National Science Olympiad Forum By SOF Olympiad Trainer - Page 862
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Saharsh Aggarwal from Redwood High International School, MUMBAI SUBUEBAN
Subject :NSO    Class : Class 5

Ans 1:

from ,
Class :
explain

Ans 2:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8

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Bhabani Prasad from Narayan School, Kolkata
Class : Class 6

Ans 4:

from ,
Class :

Ans 5:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 7

Ans 6:

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

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Hemant Ayuj from Shanti Asiatic, Ahmedabad
Subject :NSO    Class : Class 6

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Hemant Ayuj from Shanti Asiatic, Ahmedabad
Subject :NSO    Class : Class 6

Ans 1:

Tushar from DPS, Bengaluru
Class : Class 9
Correct answer is option D.

Ans 2:

from ,
Class :
its D as the force of attraction and repulsion(depicted by arrows)should be equal i.e if there are arrows of repulsion(going north either south)is 2 then there should be equally 2 arrows of attraction.

Ans 3:

from ,
Class :
Correct answer is d

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Hemant Ayuj from Shanti Asiatic, Ahmedabad
Subject :NSO    Class : Class 6

Ans 1:

Tushar from DPS, Bengaluru
Class : Class 9
Higher the height, higher the potential energy. Hence the correct option is B.

Ans 2:

from ,
Class :
B

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bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

Tushar from DPS, Bengaluru
Class : Class 9
Correct option is B.

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bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

HARSHAL KUTE from cambridge school buldhana, Buldhana
Class : Class 6
Aren't jute plants biodegradable and replenishes earth's nutrient????

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bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

from ,
Class :

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bharat gawade from ,
Subject :NSO    Class : Class 6

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bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

from ,
Class :
Ans b As less water is absorbed by soil so there is scarcity of water. Leaves of pine trees are modified to spines as the surface area of needle like leaves is much less than normal leaves and less transpiration is done by them. In that way pine trees save water.

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from ,
Class :
I agree with you, sanajy, this adaptation is done in desert plants. In mountaineous plants its done for something else.

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sachinthite@rocketmail.com from Sinhghad Public School Korti, Pandharpur
Class : Class 4
ok dadaaaa

Ans 4:

from ,
Class :
leaves of pine trees are needle like so that snow falls easily and do not collect on the leaves so i think the answer is wrong

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bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

from ,
Class :
ya bro

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ISHRAT SINGLA from D.A.V. PUBLIC SCHOOL, B.R.S. NAGAR, LUDHIANA., Ludhiana
Class : Class 9
Yes it should be done

Ans 3:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
Demonstrate the same with the help of a picture so as to have a better understanding of this question.

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