class : Class 6
Yeah Bro

Ans 2:

Dhrishaj from Kendriya Vidyalay, IISc, Bangalore
Class : Class 6

Ans 3:

Biju Pappachan from Rkc , Raipur
Class : Class 1
The correct ans is C. U will understand very clearly from the solution

Ans 4:

Sachi Swarup from Vibgyor HIgh , Hinjewadi Phase 1 , Pune ,, Pune
Class : Class 5
The answer is C because c is floating and e is sinking and object d is in between of these two. So d should weigh between 52 and 72 grams.

Ans 5:

Koustavi Chakraborty from DELHI PUBLIC SCHOOL, PUNE
Class : Class 5
answer is c ...64 g ...its the correct one.

Ans 6:

Syeda Aleeza Zaidi from Somerville school Noida , Noida
Class : Class 5
answer is c because 52g is lighter than 64g and 75g is heavier than 64g. therefore, answer is c

Ans 7:

Inosuke from Dps, Belgaum
Class : Class 5
answer is c because they all are in order of 1 to 7 so the weight must be between 52 and 75

Ans 8:

Tanishka Laha from Euroschool, Bengaluru
Class : Class 5
35 and 48 g are lighter than 52 and 75 g, and 80 g is heavier than 52 and 75 g. Therefore, the answer is C, 64 g.

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