National Science Olympiad Forum By SOF Olympiad Trainer - Page 55
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Spruha from AVM, mumbai
Subject :NSO    Class : Class 4

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Sharan from Shamrock international school, Vijaywada
Subject :NSO    Class : Class 8

Read the given statements and select the correct option.
Statement 1 : It is difficult to drive a vehicle at high speed on a rainy day.
Statement 2 : Friction depends on the nature of surfaces in contact.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


The answer to this question has to be A but the test says B. I do not understand at all. Can someone explain

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PAANINIDHEE CHATURVEDI from Delhi Public School, Noida
Subject :NSO    Class : Class 4

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Abhay Sai Lakhinana from Silver Oaks International School, Hyderabad
Subject :NSO    Class : Class 2

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Daksh dhanwani from Gmr chinmaya vidyalaya, Telangana
Subject :NSO    Class : Class 7

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Rajkishore Gupta from City Pride, Pune
Subject :NSO    Class : Class 4

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Ramansh from kudos international, bundi
Subject :NSO    Class : Class 5

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Ramansh from kudos international, bundi
Subject :NSO    Class : Class 5

Ans 1:

Kartikeya Bhagwat from The Millennium School, Lucknow
Class : Class 5
It should be brain as this is a reflex action and doesn't use brain, the spinal cord controls the action and nerves send messages and brain isn't used at that time.

Ans 2:

Saviyo Sanish from GIIS Abudhabi , Baniyas
Class : Class 6
brain does not get the message

Ans 3:

Sayak Dey from VMS, Kolkata
Class : Class 6
The option will be (A) Brain

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Arnav Loganathan from Suguna PIPS , Coimbatore
Subject :NSO    Class : Class 4

Ans 1:

Arnav Loganathan from Suguna PIPS , Coimbatore
Class : Class 4
B Arnav Logonathan

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Anwesha30 from Cambridge, Mangalore
Subject :NSO    Class : Class 10

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