National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
C paper is opaque

Ans 2:

Class : Class 6
I think it is option(c)

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 4
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Ans 3:

Class : Class 3
the correct ans is C

Ans 4:

Class : Class 4
yes it is C

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B- Overcooking decreases the nutritive value of food.

Ans 2:

Class : Class 3
B overcooking decreases the nutritive value of food

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D - 1 and 4 only

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B- A carbohydrate rich food that is rich in roughage also

Ans 2:

Class : Class 3
the answer should be A as porridge is considered complete food

Ans 3:

Class : Class 3
The answer should be D

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
A - Pizza

Ans 2:

Class : Class 3
The word FRY also appears then potentially Option D Samosa can also be the answer

Ans 3:

Class : Class 3
The answer should be D

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 8

Read the given passage and answer the questions 46 and 47.
The force of friction not only tends to stop a moving object, it also tends to stop a stationary object from moving. That is why it is difficult to push a stone to get it to move on a rough surface.

Friction is almost independent of.
(i) velocity of moving body
(ii) Weight of moving body
(iii) Nature of contact surface of moving body
(iv) Shape of moving body

A(i) and (iv)
B(ii) and (iii)
C(ii) only
DNone of these


when velocity is 0 static friction comes into play and when the velocity increases kinetic fraction comes into action and thus the friction decreases

Ans 1:

Class : Class 6
AND when shape of an object is spherical it undergoes rolling friction and when the shape is a flat surface the moving object undergoes sliding friction which is greater than rolling friction

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9

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