National Science Olympiad Forum By SOF Olympiad Trainer - Page 379
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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: (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.


Ans 2:

Sahana from dpsnoida, Noida
Class : Class 3

Ans 3:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

Shruti from ,
Class : Class 1
March has 31 days

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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:

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…

Ans 3:

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

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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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Ronav Kerkar from Jamnabai Narsee School, Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option C. 


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Ronav Kerkar from Jamnabai Narsee School, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
CORRECT ANSWER IS D

Ans 2:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
The correct ans is D. :-)

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Sunita needs a waterproof container to carry water, so X cannot be a cardboard. Pihu needs a sheet to absorb oil,  so Y cannot be plastic as it cannot absorb oil. Rahul needs a box made up of a material that is a bad conductor of heat, so it cannot be steel.
Y can be cotton as it will absorb the oil.


Ans 4:

Samvita Patil from NHVPS, Bangalore
Class : Class 7
steel is actually a good conducter and lets ice melt but here in the solution they have given wrong as they have written it as steel in a bad conducter of heat.

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Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 6

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