National Science Olympiad Forum By SOF Olympiad Trainer - Page 671
  1. Home
  2. /  Forum

User Forum

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

Ans 1:

Kashika Goel from DPS Noida, Noida
Class : Class 8
C

Ans 2: (Master Answer)

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

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:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 2:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10

Ans 3:

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

Ans 4:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
I meant option 'D' not option B sorry for the mistake in my arguement

Ans 5:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
I m

Ans 6:

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

Ans 7:

Advik from DPS Patna, Patna
Class : Class 4
ccc

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:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
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 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:

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:

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

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 3:

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 4:

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 5:

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 6:

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

Ans 7:

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

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Ans 9:

Bhuvika Jindal from sfs indirapuram, gzb
Class : Class 6

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:

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

Ans 12:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

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:

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

Ans 6:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

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

Ans 21:

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 22:

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 23:

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 24:

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

Ans 25:

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

Ans 26:

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

Ans 27:

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

Ans 28:

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

Ans 29:

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 30:

Bharat from Geetanjali Olympiad school, Bangalore
Class : Class 9

Ans 31:

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

Ans 32:

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

Ans 33:

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

Ans 34:

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

Ans 35:

deeksha from rnpodar, mumbai
Class : Class 6
b

Ans 36:

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

Ans 37:

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

Ans 38:

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

Ans 39:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9
B

Ans 40:

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 41:

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

Ans 42:

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

Ans 43:

Ananya from GIIS, Bangalore
Class : Class 6
request explanation

Ans 44:

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

Ans 45:

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

Ans 46:

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

Ans 47:

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

Ans 48:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
request solution

Ans 49:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 50:

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

Ans 51:

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

Ans 52:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6

Ans 53:

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

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:

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