National Science Olympiad Forum By SOF Olympiad Trainer - Page 640
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Smriti from Apeejay, Nerul, Navi Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Karan Chavan from GIIS,Chinchwad, Pune
Class : Class 5
who knows they will give or not give

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
It was not there. ;)

Post Your Answer

sudiksha Bhaskar Chaudhary from Shri Mahavir Jain English School,Kalyan west, Kalyan west
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

Ans 2:

Aarna Agarwal from Manav Rachna International School, Gurgaon
Class : Class 5

Ans 3:

Kanishk bhati from G D goenka school gzb, ghaziabad
Class : Class 3
oh I thinked it is (A)

Ans 4:

Ram Prasanna from Basil Woods International, Hyderabad
Class : Class 3
The answer is c

Ans 5:

Kashika Goel from DPS Noida, Noida
Class : Class 7
C

Post Your Answer

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

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:

Advik from DPS Patna, Patna
Class : Class 4
ccc

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:

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

Ans 7:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10

Ans 8:

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 9:

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

Ans 10:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Post Your Answer

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

Ans 1:

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 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Ans 3:

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

Ans 4:

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 5:

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

Ans 6:

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 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 8:

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 9:

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

Ans 10:

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 11:

Bhuvika Jindal from sfs indirapuram, gzb
Class : Class 6

Ans 12:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

Aparna praveen from Rajagiri, Ernakulam
Class : Class 4

Ans 4:

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 5:

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

Ans 6:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

Arnav Raj Sharma from The gulibilium school, Gurgaon
Class : Class 9
correct option will be (B)

Ans 3:

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

Ans 4:

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

Ans 5:

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 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

Ananya from GIIS, Bangalore
Class : Class 6
request explanation

Ans 20:

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 21:

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

Ans 22:

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

Ans 23:

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

Ans 24:

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

Ans 25:

Bharat from Geetanjali Olympiad school, Bangalore
Class : Class 9

Ans 26:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6

Ans 27:

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

Ans 28:

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

Ans 29:

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

Ans 30:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9
B

Ans 31:

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

Ans 32:

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

Ans 33:

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

Ans 34:

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

Ans 35:

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

Ans 36:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 37:

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 38:

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

Ans 39:

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

Ans 40:

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 41:

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 42:

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

Ans 43:

deeksha from rnpodar, mumbai
Class : Class 6
b

Ans 44:

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 45:

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

Ans 46:

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

Ans 47:

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

Ans 48:

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 49:

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

Ans 50:

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

Ans 51:

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

Ans 52:

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

Ans 53:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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 3:

Saanjana from Vibgyor , Mumbai
Class : Class 8

Ans 4:

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

Post Your Answer

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

Post Your Answer