National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2: (Master Answer)

Class : Class 1

C


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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 4
how many triangles are there in this figure....correct answer is d

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
B

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

C

Heart, artery and vein of group X are part of circulatory system. Brain and spinal cord of group Y are part of nervous system while liver is a part of digestive system. Kidney, lung and skin of group Z are part of excretory system. Hence, liver cannot be placed in group Y.


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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

A fire can be made by rubbing two objects together such as rubbing two pieces of rock having rough surfaces. Which of the following statements explain why a fire can be made by rubbing two objects together?
(i) Friction slows down moving objects.
(ii) Fire gives out heat and light energy.
(iii) Friction produces heat.
(iv) Fire has no mass.

A(ii) only
B(iii) only
C(i), (ii) and (iii) only
D(ii) and (iv) only


incorrect answer

Ans 1:

Class : Class 8
i agree man

Ans 2:

Class : Class 7
the answer is B because fire is caused due to friction not because it gives ot heat and light energy. Sof , could you please clear my doubt

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Subject :NSO    Class : Class 4

Which of the following vehicles runs on diesel or petrol?

A
B
C
DAll of these


If bikes have a small engine they will work on petrol only. If cars have medium engine they will work on both petrol and diesel. If trucks have large engine they will work on diesel only.CC of: Bikes: 100 CC Cars: 1000 CC Trucks: 2000 CC And how can you relate all of this with electricity? You have given nowadays cars run on CNG, solar energy and electricity! HOW IN THE WORLD CAN YOU RELATE PETROL AND DIESEL with SOLAR ENERGY AND ELECTRICITY? This question has a simple answer. If you think D answer the questions listed below. 1. Does truck run on petrol? No. 2. Does car run on both petrol and diesel? Yes. 3. Does motorbike run on diesel? No. So answer is A So simple it is!!! If you think D please explain it to me If you think A please do agree

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Subject :NSO    Class : Class 3

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