National Science Olympiad Forum By SOF Olympiad Trainer - Page 47
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AArav priyadarshi from Delhi Public School, Vindhyanagar
Subject :NSO    Class : Class 6

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Keshav from Apeejay, Noida
Subject :NSO    Class : Class 10

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

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Ryan from YBIS , SINGAPORE
Subject :NSO    Class : Class 5

Unscramble the letters given in column II to make meaningful terms and match column I with column II to select the correct option.

  Column I   Column II
P. Tropical storm
with spinning
winds		 (i) RACERT
Q. Hollow top
of the volcano		 (ii) UGHORDT
R. Extended period
of dry weather		 (iii) ELOCYNC
S. Magma erupting
from a volcano		 (iv) ALAV


AP - (i); Q - (iii); R - (ii); S - (iv)
BP - (iv); Q - (ii); R - (i); S - (iii)
CP - (i); Q - (iii); R - (iv); S - (ii)
DP - (iii); Q - (i); R - (ii); S - (iv)


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Tanmay from Maharaja Agrasen Vidhyalaya, Ahmedabad
Subject :NSO    Class : Class 8

A chain of length L is placed on a horizontal surface shown in the figure. At any instant, x is the length of chain on rough surface and the remaining portion lies on smooth surface. Initially x = 0. A horizontal force P is applied to the chain as shown in the figure. In a given time interval, x changes from x = 0 to x = L. For chain to move with constant speed,


AThe magnitude of P should increase with time
BThe magnitude of P should decrease with time
CThe magnitude of P should increase first and then decrease with time
DThe magnitude of P should decrease first and then increase with time.


Ans 1:

sankalp from Gyan Bharti School, Saket, Delhi
Class : Class 9

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Sachin Agrawal from Manav rachna international school charmwood, Faridabad
Subject :NSO    Class : Class 6

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Srenyasri from SRI SRI RAVISHANKAR VIDYA MANDIR BANGLORE EAST, Bengaluru
Subject :NSO    Class : Class 7

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Meghatyoya from Adamas World School , Barasat
Subject :NSO    Class : Class 3

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Khushi Chhajer from Khushi Chhajer , Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Gauranshi Pant from DPS Gurgaon, Gurgaon
Class : Class 4

Ans 2:

Avyukta Saraswat from St Francis School , Greater noida west
Class : Class 3
it is c or d but which one

Ans 3:

Khushi Chhajer from Khushi Chhajer , Bengaluru
Class : Class 3
please share the explanation

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Diva SINHA from Ralli International School , Ghaziabad
Subject :NSO    Class : Class 6

Read the following passage carefully. P helps to maintain strong eyesight and healthy skin. Q is required for normal growth of bones in children. R is essential for proper functioning of muscles and nerves. S is needed for natural clotting of blood.
Identify P, Q, R and S and select the incorrect statement regarding these.

AQ is produced when the skin is exposed to sunlight.
BR is a mineral, deficiency of which causes spasms, poor digestion, anxiety and sleeplessness.
CCod liver oil is a good source of both P and S.
DS is synthesised in our body by bacteria present in the gut.


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