National Science Olympiad Forum By SOF Olympiad Trainer - Page 624
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Anmol kathar from deogiri global academy, aurangabad
Subject :NSO    Class : Class 6

Ans 1:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
I m

Ans 2:

arin chaitanya from the shri ram school, New Delhi
Class : Class 9
answer should be c as the wire is connecting to p and r ALSO IF THE FILAMENT IS BROKEN ONLY Q CAN NOT LIGHT UP.

Ans 3:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
If the filament of bulb Q is fused then the circuit is not being completed because the electrons won't be able to reach the positive terminal as they would be stopped by the broken filament and electricity won't be able to pass through the filament to the negative terminal and due to the two cases that a circuit has to be completed for electricity to move and second one given it is proven that option 'B' is the correct option instead of 'A' 'C' or ' D'

Ans 4:

Aarav Chopra from Springdales School, New Delhi
Class : Class 7
ya i bet it is c

Ans 5:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
I meant option 'D' not option B sorry for the mistake in my arguement

Ans 6:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9

Ans 7:

Jayaditya Pratihari from Ganges Valley School, Hyderabad
Class : Class 10
UHHH How answer D???

Ans 8:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 9:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10

Ans 10:

Advik from DPS Patna, Patna
Class : Class 4
ccc

Post Your Answer

Sanket Kulkarni from Euroschool, Pune
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
i also want to know the same question

Ans 2:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8
I feel it is not decreasing but increasing so answer will be a

Post Your Answer

Siddhi from Cambridge Court High School, Jaipur
Subject :NSO    Class : Class 5

Ans 1:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
There is ice water so it doesn't mean that gravity is gone man

Ans 2:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
answer is D

Ans 3:

Bhuvika Jindal from sfs indirapuram, gzb
Class : Class 5

Ans 4:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Due to gravity, both will move downwards, so the correct answer is d

Ans 5:

Swastik from st marys school, new delhi
Class : Class 6
Due to the cooling effect of ice water, the air in the U-tube contracts, due to which the red ink X and Y move downwards.

Ans 6:

Ishita Dash from DPS Nerul, Navi Mumbai
Class : Class 8
answer is D

Ans 7:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
answer is D

Ans 8:

Hemanth from The Camford International School , Coimbatore
Class : Class 5

Ans 9:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Ans 10:

Swastik from st marys school, new delhi
Class : Class 6
answer is d because due to the incoming air because of cold water if the water was hot then the ink drops would move up

Ans 11:

Riaant from DPSdwarka,
Class : Class 5
i had this correct but sof result is showing correct answer is d and i have writen d. BAD MALFUNCTION AND NEGATIVE MARKING IS THERE

Ans 12: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Post Your Answer

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Aparna praveen from Rajagiri, Ernakulam
Class : Class 4

Ans 2:

Gunnika from MVN, Faridabad
Class : Class 3
ans is d!!

Ans 3:

SAI KRISHNA from SHISHYA BEML PUBLIC SCHOOL, BANGALORE
Class : Class 3
ans should be a coz liver only secretes bile which digests fats not pancreas

Ans 4:

Vedang Siddharth Thakare from SMT's Saraswati English Medium School., Thane
Class : Class 4

Ans 5:

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

Ans 6:

Vedang Siddharth Thakare from SMT's Saraswati English Medium School., Thane
Class : Class 4
answer is D

Post Your Answer

Anmol kathar from deogiri global academy, aurangabad
Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

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

Ans 3:

Arkaprabho Sau from Griffins International School, Kharagpur
Class : Class 9
it should be B....

Ans 4:

arjun from the bishops school camp , pune
Class : Class 8
it should be opt b

Ans 5:

Lakshmi from FPS, Bangalore
Class : Class 10
answer is B

Ans 6:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
correct option will be (B)

Ans 7:

deeksha from rnpodar, mumbai
Class : Class 6
b

Ans 8:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 9:

Bhavik Bhat from The Gurukul Foundation School, Kashipur
Class : Class 7
thank you

Ans 10:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4
b b b b b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 11:

Goldilocks from Sharada Mandir School, Miramar, Panjim, Goa, Panjim Goa
Class : Class 8
Hello There....I have answered test.....Answer is CSolution:The image formed in the plane mirror is always of the same size as that of the object.

Ans 12:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
It should be b

Ans 13:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
It is just a printing mistake. It happens with many questions and the correct answer is option B.

Ans 14:

AYANTIK from DPS NOIDA, NOIDA
Class : Class 1
ans should be B..

Ans 15:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
Yes b is correct

Ans 16:

Sarang Shete from Amanora School, Pune
Class : Class 8
It should be c. try the experiment.

Ans 17:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
request solution

Ans 18:

Parth Kaushish from MDPS, Faridabad
Class : Class 6
come on who made this tests answer key go look at your mirror its b

Ans 19:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
Parth Wave your hand towards the mirror you silly!

Ans 20:

Ananya from GIIS, Bangalore
Class : Class 6
request explanation

Ans 21:

Devdarsh hero from HOLY GRACE, Mala
Class : Class 6
answer is b,because the size of the image increases when we move towards it

Ans 22:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
Answer is B because if you move towards a mirror ,your image will get bigger.

Ans 23:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9
B

Ans 24:

Mayank Mili from Delhi Public School, Golaghat
Class : Class 9
it should be B

Ans 25:

arvin from KC INTERNATIONAL SCHOOL JAMMU, Jammu
Class : Class 7
The correct answer is B

Ans 26:

Midhuna from ABCD, Banglore
Class : Class 3
it is bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbsof please change it quickly

Ans 27:

Anshuman Mishra from kv no 3, Bhubaneswar
Class : Class 7

Ans 28:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
it should be B not C

Ans 29:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7

Ans 30:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Answer should be b

Ans 31:

pranavramesh from sri chaitanya techno school, Chennai
Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 32:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
C is correct as the girl is not seeing the image. If you play or know Minecraft, you can be like in the spectator mode and if you have a mirror mod, then you will see the mob with the same size of the image whether it is near or not.

Ans 33:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Answer should be B because if you move towards a mirror ,your image will get bigger.

Ans 34:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6

Ans 35:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
B is the correct option

Ans 36:

Advik from DPS Patna, Patna
Class : Class 4
its b not c

Ans 37:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6

Ans 38:

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

Ans 39:

sujata patel from Podar International, Pune
Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb!!!!!!!!!!!!!!!!!!

Ans 40:

Atul Sanjeev from Indian School Al Ghubra, Muscat
Class : Class 9
Bbbbbbbb

Ans 41:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
The correct option is b as if we will move towards mirror our image formed will increase in size paulette don't know the answer

Ans 42:

Tanmay Jain from dpsgv, ghaziabad
Class : Class 6
The answer should be option B.

Ans 43:

Satya Sai Lohith Vootla from Chouifat International School Ruwais, Abu Dhabi
Class : Class 8
it should be b

Ans 44:

Aahan Jain from ,
Class : Class 1
I THINK THERE IS SOME ISSUE FROM THE WEBSITE. ANS SHOULD BE B

Ans 45:

Midhuna from ABCD, Banglore
Class : Class 3
In the case of a plane mirror, the size of the image is equal to the size of the object, irrespective of the distance of the object from the mirror

Ans 46:

BHAVYA JHA from GLOBAL CITY INTERNATIONAL SCHOOL, BANGALORE
Class : Class 6
b,its b.

Ans 47:

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

Ans 48:

Aarav Garg from DPS Greater Noida, Greater Noida
Class : Class 7
Ans should be b

Ans 49:

Rahul Wariar from Private International English School, Abu Dhabi
Class : Class 1
the correct answer is b

Ans 50:

krish bansal from PODAR INTERNATIONAL SCHOOL, BHAVNAGAR
Class : Class 1
It should be B!!

Ans 51:

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

Ans 52:

Bharat from Geetanjali Olympiad school, Bangalore
Class : Class 9

Ans 53:

Siddharth Rajpal from Shri ram millennium school , Noida
Class : Class 7
answer should be (B)

Post Your Answer

Prashanth Adamane from FreedomInternational School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Sanjaykumar S from Velammal, chennai
Class : Class 7
ans : a, in case of option c & d no change of soil fertility in case of option b cyclone do not dissolve soil or rocks in option a saline water can change the soil fertility

Ans 2:

D VISHNU from NARAYANA SCHOOL, CHENNAI
Class : Class 7
a

Ans 3:

Sanjaykumar S from Velammal, chennai
Class : Class 7
ans : a, in case of option c & d no change of soil fertility in case of option b cyclone do not dissolve soil or rocks in option a saline water can change the soil fertility

Ans 4:

Saanjana from Vibgyor , Mumbai
Class : Class 8

Post Your Answer

Shivang Arora from Bosco Public School, New Delhi
Subject :NSO    Class : Class 6

Post Your Answer

Shivang Arora from Bosco Public School, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
no they are not same crater is a depression caused by volcanic eruption or falling of a huge meteorite on the surface of earth

Post Your Answer

Anmol kathar from deogiri global academy, aurangabad
Subject :NSO    Class : Class 6

Ans 1:

anika from St Joseph sen sec school Mahoba, Kulpahar
Class : Class 5
how can tye answer be c as it says" used for seperating harmful substance for pure one. it can be used as in the case of sea water evaporation is used for seperating salt and water as salty water is harmful.....?????????????/

Ans 2:

anika from St Joseph sen sec school Mahoba, Kulpahar
Class : Class 5
HOW CAN THE ANSWER BE AS IT SAYS THE " USED FOR

Ans 3:

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

Ans 4:

Ishani Gandhi from Lourdes convent school, Surat
Class : Class 6
Yes it is showing wrong infoAnswer SHOULD BE C

Ans 5:

Shikhar Mallick from Holy Cross School, Agartala
Class : Class 7
yes

Ans 6:

Shikhar Mallick from Holy Cross School, Agartala
Class : Class 7

Post Your Answer

NAITIK PAWAR from LITTLE ANGELS, VIZAG
Subject :NSO    Class : Class 3

Post Your Answer