National Science Olympiad Forum By SOF Olympiad Trainer - Page 457
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BHAVYA JHA from GLOBAL CITY INTERNATIONAL SCHOOL, BANGALORE
Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Miheet parikh from Jamnabai narsee school, Mumbai
Class : Class 8
a

Ans 3:

Siddharth Laxmisha from The Study Lecole Internationale, PUDUCHERRY
Class : Class 7
There is NO correct answer.

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9
THERE IS NO CORRECT ANSWER IN THIS QUESTION!!!!!!

Ans 5:

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

Ans 6:

Ishaan Singh from BBPS, Gurugram
Class : Class 7
It should be B

Ans 7:

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 8:

Ashwak from Cambridge, Jalandhar
Class : Class 8
C is NOT THE ANSWER

Ans 9:

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

Ans 10:

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

Ans 11:

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 12:

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:

A Mohammed Yusuf from national acadamy central school , ramnathapuram
Class : Class 5
why would the answer be d it is c i am sure

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:

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 6:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Yaa it’s bottle gaurd

Ans 6:

Reyansh Sharma from National public school, hsr layout, bangalore
Class : Class 5
The answer should be D

Ans 7:

Agrima from bbps, Bhiwadi
Class : Class 2
A bottle gourd is a climber. So D option is correct

Ans 8:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 6
D OPTION IS CORRECT

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from , Thane
Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Pranathi from GIIS, Kuala Lumpur
Class : Class 7
A

Ans 3:

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

Shridatree from GMGS, Kolkata
Class : Class 5
What will be the position of sun for good afternoon then ?

Ans 2:

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.

Ans 3:

Agnish Chakraborty from The Heritage School, Kolkata
Class : Class 5
It will be A.Good evening.

Ans 4:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 6

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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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Aarush from CA, Bengaluru
Subject :NSO    Class : Class 4

Three uniform planks, P, Q and R are balanced on pivots. Two equal forces, each of value F, act on each plank but in different manners as shown in the figure.Which of the following options is correct regarding this?


APlank P will either bend or break.
BPlank Q will show no movement at all.
CPlank R will be pulled up the pivot.
DPlank P will show no movement at all.


if equal is being applied on Q....on the left lower and right upper end.... wont it balance out and not make Q move? How is option B correct?

Ans 1:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
The correct answer is D

Ans 2:

Dakala Murari from Indian school of excellence, Bangalore
Class : Class 4
answer is d

Ans 3:

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

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Kushagra Kishore from Chrysalis High, Bengaluru
Subject :NSO    Class : Class 6

Read the statements regarding the given food web and select the option that consists of all correct statements.

(i) There are 7 interconnected food chains in the given food web.
(ii) Snake and fox serve as top consumers in the given food web.
(iii) Snake serves as primary, secondary as well as tertiary consumer in the given food web.
(iv) If populations of rat and rabbit are removed from this community then populations of snake and fox will be equally affected negatively.
(v) There are four primary consumers and two secondary consumers in the given food web.
(vi) If the populations of top consumers are removed from this food web then populations of all primary consumers of web will decline.

A(iv) and (v) only
B(i), (iii) and (v) only
C(i) and (ii) only
D(ii), (iv) and (vi) only


The answer should be - d

Ans 1:

Sreeram G K from DPS Faridabad, Faridabad
Class : Class 7

Ans 2:

Kavneet Kaur from Sat Paul Mittal School, Ludhiana
Class : Class 8
Explanation please.

Ans 3:

Advait bhat from Kendriya Vidyalaya , Bangalore
Class : Class 8
i am the god of explanation the two primary consumers are sreeram dps and kanveent kaur

Ans 4:

Advait bhat from Kendriya Vidyalaya , Bangalore
Class : Class 8

Ans 5:

Shubhangi Pathak from Gundecha Edu Academy, Mumbai
Class : Class 6

Ans 6:

Ayan Vohra from Bhavan Vidyalaya Junior, Chandigarh, chandigarh
Class : Class 6
YOU AS WELL ADVAIT HAHAHAHAHAHAHAHA

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ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Subject :NSO    Class : Class 4

Ans 1:

ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Class : Class 9
A

Ans 2:

daksh from future kids , Hyderabad
Class : Class 7
a

Ans 3:

Ryan from YBIS , SINGAPORE
Class : Class 5
A

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ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Subject :NSO    Class : Class 4

Ans 1:

Rounak J from Silver Oaks School , Hyderabad
Class : Class 8
The next number is got by adding 8 .16 8 = 24, 24 8 = 32 and 32 8 = 40. So, 40 8 = 48Answer-B. 48

Ans 2:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5

Ans 3:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5

Ans 4:

Audhira from vydehi school of excellence, bangalore
Class : Class 6
adition of 8 simple plause

Ans 5:

Audhira from vydehi school of excellence, bangalore
Class : Class 6

Ans 6:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5
b aka 48

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