National Science Olympiad Forum By SOF Olympiad Trainer - Page 674
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Ali Hussain from Delhi Private School Dubai, Dubai
Subject :NSO    Class : Class 5

Ans 1:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6
WATER VAPOUR IS A GREENHOUSE GAS???????????????????????????????????????????????????????????????????????????????

Ans 2:

Lakshmi from FPS, Bangalore
Class : Class 10

Ans 3:

from GIIS,
Class : Class 4
Exactly , water vapour is a green house gas as it is made up of dust particles

Ans 4:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9
Please tell the answer

Ans 5:

Sannidhya Sharma from Gayatri Devi Goenka Public, Jammu
Class : Class 5
Yes it is Soorya tej R

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Gargi SB from SSRVM, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Answer is D. 'Liking a subject' and 'being good in a subject' is different.SOF and @Admin from Revisewise pls. explain

Ans 2:

Ishaan Singh from BBPS, Gurugram
Class : Class 9
It should be can't be determined because liking and being good are two different things ok get noobed

Ans 3:

Vanshika Gupta from Kulachi Hansraj Model School, Delhi
Class : Class 4
correct answer is RIYA option b

Ans 4:

Tejasvini Agarwal from The Shriram Millenium School Noida, Noida
Class : Class 5
Question is ambiguous as liking and being good in a subject are both different aspects.

Ans 5:

Sooraj Ranjan from St Gregorios High School, Mumbai
Class : Class 6
Loke the subject and good in Subject are two diffrent things..So,option D should be correct

Ans 6:

Dhrishaj from Kendriya Vidyalay, IISc, Bangalore
Class : Class 6
answer is (B) simple!

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Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
There are 9 flowers. The middle one is the 5th Flower (Blue). To the right of it are 4 flowers blue, green, red, blue. Hence there are 2 blue flowers to the right of middle flower

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Nikkita from Euroschool Whitefield, Bengaluru
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Group P: Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Group Q: Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones. Hence d is the correct option.

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Nikkita from Euroschool Whitefield, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9
a

Ans 2:

Anoushka Chhauda from Sanskriti, Pune
Class : Class 8
6

Ans 3:

Rohan TR from Sri Aurobindo memorial school, Bangalore
Class : Class 6

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

Ans 5:

Anushka Srivastava from Cjm, Dehradun
Class : Class 7

Ans 6:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10
In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.thats the reason

Ans 7:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9

Ans 8:

tanmay chaudhry from BAL BHAVAN PUBLIC SCHOOL, New Delhi
Class : Class 4

Ans 9:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6

Ans 10: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
In figure I, evaporation of water from sugar solution is a physical change because there is only change in state of matter from liquid (sugar solution) to solid state (crystals of sugar). In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.

Ans 11:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
VOILA

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DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Subject :NSO    Class : Class 4

Ans 1:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
How can Sukhdev be from Punjab also and Gujarat also?????????????

Ans 2:

Biradar Mahendra from Jai Hind Public school Udgir , Udgir
Class : Class 4
C

Ans 3:

vineet8026@gmail.com from dps, Doha
Class : Class 1
It is C

Ans 4:

Riya V Kaggal from Vibgyor High Hennur, Bangalore
Class : Class 4
Answer is C because it says which is incorrect

Ans 5:

Ayushmaan Das from SANSKRITI THE GURUKUL GUWAHATI, Guwahati
Class : Class 5
The answer is D

Ans 6:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I read correct be sorry

Ans 7:

Nikkita from Euroschool Whitefield, Bengaluru
Class : Class 6
I think the answer is (c) 3&4 Because they both are incorrect

Ans 8:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6
d

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Inakshi Dev from Hemsheela, Kolkatta, Kolkatta
Subject :NSO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is C because it tells a laptop changes electrical energy to light and sound energy and this tells energy changes from one form to another.

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Anushi Pandey from St xaviers High School, Gurugram
Subject :NSO    Class : Class 5

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Shreeansh Mohapatra from KENDRIYA VIDYALYA, MYSURU
Subject :NSO    Class : Class 5

Ans 1:

Ali Hussain from Delhi Private School Dubai, Dubai
Class : Class 6
hinge joint

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Niten Mohan from ,
Subject :NSO    Class : Class 8

Ans 1:

dhruv from Sri Aurobindo Memorial School, Bengaluru
Class : Class 9
it is test tube three as it depends on the reactivity series.only in test tube 3 zinc displaces copper and in the rest the metals cant displace the alternate metal as the metal in the salt solution is more reactive than the other metal

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