National Science Olympiad Forum By SOF Olympiad Trainer - Page 718
  1. Home
  2. /  Forum

User Forum

Ask Your Question
ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Kavyam Rustagi from Bloom Public School, Vasant Kunj, New Delhi
Class : Class 5
The corerect answer is b google also said it

Ans 2:

Reyansh Goel from NPS, KRM, Bangalore
Class : Class 5
the question is correct

Ans 3:

Sanskriti Nagar from Rose Bud Academy, khagaria
Class : Class 5
B

Ans 4:

Pratham Dave from GNS, Bangalore
Class : Class 7
B

Ans 5:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB

Ans 6:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10

Ans 7:

naman from PSBBM, Chennai
Class : Class 1

Ans 8:

Amreet Sinha from GIIS, Ahmedabad
Class : Class 5
(b) Planet Venus is the hottest planet in our solar system

Ans 9:

sarah pranav gothivarekar from Indian School Al Gubra, Muscat
Class : Class 4
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 10:

RAMAYANI PAKHARE from S M SHETTY HIGH SCHOOL, MUMBAI
Class : Class 6
B

Ans 11:

Ishani Gandhi from Lourdes convent school, Surat
Class : Class 6
The question is wrong

Ans 12:

Shrija Roy from Ryan international school icse, mumbai
Class : Class 7
B is the answer

Post Your Answer

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Pratham Dave from GNS, Bangalore
Class : Class 7
Yes Fareeha siddiqua the answer is D

Ans 2:

yathaarth from greenwood high, bangalore
Class : Class 5

Ans 3:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5
Venus and uranus rotate in clock wise direction but uranus is a gaseous planet so answer is D

Ans 4:

Haroon T K from Silver Hills public school , Calicut
Class : Class 5

Ans 5:

Gauransh Singla from DPS , Navi Mumbai
Class : Class 5
yes, it is d!

Ans 6:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
a

Ans 7:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 8:

Shrija Roy from Ryan international school icse, mumbai
Class : Class 7

Ans 9:

Saipriya from Sankara, Chennai
Class : Class 9
Yes Fareeha siddiqua the answer is D

Post Your Answer

akshith from ganges valley school, hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Tanishkchamp from Saint Francis English medium school, Bandikui
Class : Class 8
what is gggggggggg you are mad?

Post Your Answer

akshith from ganges valley school, hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Tanishkchamp from Saint Francis English medium school, Bandikui
Class : Class 8
you are fully mad ? 555

Post Your Answer

SAGNIK CHAKRABORTY from DELHI PUBLIC SCHOOL , KOLKATA
Subject :NSO    Class : Class 5

Ans 1:

Arghya Kashyap from Modern Delhi Public School, Faridabad
Class : Class 8

Ans 2:

Gauransh Singla from DPS , Navi Mumbai
Class : Class 5

Ans 3:

ARYAN DAS from LOKHANDWALA FOUNDATION SCHOOL, MUMBAI
Class : Class 8
how is it mechanical ????????????

Ans 4:

Syeda Aleeza Zaidi from Somerville school Noida , Noida
Class : Class 5
How it is d???Shouldn't it be c

Ans 5:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
mechanical

Ans 6:

Yashasvika from Euro World School, Sri Ganganagar
Class : Class 5
how???

Ans 7:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Mechanical force is the only correct answer .

Ans 8:

VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Class : Class 5

Ans 9:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 10
Mechanical Force

Ans 10:

Rohan TR from Sri Aurobindo memorial school, Bangalore
Class : Class 6
It is frictional force

Ans 11:

Atul Sanjeev from Indian School Al Ghubra, Muscat
Class : Class 9
how is it mechanical force?

Ans 12:

Daksh from RKC, Rajkot
Class : Class 8
How the answer is D . Mechanical force

Ans 13:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
mechanical

Ans 14:

Daksh from RKC, Rajkot
Class : Class 8

Ans 15:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
mechanical

Ans 16:

Pratham Dave from GNS, Bangalore
Class : Class 7
It is option C

Ans 17: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Mechanical Force.

Ans 18:

TRINABH PANDA from NPSI, Chennai
Class : Class 6
actually it is contact force .But SOF is mad so it said the wrong answer but the correct answer is CONTACT FORCE

Ans 19:

Aishee Sarkar from St. Stephens School , Kolkata , West Bengal, Kolkata
Class : Class 4
answer D

Ans 20:

VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Class : Class 5

Ans 21:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
how???????????????????????????????????????????????????????????????????????????is mechanical?????????????????????????????????????????????????????????????????

Ans 22:

Goutham Ram from Lecole' Chempaka International, Trivandrum
Class : Class 5
I was about to get 10/10 this 1 made me lose it.

Ans 23:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
Can somebody explain why it is mechanical force ????

Ans 24:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
It is mechanical

Ans 25:

SARVESH RAMESH from DPS MIS, QATAR
Class : Class 9

Ans 26:

Rudra Tripathi from DPS Noida, Noida
Class : Class 10
Mechanical force

Ans 27:

Vaibhav Elisetti from sri chaitanya techno school Nallagandla, Hyderabad
Class : Class 7
the corect answer is C

Ans 28:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10
How is it mechanical? Please explain

Ans 29:

Rimi from TLISK, pune
Class : Class 9
The answer given by SOF is wrong so they have not given the solution to this question.

Ans 30:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
how is it mechanical?

Ans 31:

Haroon T K from Silver Hills public school , Calicut
Class : Class 5
how?

Ans 32:

Thejas S from Gopalan International School, Bangalore
Class : Class 3
c is correct

Ans 33:

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

Ans 34:

Shriyann from Suniti Devi Singhania School, Thane
Class : Class 9

Ans 35:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 36:

Trideev Reddy Maddirevula from IIPS, Riyadh
Class : Class 7
push and pull are examples of mechanical force

Ans 37:

Biju Pappachan from Rkc , Raipur
Class : Class 1
I did C frictional force but SOF says it is D mechanical force. How is it mechanical force?

Ans 38:

Aaditva from Vasant Valley School, New Delhi
Class : Class 8
how??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Post Your Answer

NIRMAY JOSEPH from St Columba's School, New Delhi , New Delhi
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Ashher Pervez from DPS Bhilai, Bhilai
Subject :NSO    Class : Class 5

Ans 1:

Mannan from Sherwood High, Bengaluru
Class : Class 7
I think the right answer should be C as when the 3rd spray was conducted the pest started to increase hence right answer answer is CThank you for appreciating me

Ans 2:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7
C

Ans 3:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
b

Ans 4:

Bhavya from ABC, Delhi
Class : Class 7
it should be 'D' but SOF shows the graph is decreasing and increasing which is not possible. it is the wrong graph as this can't happen.

Ans 5:

Rimi from TLISK, pune
Class : Class 9
Answer is B akenis withis ve

Ans 6:

Rishit Garg from Bhavan s B P Vidya Mandir , Nagpur
Class : Class 9
If b is the answer then why is the bar graph increasing day by day.😠

Ans 7:

Hitarth Bhardwaj from Teoler High School, Jaipur
Class : Class 6
D

Ans 8:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7
D cannot be correct because it increased after 3rd and 4th spray

Ans 9:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
it is supposed to be D. the graph should be going down slowly and not increasing if the answer was B.

Ans 10:

Praatham Kumar from DPS NERUL NAVI MUMBAI, Navi Mumbai
Class : Class 5
IF B IS ANSWER THAN GRAPH SHOULD BE ALMOST UNIFORM.. THE GROWTH IS INCREASING AFTER 3RD-4TH SPRAYING

Ans 11:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10
It is C because after the guy used the 3rd and 4th pesticide the insects started increasing

Ans 12:

navya ritika from DPS TAPI, SURAT
Class : Class 4

Ans 13:

Pallav Agarwal from DLF PUBLIC SCHOOL SAHIBABAD, Ghaziabad
Class : Class 9
it is d.sof posted wrong answer

Ans 14:

Abhigyan Panja from HEMSHEELA MODEL SCHOOL, DURGAPUR
Class : Class 5

Ans 15: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 16:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4
answer is b only because it is decreasing also

Ans 17:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
wrong

Ans 18:

Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Class : Class 8
B is answer because when it decreases it is their natural death, otherwise they have become resistant thats why it is decreasing then increasing and not uniform.

Ans 19:

Devrajan from Amity International School, Noida
Class : Class 8
The pesticide is partially effective because there is a drop in population after each spraying. Hence, B CANNOT BE THE CORRECT ANSWER.

Post Your Answer

Ashher Pervez from DPS Bhilai, Bhilai
Subject :NSO    Class : Class 5

Ans 1:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Ans 2:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9

Ans 3:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 4:

Amal Amzath Ali from jss international school, dubai
Class : Class 7

Ans 5:

Amal Amzath Ali from jss international school, dubai
Class : Class 7

Ans 6:

Rishita Verma from Suncity School, Gurgaon
Class : Class 5

Ans 7:

Adhira Suresh from Vaels parent grade 3, chennai
Class : Class 6
Confusion between (B) and (C)

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9

Ans 9:

Radhika Gupta from Dps civil lines aligarh , Aligarh
Class : Class 8

Ans 10:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
A

Ans 11:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
ANS B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 12:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10
A

Ans 13:

Yash Manjunath Neeralagi from JSS Public School, Bangalore
Class : Class 5

Ans 14:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Ans 15:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 16:

Pratham Dave from GNS, Bangalore
Class : Class 7
B is the answer to this question

Ans 17:

Ishaan singhal from CCWS, Jaipur
Class : Class 3

Ans 18:

Anantjit Chander from Apeejay School, Sector 15, Faridabad
Class : Class 10
(B) or (C)?

Ans 19:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4

Ans 20:

Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru
Class : Class 8
It is "B". People who put "a" mixed up x

Ans 21:

Radhika Gupta from Dps civil lines aligarh , Aligarh
Class : Class 8

Post Your Answer

Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore
Subject :NSO    Class : Class 1

Post Your Answer

Neevedita Singh from Auxilium Convent School Dum Dum, Kolkata
Subject :NSO    Class : Class 7

Ans 1:

Neevedita Singh from Auxilium Convent School Dum Dum, Kolkata
Class : Class 7
I got the answer ........Its option (C) SPLEEN

Post Your Answer