National Science Olympiad Forum By SOF Olympiad Trainer - Page 360
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Lakshya from NPS agara, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Aditya Rai from Kv No.1 Icchanath, Surat
Class : Class 7

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

P reproduces by spores and makes its own food, so P could be fern.Q makes its own food but does not reproduce by spores, so Q could be banyan tree or neem tree.


Ans 3:

Ava from trio, bangalore
Class : Class 2

Ans 4:

Ava from trio, bangalore
Class : Class 2

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Shreyas V Poojary from Sri Sri Ravishankar Vidya Mandir , Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Daksh Kumar from GCIS, Bangalore
Class : Class 7
answer is A

Ans 2:

Shreyas V Poojary from Sri Sri Ravishankar Vidya Mandir , Bangalore
Class : Class 9

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priya from indian school, muscat
Subject :NSO    Class : Class 4

Ans 1:

k tagore from montessori school, KURNOOL
Class : Class 3
master answer

Ans 2:

Navvi Maya KPR from Sacred Heart Matriculation Higher Secondary School, Chennai
Class : Class 8

Ans 3:

Samridh from DelhiPublicSchoolBangloreNorthCambridgeInternational, banglore
Class : Class 6
The Correct Answer is d

Ans 4:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
the volume of water will increase when we add sugar in it...the correct answer should be c

Ans 5:

ANUSHKA from NOTRE DAME ACADEMY, BARH
Class : Class 9

Ans 6:

VISHISHT S PILLAI from Bethany High School, Bangalore
Class : Class 4
The correct answer is D

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BHUVANESH2010 from MAYOOR PRIVATE SCHOOL, ABU DHABI
Subject :NSO    Class : Class 4

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Vaibhav from The Millennium School , Dubai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

We observe that in the 2nd bottle, water has frozen and overflowed over the rim of the bottle. This means that volume of water increases when it freezes. So. it has expanded beyond the rim of the bottle.


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Arin from suncity, gurugram
Subject :NSO    Class : Class 5

Ans 1:

Rimi from TLISK, pune
Class : Class 9
thans for explaining

Ans 2:

Arun from SOT, chennai
Class : Class 6
Dispersal of seed is carried out by wind, water, animals and by explosion. From the given figure it can be inferred that seeds of plants X are dispersed through explosion, e.g., balsam and pea. Seeds of plant Y are dispersed by wind, e.g., dandelion and Hiptage while seeds of plant Z are dispersed by animal, e.g., Xanthium, Urena.

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Dispersal of seed is carried out by wind, water, animals and by explosion. From the given figure it can be inferred that seeds of plants X are dispersed through explosion, e.g., Balsam and pea. Seeds of plant Y are dispersed by wind, e.g., Dandelion and Hiptage while seeds of plant Z are dispersed by animal, e.g., Xanthium, Urena.


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Aaditya Malhotra from Isaac Newton Global School, Mumbai
Subject :NSO    Class : Class 5

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Shreyan Das from South Point School, Kolkata
Subject :NSO    Class : Class 5
m

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Shreejith from EuroSchool , Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
both A and B is correcty

Ans 2:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
both A and B is correcty

Ans 3:

Rahul Narayan Sivakumar from St Kabir, VADODARA
Class : Class 8
Both A and B is correct.

Ans 4:

DEBATREE BANERJEE from ADAMAS WORLD SCHOOL, Kolkata
Class : Class 8
Answer is B

Ans 5:

Amogha from Hindustan international school, Guindy, Chennai
Class : Class 8
Only B is the answer because in picture A it show that K eats N which is not possible.

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Shreejith from EuroSchool , Bangalore
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Air contains oxygen, which helps in burning. To extinguish a fire it is necessary to cut off the supply of oxygen (air).


Ans 2:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
master answer is wrong it is (A)

Ans 3:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 9
why does SOF developers say their answer master answer

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