National Science Olympiad Forum By SOF Olympiad Trainer - Page 371
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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

P is not a natural fibre. so, it can be any synthetic fibre like nylon or rayon. Q can be any natural fibre that is obtained from plant. So, it can be cotton or jute. R an be any natural fibre that is obtained from animal. So, it can be wool or silk.


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Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Subject :NSO    Class : Class 3

Ans 1:

Kashika Goel from DPS Noida, Noida
Class : Class 7
no because between Venus and Jupiter 2 planets come in between so they may be talking of mars also we don,t know that and we are sure that option a and b are correct hence d is correct

Ans 2:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 8

Ans 3:

Samik Praveen from Euro School Airoli, Mumbai
Class : Class 6

Ans 4:

Nishant Hazarika from Air Force School, Dibrugarh
Class : Class 3
C can also be the answer as the planets between Venus and Jupiter are Mars and Earth

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prakash jahagirdar from amanora school, Pune
Subject :NSO    Class : Class 7

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

Ans 1:

NIRANJAN A from national public school, NAMAKKAL
Class : Class 7
i think it is option A.

Ans 2:

Admin fly from Ddssxxx, Ax
Class : Class 1

Ans 3:

NIRANJAN A from national public school, NAMAKKAL
Class : Class 7
i think it is option A.

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Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Subject :NSO    Class : Class 6

Ans 1:

ANURAG MOHANTY from DAV Public School Burla, SAMBALPUR
Class : Class 10

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

 

In the given figure P is flower, Q is fruit, R is leaf, S is stem and T is root. In cabbage, leaves are modified to store food. Fruit is not always edible in all plants. In some plants, other parts such as roots, stems, etc., are edible. In potato, the stem stores food and becomes swollen.


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Ishan Boggarapu from NPS Whitefield, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Bhumanyu Bora from Delhi Public School, Duliajan
Class : Class 5
oh yeah , you are right its D

Ans 2:

Sahana from dpsnoida, Noida
Class : Class 3

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

In the given food chain if the population of frog decreases, then it will lead to an increase in the grasshopper population. As there will be less frogs to feed upon the grasshoppers.


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Sneha Sarkar from South city international school, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Sanyam Gupta from DPS Noida, Noida
Class : Class 3
hi

Ans 2:

Shruti from ,
Class : Class 1
March has 31 days

Ans 3:

Shriram from Velammal New Gen, Madipakkam, Chennai
Class : Class 5

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

Ans 1:

sri from indian school bousher, muscat
Class : Class 7

Ans 2:

Geetha Bhanu Sri from Cornerstone public school, hyderabad
Class : Class 7

Ans 3:

Eknoor singh from Mind tree school, Ambala city
Class : Class 7
This is because the alternate digits are added by 3 and the rest are added by 1, 2 and so on…

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Admin fly from Ddssxxx, Ax
Subject :NSO    Class : Class 7

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Deepak Maniganda from KV Mysuru, Mysuru
Subject :NSO    Class : Class 10

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