National Science Olympiad Forum By SOF Olympiad Trainer - Page 797
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ASHNA JAIN from inventure ACADEMY, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 10
the correct option is D and i have written D then also they had given me wrong and they had telling the answer B.

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kaithabjeetsingh@gmail.com from the shri ram school aravali, Gurgaon
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

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

Ans 2:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
How

Ans 3:

Rudra Patil from Podar International School, Aurangabad C.B.S.E, Aurangabad
Class : Class 4
Please Explain why is the answer (B)

Ans 4:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 5:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
B IS GIVEN HERE IN NSO TEST.

Ans 6:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10

Ans 7:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
how is the answerB. according to my science text book ( New science ahead class 7, pg.47), Black not only absorbs heat fast,but also radiates heat fast and cools down faster, accordingto that,answermust be A.

Ans 8:

Anubhab Maity from Dps ruby park, Kolkata
Class : Class 7

Ans 9:

Supratim Biswas from DPS RUBY PARK KOLKATA, kolkata
Class : Class 5

Ans 10:

Prathamesh Raje from DPS Electronic City, Bangalore
Class : Class 9

Ans 11:

Arnav Raj Sharma from The gulibilium school, Gurgaon
Class : Class 9
why not A

Ans 12:

aritroray from Chirec International School, Hyderabad
Class : Class 8
It should be A

Ans 13:

Prathamesh Raje from DPS Electronic City, Bangalore
Class : Class 9
Why

Ans 14:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 15:

Prathamesh Raje from DPS Electronic City, Bangalore
Class : Class 9
I agree with you Anushree because the same thing is given in our science textbook also

Ans 16:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
Black radiates and absorbs heat faster. Confirmation is their in almost all science tb and google too. So answer must be A. WHY NOT A

Ans 17:

Rayhan Khan from Sister Nivedita School, Hyderabad
Class : Class 7
Why is it A?

Ans 18:

Sradha Ratheesh from MGM central Public School, Trivandrum
Class : Class 8
It's A right?

Ans 19:

Archit Santosh Darakh from Podar International School , Aurangabad
Class : Class 9

Ans 20:

GAUTHAM GOPINATH from BPDAV School, HYDERABAD
Class : Class 10
I think that the answer is A.Could someone explain why it is B?

Ans 21:

tashu gupta from Shanti Asiatic , jaipur
Class : Class 7
WHY NOT A

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SAUGATA SAHA from ,
Subject :NSO    Class : Class 3

Ans 1:

from ,
Class :
The pencil looks bent because of the phenomenon called Refraction. When light enters water it cannot move as fast as it does in the air. As the light enters the water on an angle it does not follow its original path, and this makes the image look bend.

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kaithabjeetsingh@gmail.com from the shri ram school aravali, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Taksh from St John High School, Mumbai
Class : Class 8
Ans a

Ans 2:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
the answer is c according to me as convex mirror always forms diminished , erect and virtual image

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TEJAS SHENDE from kendriya Vidyalaya IIT Mumbai, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

parijatsomani from The Global Edge School, Hyderabad
Class : Class 7
they are asking what is incorrect

Ans 2:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
as u are correct that pumule form the shoot of plant but in some cases it is future root like in some plants radicle decay due to some disease so pumule grows as root . So here right option will be "c"

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Chandan NS from DPS NORTH, Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

from ,
Class :
Answer is option C. Both Radio and Television can be used to get updates because they support audio.

Ans 2:

Praveen Tiwari from St Joseph high school, Maharajganj
Class : Class 9
Maharajganj

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Chandan NS from DPS NORTH, Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

from ,
Class :
Tailor bird. It makes its nest with the leaves sewn to gether.

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Apurv Yadnopavit from Hutchings high school talegaon pune, Pune
Subject :NSO    Class : Class 8

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gourinandana from delhi public school gbn, Noida
Subject :NSO    Class : Class 8

Ans 1:

Dr Anupa Ghosh from ,
Class : Class 8
The correct answer is crop rotation(C).

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OM KANADE from Euro School, Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Aakarshak Swaraj from Podar international school , Surat , Surat
Class : Class 7
please explain the answer of this question

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