National Science Olympiad Forum By SOF Olympiad Trainer - Page 643
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Riya Singhani from BVB vidhyashram, jaipur
Subject :NSO    Class : Class 8

Ans 1:

Ethel shiju from National Public School Indiranagar, Bangalore
Class : Class 9
Yes you are right....Felice Fontana discovered nucleolus

Ans 2:

Rishith Sunil from BVM Global BHS, Chennai
Class : Class 8
M

Ans 3:

Rishith Sunil from BVM Global BHS, Chennai
Class : Class 8

Post Your Answer

DIYA DEEP from NALANDA VIDYA NIKETAN, VIJAYAWADA
Subject :NSO    Class : Class 3

Ans 1:

MAYANK from Jain Public School, REWARI
Class : Class 9
answer the question

Ans 2:

Vishesh from Dav, Gujarat
Class : Class 3
C

Ans 3:

disshaan dholakia from st marys icse, mumbai
Class : Class 3
This is cheating I completed this question

Ans 4:

Sagnik Roy from Nava Nalanda Santiniketan Shakha, Bolpur
Class : Class 8
C

Ans 5:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
blah blah blah

Ans 6:

Sravanthi Phanikumar from ,
Class :
A

Ans 7:

Sayantan Saha from Don Bosco School Kharagpur, Kharagpur
Class : Class 5
C

Ans 8:

Kanishk bhati from G D goenka school gzb, ghaziabad
Class : Class 3
C

Ans 9:

Avik Arya from Trileaves Global school , Chennai
Class : Class 3
Sravanti its C

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Aravinda Venkatesan from Gd Goenka school indrapuram, Ghaziabad
Subject :NSO    Class : Class 9

Ans 1:

from kv2, kalpakkam
Class : Class 9
put the formula velocity=rt 2ghthe velocity after falling is 10m/svelocity to go up is 6m/s loss in velocity is ( 6 - 10 ) / 10 = 2 / 5

Ans 2:

aditya apurva from DAV public School, Duttnagar
Class : Class 9

Ans 3:

aditya apurva from DAV public School, Duttnagar
Class : Class 9
somebody answer this question with an explanation

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Ahana Maity from DAV public school brij bihar, GHAZIABAD
Subject :NSO    Class : Class 3

Ans 1:

Hamsini from yagappa international school, Thanjavur
Class : Class 5
bbb!

Ans 2:

Sagnik Roy from Nava Nalanda Santiniketan Shakha, Bolpur
Class : Class 8
B

Ans 3:

aarav sadhoo from lotus valley international school, noida
Class : Class 8
b is the answer

Ans 4:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is B.

Ans 5:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4

Ans 6:

Meghatyoya from Adamas World School , Barasat
Class : Class 3
B

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Tanushree from Asian International School, Colombo
Subject :NSO    Class : Class 5

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 2:

Prayag Baliyarsingh from RNS IS, Bangalore
Class : Class 1
a is right but c is not wrongi dont disagree with a-men

Ans 3:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
A LOL

Ans 4:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
It came in my NSO exam. the correct answer is a

Ans 5:

Thejas S from Gopalan International School, Bangalore
Class : Class 3
how come

Ans 6:

Gauransh Singla from DPS , Navi Mumbai
Class : Class 5
correct answer is a

Ans 7:

Devavrat Sharma from Podar International School, Mumbai
Class : Class 9
A and C both are correct

Ans 8:

sauradeep from j v m Shyamali , ranchi
Class : Class 10
C

Ans 9:

Harshit shah from Shishukunj International School, Indore
Class : Class 6
ans is a

Ans 10:

Kenisha Tamboli from Mansukhbhai Kothari National School, Pune
Class : Class 6

Ans 11:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
A .

Ans 12:

Bhavya from ABC, Delhi
Class : Class 7
it is very simple. it came in my NSO exam. the answer is 'A',

Ans 13:

Deep Ajay Ovhal from Podar International School, Latur, Latur
Class : Class 7
A is the correct answer

Ans 14:

Saipriya from Sankara, Chennai
Class : Class 8
aarya and souradeep and aanshi are u mads shut up and see the solution they are correct will u blame the teachers mad fool shut

Ans 15:

Rudra Tripathi from DPS Noida, Noida
Class : Class 10

Ans 16:

Keshav Taneja from Wisdom world school, Kurukshetra
Class : Class 5

Ans 17:

Aarya Khandekar from GK Gurukul, Pune
Class : Class 4
The answer is .A

Ans 18:

marika from VTS, Mumbai
Class : Class 4

Ans 19:

Aanshi from Vibgyor High, Vadodra
Class : Class 8
The correct answer is C

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Allu Gowri sasaank from timpany school, Visakhapatnam
Subject :NSO    Class : Class 5

Ans 1:

Gauri Singh from St. John's School, Marhauli, Varanasi
Class : Class 10
I think you should mail and inform SOF Olympiad Trainer. They may help you

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Allu Gowri sasaank from timpany school, Visakhapatnam
Subject :NSO    Class : Class 5

Post Your Answer

Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Tavish Singh from Sanskriti School, Hyderabad
Class : Class 4

Ans 2:

Mireya Bastia from Euro School , Navi Mumbai
Class : Class 5
The answer is C as Frog has 4 stages in its lifecycle - Egg, Tadpole, Tadpole with Legs and Adult.

Ans 3:

namrata maheshwari from euroschool, airoli
Class : Class 9
lipi from shalom hills international school , gurugramclass:ANSWER SHOULD BE C AS FROG LIFE CLYCLE HAS 4 STAGES-EGGS , TADPOLE , TADPOLE WITH LEGS , ADULT

Ans 4:

Divesh Kumar Pandey from PVSS DAV Public School, Jhumri Telaiya
Class : Class 8
No, answer is D

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Frog has 4 stages of life cycle Egg- Early Tadpole - Young Adult ( Tadpole with legs ) - Adult Frog and Cockroach has three stages of life cycle Egg - Nymph - Adult Cockroach . Hence, option - C is correct.

Ans 6:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Divesh answer ISN'T D

Ans 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 8:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
the correct answer is C.

Ans 9:

Arjun amit Naikare from Vikhe Patil Memorial School, Pune
Class : Class 4
C is the correct anwer

Ans 10:

Sachin Handore from ,
Class : Class 1
Everyone is right the answer should be C

Ans 11:

Sunishka Khatri from Global Indian International School, Pune
Class : Class 6
If this kind of mistakes you guys are doing in the course materials and practice tests then it is not good. I will not rely on your training materials. I emailed you guys the mistakes done in Prep Guide also. I am disappointing with the material.

Ans 12:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I agree with all those who gave CI am as sympathetic as I can be and as for all those who said D I am very very angryAnd as for all those who said DThey are completely WRONG and SILLYSOF and Dinesh Kr.Pandey seeThe effect of your wrong answer DIs now creating a confusionAnd please give us all the correct explanation

Ans 13:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 5
the answer should be C as a frog has 4 stages in its life cycle,spawns,tadpole,tadpole with legs and a adult frog

Ans 14:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
divesh please eक्ष्plain me

Ans 15:

Aaditya Saxena from Ryan International School Pune, Pune
Class : Class 6
Well, the correct answer is showing D. I mean is D is the correct answer? No, it is not. If u see here the answer will be C. How? This is the life cycle of a frog - First it other frogs lay eggs. Then it grows to a tadpole. Then to a froglet. And then lastly it grows into an adult frog. So, it has 4 stages. And then for cockroach, it has 3 stages which are - Eggs into a Nymph and then into an adult cockroach. So, that is why the correct answer will be C and not D.

Ans 16:

Syon from Sentia The Global School, Hyderabad
Class : Class 8
Frog has 4 stages including egg

Ans 17:

Shraddha S Nair from Bright CBSE, Day school vasna, Vadodara
Class : Class 7
It should be c

Ans 18:

Syon from Sentia The Global School, Hyderabad
Class : Class 8
THE ANSWER SHOULD BE C NOT D BECAUSE FROG HAS 2 STAGES ,AND COCKROACH HAS 1 STAGE IN BETWEEN EGGS AND ADULTS.

Ans 19:

Punyatoya from Harvest, Bengaluru
Class : Class 8
The arrows are wrong

Ans 20:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
In X both frog and butterfly is there.Frog: Spawn , Tadpole ,Tadpole with legs and adult frogButterfly : Eggs ,Larvae, Pupae ,Butterfly So There is CONFUSION And answer is C asCockroach :Egg ,Nymph ,Cockroach SOF erase this confusion somehow Ashmi Narkar

Ans 21:

Aatika Malak syed from Delhi private school dubai, Dubai
Class : Class 4
it should be C not D

Ans 22:

KSHITIJ BHATIA from St Francis De Sales, New Delhi
Class : Class 4
The ans cannot be D frog has 4 stages ie Egg , Tadpole, (tadpole with legs ) Young adult, Adult

Ans 23:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
It should be C as a frog has four stages that is an egg, a tadpole, a tadpole with legs and a frog; while a cockroach has three stages that is egg, nymph and cockroach.

Ans 24:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4
what the *****

Ans 25:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
ANSWER SHOLD BE C

Ans 26:

Prashanth from Gems Modern Academy, Dubai
Class : Class 5
Answer C is right.Frog has 4 stages - Egg, tadpole, froglet and adult frogCockroach has 3 stages - Egg, nymph and adultAs per your answer, frog option is wrong for 3 stages

Ans 27:

Akshat Pathak from DPS, Noida
Class : Class 4
ANSWER SHOULD BE C

Ans 28:

Rabhya Agarwal from Amity noida, Delhi
Class : Class 7
confusing

Ans 29:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
It should be c because frog has 2 stages between egg and adult while cockroach has 1 stage between the egg and adult

Ans 30:

Shaurya Srivastava from delhi public school, navi mumbai
Class : Class 6
man that is not fair

Ans 31:

Geetali Saikia from Prarambhika, Patna
Class : Class 3
FROG HAS FOUR STAGES IN LIFE: EGGS,EARLY TADPOLE, LATE TADPOLE,ADULT

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Abhay rajvanshi from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Vaishnavi from DPS , Singapore
Class : Class 3

Ans 2:

Anushtubh Ashish Sonawane from Blue Ridge Public School, Pune
Class : Class 5
I agree with akshaj how is it possible

Ans 3:

Tista Kundu from AIRFORCE SCHOOL ASTE MP CAMP, BANGALORE
Class : Class 5

Ans 4:

Vishveshwar from Bhavans Rajaji Vidhyashram , Chennai
Class : Class 7
It is C

Ans 5:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Class :easy

Ans 6:

Akshaj V from PSBB Senior Secondary School, Chennai
Class : Class 6
But wood is eaily flammable! How can it be a heatproof handle?

Ans 7:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5

Ans 8:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10

Ans 9:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7

Post Your Answer

Abhay rajvanshi from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Ruhaan Singh from Gopalan International School, Bangalore
Class : Class 6

Ans 2:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
It is thermocol , and how don’t u ppl not know the answer , it was written in the synopsis!!

Ans 3:

divyanshi singh from st conrad's inter college agra , agra
Class : Class 8
C . because thermacol is a very bad absorver of heat

Ans 4:

princy gigo from Global Indian International School, Kuala Lumpur
Class : Class 8

Ans 5:

Trijash Maut from Delhi Public School Digboi, Digboi
Class : Class 6
NO BRAIN GUY

Ans 6:

divyanshi singh from st conrad's inter college agra , agra
Class : Class 8
C. of course

Ans 7:

somesh from Centre point katol road, Nagpur
Class : Class 6
thermocol

Ans 8:

Navya GUPTA from dps noida, Noida
Class : Class 3
Answer is 100 percent thermocol

Ans 9:

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

Ans 10:

Mathamagician from BGSNPS, Bengaluru
Class : Class 6
easy!!! thermocol

Ans 11:

Pratham Dave from GNS, Bangalore
Class : Class 7
No doubt, thermocol is the answer

Ans 12:

Koustavi Chakraborty from DELHI PUBLIC SCHOOL, PUNE
Class : Class 5
answer c ..it's thermocol

Ans 13:

Tanushree from Asian International School, Colombo
Class : Class 7
Since ''y'' is ice ,thermocol is the only material from the following which will prevent the ice from melting.

Ans 14:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The answer is thermocol as Y is ice and thermocol is a bad conductor of heat.

Ans 15:

Sachi Swarup from Vibgyor HIgh , Hinjewadi Phase 1 , Pune ,, Pune
Class : Class 5

Ans 16:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6

Ans 17:

Divyanshi from United international School, Bangalore
Class : Class 6

Ans 18:

Srishti Rani from DBMS ENGLISH SCHOOL, Jamshedpur
Class : Class 5
Answer is surely C thermocol

Ans 19:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 8
I really think they should give the image clearer. I thought it was glass.

Ans 20:

Mystic Girl from NPS, Bnagalore
Class : Class 6
Agreed,it is thermocol C.

Ans 21:

aarav shankar from st xaviers high school, gurugram
Class : Class 7
Yes it is c. Thermocol. But the picture was not clear. I had to use magnifying glass.

Ans 22:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8
Thermocol is a good insulating material as it is a bad conductor of heat. Ice cubes kept in thermocol box will not melt for a longer time

Ans 23:

hridhaan solanki from gyanshree, noida
Class : Class 7
Awnser=C

Ans 24:

krishneil from Elpro international school, Pune
Class : Class 6
I couldn't understand the pictures

Ans 25:

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

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