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ANSHUMAN RAJ from ST.THERESA'S CONVENT SR.SEC.SCHOOL KARNAL, KARNAL,HARYANA
Subject :NSO    Class : Class 3

Ans 1:

Nivedha from Greenwood High, Bengaluru
Class : Class 3
HE DID NOT EXPLAIN.

Ans 2:

Anagha from DPS BANGALORE NORTH, Bengaluru
Class : Class 3
It should be D

Ans 3:

MAYANK from Jain Public School, REWARI
Class : Class 9
C

Ans 4:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 5:

ANWESHA THAKUR from DPS SECTOR 132 NOIDA, NOIDA
Class : Class 7

Ans 6:

Ram Prasanna from Basil Woods International, Hyderabad
Class : Class 3
D

Ans 7:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 8:

Yatindra G from SBOA, Chennai
Class : Class 4
c maybe????

Ans 9:

Abhilash from ,
Class : Class 3
ahh... very easy answer is d

Ans 10:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 9
c is the ans

Ans 11:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
kunal is wrong

Ans 12:

Shruti from ,
Class : Class 1
D HE GAVE EXPLANATION

Ans 13:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9

Ans 14:

SS from meridian, hyderabad
Class : Class 5
abcd are correct

Ans 15:

Aditri Dixit from TCIS, Bangalore
Class : Class 3
NA

Ans 16:

Vedansh from Akshara International school, Phne
Class : Class 3
c is the correct answer

Ans 17:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2

Post Your Answer

arnav reddy from oakridge international school, hyderabad
Subject :NSO    Class : Class 3

Ans 1:

MAYANK from Jain Public School, REWARI
Class : Class 9
A

Ans 2:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
all of these option(D)

Ans 3:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
Everyone thinks that a option is correct but it is wrong.The correct answer is d part.Everyone will think that chocolate is junk food.How can it give us the energy but chocolate contains fat.That's why when when we are hungry it gives us a lot of energy

Ans 4:

akshitha from Euroschool, Bengaluru
Class : Class 3
all of these

Ans 5:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 8
A is not correct D is correct

Ans 6:

Vineet Banode from New Horizon Scholars School, Pune
Class : Class 5

Ans 7:

MAYANK from Jain Public School, REWARI
Class : Class 9
D

Ans 8:

Shruti from ,
Class : Class 1
d and Gaurika actually chocolate contains fats

Ans 9:

Mahima g pillai from Arya central school, Trivandrum
Class : Class 6
D

Ans 10:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 8
D is correct

Ans 11:

Samik Praveen from Euro School Airoli, Mumbai
Class : Class 6
All of these

Ans 12:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Fruits (2) contain minerals and vitamins and are protective food. They help in recovering from illness. Overeating of fried food (1) leads to obesity as it contains fat that gets stored in the body. Chocolates (3) contain a lot of carbohydrates which give us energy when hungry.

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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Shreyans Mondal from Sri Chaitanya Techno School Kaggadasapura Campus 1, Bengaluru
Class : Class 10

Ans 2:

Antareep Mukherjee from New Horizon Public School, Bangalore
Class : Class 8

Ans 3:

Riyan Nayak from DPS Newtown, Kolkat
Class : Class 7
c should be the correct answer

Ans 4:

Avaneesh Sai Vemparala from The knowledge habitat, Pune
Class : Class 3
The amount of water also matters right

Ans 5:

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

Ans 6:

Palash sachin patel from Kips, Patan
Class : Class 8
d is correct answer

Ans 7:

aditya ranjan from gyan niketan , patna
Class : Class 7
i think amount of water also nedd

Ans 8:

Tanmayi kiran giri from airforce force public school Vayusena Nagar, Nagpur, nagpur
Class : Class 9
I do agree it's D

Ans 9:

Kamal Manchenella from Delhi Public School, Hyderabad
Class : Class 7
I feel that it is D

Ans 10:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4
Water is also correct

Ans 11:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 12:

Mehaan Bhatt from Pawar Public School , Mumbai
Class : Class 6

Ans 13:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
D, amount of water matters the most out of all.

Ans 14:

Rithvik from BVM Global, Chennai
Class : Class 9
d

Ans 15:

shreya from GIIS, KualaLumpur
Class : Class 5

Ans 16:

Shriyans from DPS Agra, Agra
Class : Class 8
D

Ans 17:

Anuraaj Salunkhe from St Gregorios High School, Mumbai
Class : Class 10

Ans 18:

Aanya from DAV, Gurgaon
Class : Class 8
Option D is the correct answer

Ans 19:

Adhrit from CHSV, Chennai
Class : Class 8
Definitely D

Ans 20:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8

Ans 21:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
All the given factors are required for a fair test ; So option D would be the correct answer

Ans 22:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9
I think D is the correct answer

Ans 23:

Shubham Ashish Kulkarni from APEEJAY PITAMPURA, DELHI
Class : Class 8
shape of dish also should be included. Amount of water poured doesnt matter as long as you are collecting equal volume in all dishes. Hence similar dishes is important.

Ans 24:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

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Aswath Krishna from DPS EAST, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
answer is a

Ans 2:

Tanishtha from DPS, Greater Noida
Class : Class 7
c is the correct answer

Ans 3:

D Murari from Indian School of Excellence, Bangalore
Class : Class 9
C,because- it is a chemical change. after baking we can break it into smaller particles but it won't form the same clay, with same properties again

Ans 4:

RUDRAKSH BISWAS from MAYOOR PRIVATE SCHOOL, ABU DHABI
Class : Class 6
It really should be A

Ans 5:

Advay Das from Delhi Public School, Gurgaon
Class : Class 5

Ans 6:

ridhima from mdps, faridabad
Class : Class 6

Ans 7:

Hridhaan Talukdar from National Public School Koramangala, Bangalore
Class : Class 7

Ans 8:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
A is the correct answer

Ans 9:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
C because we can get clay back from a wet pot by smashing it,but once it heats up, it dries the clay and makes it stone hard.

Ans 10:

Anika Saha from New Town School, KOLKATA
Class : Class 6
The answer is A.

Ans 11:

Arnesh from dps, delhi
Class : Class 6
It should be A

Ans 12:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6
on heating, the clay pot doesn't turn into stone,right?it doesn't change composition once heated , it is still clay ! answer is "A"

Ans 13:

Vidula Malkar from DPYA High school, Mumbai
Class : Class 7
a is the correct answer because chemical composition dose not change

Ans 14:

ATHARV RAHUL MAHAJAN from ST. STEPHENS SCHOOL CHANDIGARH, SAS NAGAR
Class : Class 6
IF WE SHARP A PENCIL IT IS A PHYSICAL IRREVERSIBLE CHANGE .SO,IF WE HEAT A POT IS PHYSICAL IRREVERSIBLE CHANGE. BUT IT COULD HAPPEN THAT THE COMPOSITION OF CLAY MIGHT CHANE BECAUSE OF HEATING AS THE MOLECULES STICK TO EACH OTHER

Ans 15:

Rasha Ranjan from DPS NOIDA , Vaishali
Class : Class 6
Yes ,Because chemical means change in the properties but there is no change .The answer is A

Ans 16:

Archisman Rout from Podar International School, Powai
Class : Class 7
A is correct because it just turns hard but it is still clay only.And also chemical change doesn't mean that it is irreversible,Chemical change means that the identity of the substance we started with is lost.Here the identity is not lost.So A is correct.

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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Parshti Bajpai from Modern Public School, ALWAR
Class : Class 7
Please explain it to me.

Ans 2:

Aksh Swarnkar from National Center for Excellence CVR, Bangalore
Class : Class 8

Ans 3:

Lakshya Vijeta from Afgji, New Delhi
Class : Class 8
Option D is correct. I dont know why. Please explain

Ans 4:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
ans is option C

Ans 5:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak
Class : Class 8

Ans 6:

Praveen Rai from Lotus Valley International School, Noida
Class : Class 7

Ans 7:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
ans is option C

Ans 8:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
answer is option c

Ans 9:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9
can someone explain why?

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Pradhyumna from J S S Public School, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
jk kj;

Ans 2:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
Not kerwa its kewra. It is an extract that is distilled from the flower of the Pandanus plant. Kewra water is very similar to rosewater. It is used to flavour South Asian cuisine.

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SANAJY GOPAL BHARTARIYA from ST. FIDELIS COLLEGE, LUCKNOW
Subject :NSO    Class : Class 6

Ans 1:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
As it goes up,kinetic energy decreases due to gravity while potential energy increases with height. As it comes down, kinetic energy increases due to gravity while potential energy decreases.

Ans 2:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
it will be maximum near the ground

Post Your Answer

SANAJY GOPAL BHARTARIYA from ST. FIDELIS COLLEGE, LUCKNOW
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
it will be maximum near the ground

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Prasuk Jain from Modern Delhi Public School, Faridabad
Subject :NSO    Class : Class 7

Saurabh burned two different fibres X and Y in order to identify them. X smelt like burning paper while Y smelt like burning hair. Which of the following options correctly identifies the two fibres?


Ans 1:

Aksh singh from The asian school, Dehradun
Class : Class 7

Ans 2: (Master Answer)

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

Ans 3:

Aparajita Biswas from Don Bosco School Silchar, SILCHAR
Class : Class 7
THE CORRECT ANS IS OPTION C

Ans 4:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Post Your Answer

Pulkit Gupta from Maxfort School, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

ARAMINTA SAHA from VIBGYOR HIGH BALEWADI, PUNE
Class : Class 6
ans is d because it is transparent which allows light to pass, it doesn't observe light but transmits all light

Ans 2:

Karthik from Euro, Bengaluru
Class : Class 7
ans is d

Ans 3:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 7
The answer is 'D' option, 'All of the above'. It is so because Air is not visible because it neither absorbs nor reflects light, it transmits whole of light. Dust particles in air is visible as they reflect light. Air is almost transparent substance. It is not dust to be visibile. It is air, it is completely transparent.

Ans 4:

HARSHAL KUTE from cambridge school buldhana, Buldhana
Class : Class 6
ans is d

Ans 5:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
THE ANSWER IS D

Ans 6:

Anika Saha from New Town School, KOLKATA
Class : Class 6
ANS IS D

Ans 7:

Aarav Garg from DPS Greater Noida, Greater Noida
Class : Class 7
It should be d but they are telling its b.

Ans 8:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
Answer is D

Ans 9:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
D is the ans as air is matter and is very transparent.

Ans 10:

Tanishtha from DPS, Greater Noida
Class : Class 7
ans is d

Ans 11:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer is D

Ans 12:

Mitra Maiti from Techno India Group Public School, Bolpur Prantik
Class : Class 6
It is true that air is a perfectly transparent object. It neither absorbs nor reflects light. It transmits whole of light. So, all the options are correct and answer is D.

Ans 13:

satwik patnaik from DPS Rourkela, Rourkela
Class : Class 7
And is b

Ans 14:

AJAY LAHOTI from SPRINGDALES DUBAI, Dubai
Class : Class 6
I should be d

Ans 15: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 16:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
Answer is D as air it neither absorbs or reflects light,its almost transparent,it transmits the whole of light.

Ans 17:

Thejaswini from Rajagiri, Chennai
Class : Class 7

Ans 18:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
answer is B as given in the answers. there is a solution too

Ans 19:

Pratheek from Null, Null
Class : Class 4
Option D. All of the above.

Ans 20:

pranavramesh from sri chaitanya techno school, Chennai
Class : Class 6
sof the answer is ddd so many times i am really fed up of your wrong answers and that is really very shamful on you.

Ans 21:

Mihika Hivarekar from Global Indian International School, Pune
Class : Class 7

Ans 22:

Advik from DPS Patna, Patna
Class : Class 4
its got to be ddddd!!

Ans 23:

Arsh from Lahs, Gwalior
Class : Class 3
ans is d sof !!!!!!!!!!!!! ans is d

Ans 24:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
these days sof olympiad trainer has gone mad. in one test, i got 4 perfectly wrong question . and now this . this adds up to fivei do not know what is the problemans should be ddddddddd!!!!!

Ans 25:

Mihika Hivarekar from Global Indian International School, Pune
Class : Class 7
CHILL PPL CHILL

Ans 26:

Parth Kaushish from MDPS, Faridabad
Class : Class 6
its D come on two total mistakes in one test

Ans 27:

Ishayu Mukherjee from Don Bosco Park Circus, Kolkata
Class : Class 6
The answer is wrong. The correct answer is D

Ans 28:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 7
@ashwak control your language

Ans 29:

malhar thorve from city internqtional school, satara road, pune
Class : Class 7

Ans 30:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Explain this dumb question and an even dumber answer " Master Answer"

Ans 31:

Agrim Jai from Modern Bharakhamba, Delhi
Class : Class 7
D

Ans 32:

Naisha from Brilliant public school b, Bilaspur
Class : Class 8
D

Ans 33:

khushi Joshi from Svkm , Mumbai
Class : Class 10
Ans is D as air is all of the above

Ans 34:

Devdarsh hero from HOLY GRACE, Mala
Class : Class 6
ans is D

Ans 35:

Pratheek from Null, Null
Class : Class 4
Option D. All of the above.

Ans 36:

arnav santosh shinde from new english school , landewadi
Class : Class 4
ANS IS D

Ans 37:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
I agree with everyone is Satwik because air trasparent it neither reflects nor absorbs light and trasmits whole of light So ans is D

Ans 38:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
i agree with d

Ans 39:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
Answer is d

Ans 40:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
i mean except Satwik

Ans 41:

Siddharth from DPS, Jodhpur
Class : Class 9
The correct answer should be option D, All of these

Ans 42:

Videh Jain from Bluebells School International, Delhi
Class : Class 6
d is the ans

Ans 43:

niuv from meridian, Hyderabad
Class : Class 6
ANS IS D

Ans 44:

kpks14 from RIMT World School, Chandigarh
Class : Class 7
d is the answer but the trainer is showing b as answer air reflects light that is why the sky is blue

Ans 45:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
I think its D not B

Ans 46:

Ashwak from Cambridge, Jalandhar
Class : Class 9
What in the freaking world . I am surprised that these dumb idiots can even host international and national olympiads . Even a 5 year old could get the answer right . I won't be surprised if they give the answer 22 of the question 2 2 . I am telling you we are wasting money on these damn question papers

Ans 47:

Tanishtha from DPS, Greater Noida
Class : Class 7
ans is d

Post Your Answer

X Y
(A) Wool Silk
(B) Cotton Rayon
(C) Cotton Silk
(D) Silk Wool