National Science Olympiad Forum By SOF Olympiad Trainer - Page 510
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Anaadya from Arsha Vidya Mandir, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
Sorry ,i thought d instead of c.

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
How come?Please explain

Ans 3:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
A weight of car not option

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is WRONG

Ans 5:

Krisha Ganeriwal from Podar International school, Mysore
Class : Class 2
The answer should be b and d

Ans 6:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon
Class : Class 8
B

Ans 7:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Please explain this I did not understand

Ans 8:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
how is it A

Ans 9:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
the answer should be C ... it can never be A ... Master answer pleeeeeese explain

Ans 10:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
Q is wrong, as earth's gravity is due to its magnetic force. the correct answer is a, b, and c.

Ans 11:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
I thought the answer is c because every option makes the car move.

Ans 12:

Shaurya Jaiswal from Navy Children School , Kochi
Class : Class 7
how does the weight of the car pull it down???

Ans 13:

Aurinjay Mukhopadhyay from Future Foundation School, KOLKATA
Class : Class 5
jnhb

Ans 14:

Ayush Singh from LMB, Kolkata
Class : Class 4
Solution is wrong.

Ans 15:

Amrit Priyadarshi from kanakia International School , Mumbai
Class : Class 6
It has to do with the bad way of the software because I had pressed B but it is showing that I had Pressed A.

Ans 16:

Shreshta from Presidium, Ghaziabad
Class : Class 3
I agree with harry potter from hotle California,california.

Ans 17:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
yaa ayush

Ans 18:

Ayush Singh from LMB, Kolkata
Class : Class 4
How can it be weight of the car?

Ans 19:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Thanks Rayansh

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Aarush Pandya from Inventure Academy, Bangalore
Subject :NSO    Class : Class 4

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Aditya Soni from Saint Xavier School, hariyana
Subject :NSO    Class : Class 8

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Swarit from Indian School Wadi kabir, Muscat
Subject :NSO    Class : Class 4

Ans 1:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
I thought the answer is c

Ans 2:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon
Class : Class 8
D

Ans 3:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Thank You Swarit

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
YES D

Ans 5:

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

Ans 6:

NEELADRI MISHRA from D A V Public School. Unit VIII, Bhubaneshwar
Class : Class 7

Ans 7:

Swarit from Indian School Wadi kabir, Muscat
Class : Class 6
A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.

Ans 8:

Meghna Sesha from Deens Academy, Bangalore
Class : Class 7

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BHAVYA JHA from GLOBAL CITY INTERNATIONAL SCHOOL, BANGALORE
Subject :NSO    Class : Class 6

Ans 1:

VEERANGANA SINGH from DPS NOIDA, NOIDA
Class : Class 6
bro the question is completely wrong

Ans 2:

Sai Srivardhan from Maharishi Vidya Mandir Chetpet, Chennai
Class : Class 9
actually a change cannot be physical and chemical change as Physical : A change in which composition of matter does not change.Chemical : A change in which composition of matter does not change.They are opposite changes.There is no correct answer!

Ans 3:

Aakarsh from aloo public school, Lucknow
Class : Class 6
bruh, all answers are correct

Ans 4:

Bharat from Geetanjali Olympiad school, Bangalore
Class : Class 9
not cit is b

Ans 5:

Miheet parikh from Jamnabai narsee school, Mumbai
Class : Class 2
a

Ans 6:

Arkadeep chakraborty from Atreyee DAV Public School, Balurghat
Class : Class 6
C no.

Ans 7:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
it is d not c

Ans 8:

Aahan Jain from ,
Class : Class 1
Actually this ques. is wrong becuz there couldn't be a change with the properties of physical and chemical.

Ans 9:

Advik Srivastava from DPS Dwarka Expressway Sector-103, Gurugram, Gurugram
Class : Class 7

Ans 10:

Siddharth Laxmisha from The Study Lecole Internationale, PUDUCHERRY
Class : Class 8
There is NO correct answer.

Ans 11:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10
THERE IS NO CORRECT ANSWER IN THIS QUESTION!!!!!!

Ans 12:

Ashwak from Cambridge, Jalandhar
Class : Class 9
C is NOT THE ANSWER

Ans 13:

Ishaan Singh from BBPS, Gurugram
Class : Class 9
It should be B

Ans 14:

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

Ans 15:

Tanmay 2009 from MVN Aravali Hills, Faridabad
Class : Class 6
It should be B

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ARCHIT PANKAJ RANE from SYMBIOSIS SCHOOL, NASHIK
Subject :NSO    Class : Class 3

Ans 1:

Vidit Kishore from Johnson Grammar School, Hyderabad
Class : Class 4
WE need to select the incorrect pair. hence answer is D.

Ans 2:

Anaisha Niranjan from DPS Noida, Noida
Class : Class 4
it is '' C ''

Ans 3:

Mitesh from Shishya BEML Public School, Bengaluru
Class : Class 7
It's wrong because Football is an outdoor game and chess is an indoor game so the ans is "C"

Ans 4:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
The correct answer cannot be A it will be B

Ans 5:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
Why would the answer be D ?

Ans 6:

A Mohammed Yusuf from national acadamy central school , ramnathapuram
Class : Class 7
why would the answer be d it is c i am sure

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AARNA Kapse from The swaminarayan school, Nagpur
Subject :NSO    Class : Class 2

Ans 1:

Adhrit Das from Inventure Academy, Bangalore
Class : Class 3
it is a corn not a bottle gourd so it should be a!

Ans 2:

Agrima from Vibgyor, Pune
Class : Class 9
A bottle gourd is a climber. So D option is correct

Ans 3:

Karthik from Euro, Bengaluru
Class : Class 7
The ans,shoud be d

Ans 4:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Yaa itĂ¢Â€Â™s bottle gaurd

Ans 5:

Sumit Sharma from DPSN, NOIDA
Class : Class 2
A bottle gourd is a climber not a creeper. so the answer should be- D

Ans 6:

Reyansh Sharma from National public school, hsr layout, bangalore
Class : Class 7
The answer should be D

Ans 7:

Adhrit Das from Inventure Academy, Bangalore
Class : Class 3
oggy

Ans 8:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 7
D OPTION IS CORRECT

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from , Thane
Subject :NSO    Class : Class 7

Ans 1:

VISHNU T M from b, Bengaluru
Class : Class 9
It is not.It is carbon dioxide.(a)

Ans 2:

Saanvi from rvk, bengaluru
Class : Class 9
it must be carbon dioxide

Ans 3:

Pranathi from GIIS, Kuala Lumpur
Class : Class 7
A

Ans 4:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
it should be carbon dioxide (CO2)

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AARNA Kapse from The swaminarayan school, Nagpur
Subject :NSO    Class : Class 2

Ans 1:

Agnish Chakraborty from The Heritage School, Kolkata
Class : Class 7
It will be A.Good evening.

Ans 2:

Shridatree from GMGS, Kolkata
Class : Class 6
What will be the position of sun for good afternoon then ?

Ans 3:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 7

Ans 4:

Mahi Chandra from ICON School of Excellence, Bengaluru
Class : Class 3
Why not good afternoon. In most of the parts of the world evening is time when sun sets, so practically there won't be any shadow. Also by looking at the picture it looks more around 2-3PM. Good afternoon looks appropriate answer.

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Shweta Garg from Vibgyor high, Vadodara
Subject :NSO    Class : Class 5

Ans 1:

SIDDHARTH KUMAR CHATTERJEE from NAVY CHILDREN SCHOOL , CHICALIM
Class : Class 7
LolWrong question.

Ans 2:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
The student is studying soil erosion. The top soil collected is maximum, so it is easily eroded. Answer- A. Top soil is easily eroded.

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