National Science Olympiad Forum By SOF Olympiad Trainer - Page 646
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siddarth from DPS Ecity, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
C

Ans 3: (Master Answer)

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

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Debeesmita Lenka from DAV PUBLIC SCHOOL CHANDRASEKHARPUR, BHUBANESWAR
Subject :NSO    Class : Class 5

Ans 1:

Aswath Krishna from DPS EAST, Bengaluru
Class : Class 6
C is the correct answer as comparatively wind will make the clothes dry the fastest.

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Sayyed Saad Aman from Gurukul English School,Beed, Beed
Subject :NSO    Class : Class 3

Ans 1:

aarav m from kumarans, bengaluru
Class : Class 3
Yes,answer is D

Ans 2:

Priyanshi Pritam from Vibgyor High, Bangalore
Class : Class 4
d

Ans 3:

Darshini Chakravarty from Pinnacle High International School, Mumbai
Class : Class 4
C is then answer not D

Ans 4:

Vidit Kishore from Johnson Grammar School, Hyderabad
Class : Class 4

Ans 5:

Sagnik Roy from Nava Nalanda Santiniketan Shakha, Bolpur
Class : Class 8
C

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer is D because Y is Duck and X is Penguin both are correct . Hence , answer D is correct .

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is D not C .

Ans 8:

Advaith from Lvis, Gurgaon
Class : Class 5

Ans 9:

Santina Suzanne from owis, bangalore
Class : Class 3
it is very hard

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer is D , look at the Venn diagram once .

Ans 11:

anu from The Amaatra Academy, Bengaluru
Class : Class 5
solve 5 56465685=

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param ahuja from m.p.s, Ajmer
Subject :NSO    Class : Class 7

Ans 1:

Saranya Kapoor from Shikshantar, Gurugram
Class : Class 10
the answer is (d), as calcium hydroxide is a base and it neutralises the effect of the acids in wastewater

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Praket Tejas from Delhi Public School Indira Nagar Lucknow, Lucknow
Subject :NSO    Class : Class 4

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Abhay rajvanshi from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Nilarka Pahari from Young Horizons School, Kolkata
Class : Class 4

Ans 2:

Aaditya Nair Sujith from Mayoor Private School, Abudhabi, AbuDhabi
Class : Class 5
option a, because The graph shows that place X has temperatures in the range of 35 to 50°C thus it must be a hot and dry place. Animals living here adapt themselves to reduce sweating in order to prevent water loss from body.

Ans 3:

Jibran Noorshah from Christ Academy, Bangalore
Class : Class 5
Answer is "A". Since there are technical glitches it shows it as "B"

Ans 4:

NeilRaphaelVeigas from Rockwell International School, Hyderabad
Class : Class 6

Ans 5:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
ANSWER IS A I WROTE IT WRONG IN FORUM IT SHOWS A BRUH ;-;

Ans 6:

Biju Pappachan from Rkc , Raipur
Class : Class 1

Ans 7:

Biju Pappachan from Rkc , Raipur
Class : Class 1

Ans 8:

Rimi from TLISK, pune
Class : Class 9
Aryaveer and shourya shinde, maybe it be a technical error. But you are right

Ans 9:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
Answer is d

Ans 10:

Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 8
1)When option 'a' choosed SOF shows option 'b' as correct answer and vica-versa. 2) In the book the correct answer is 'a' but over here it is showing as 'b'.

Ans 11:

Jibran Noorshah from Christ Academy, Bangalore
Class : Class 5

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Pushti Shah from mount carmel, ahmedabad
Subject :NSO    Class : Class 6

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 5

Ans 1:

SelvaSundari Sundara Murugan from kendriya vidyalaya, chennai
Class : Class 5
Stomach will grind the food particles into smaller one and in small intestine only finally digestion will takes place and the nutrients will absorbed by blood.

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8

Ans 3:

Shivangi from St. Michael's High School, Patna
Class : Class 5
Small Intestine

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Varsha from Harvest, Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
It is plant P because if we compare 5 1/2cm with other measures, it will be the largest.

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Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 4

Ans 1:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 8

Ans 2:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
My Answer is DPollination is when pollen of a plant travels from one plant to another by something (i.e.Insect and water). Pollens are used to grow seeds in the plant

Ans 3:

Emma Miriam George from Sophia High School, Bangalore
Class : Class 3

Ans 4:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 8

Ans 5:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 5
Option D

Ans 6:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
I go with Jasnoor's option. A

Ans 7:

Advaita sinha from NPSI, Singapore
Class : Class 5

Ans 8: (Master Answer)

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

Ans 9:

Yatindra G from SBOA, Chennai
Class : Class 4
Guys!! Date palm grows in deserts. they are asking about a plant in hilly ares.

Ans 10:

Sashrik S Bhalerao from NHP school, Airoli
Class : Class 1
D.

Ans 11:

Aditya N K from Bharathiya Vidya Bhavan, Calicut
Class : Class 4
what is pollination

Ans 12:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5

Ans 13:

Jasnoor from DAV public school, Ludhiana
Class : Class 4
A

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