National Science Olympiad Forum By SOF Olympiad Trainer - Page 470

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
The answer is D .AS poles attract maximum, the order shud be A>B>D>C

Ans 2:

Class : Class 8
It should be D as middle (c) point should have least pins attracted

Ans 3:

Class : Class 6
IT'S C AS POLES ARE THE STRONGEST PARTS OF THE MAGNET

Ans 4:

Class : Class 7
the answer is c

Ans 5:

Class : Class 9
the answer is D

Ans 6:

Class : Class 9
How it will be C ? as we all have studied , attraction is least in middle . So, in option c , the second highest after a is c . How is that possible ? think yourselvesans should be dwill report SOF

Ans 7:

Class : Class 5

Ans 8:

Class : Class 5
The given diagram represents a Horseshoe magnet, and the poles of a magnet always attract the Maximum quantity of Magnetic Materials. Hence, Option (C) is Correct.

Ans 9:

Class : Class 10
C

Ans 10:

Class : Class 8
I think it's answer is C option.

Ans 11:

Class : Class 9
the answer is D

Ans 12:

Class : Class 9
he anwer is d

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Ans is C because lungs are protected by the ribcage and exchange of gases happen in lungs' bronchioles.

Ans 2:

Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
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Ans 2:

Class : Class 5
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Ans 3:

Class : Class 7
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Ans 4:

Class : Class 5
why cant this be in relation to prime number so that the answer is 323; it's silly to have 8 as sum for a class 5 student

Ans 5:

Class : Class 7
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Ans 6:

Class : Class 10

Ans 7:

Class : Class 8
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Ans 8:

Class : Class 7
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Ans 9:

Class : Class 6
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Ans 10:

Class : Class 5
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Ans 11:

Class : Class 5
We have to add the numbers 1 2 5=84 4 0=83 2 3=81 0 8=9Hence,answer is D

Ans 12:

Class : Class 7
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Ans 13:

Class : Class 8
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Ans 14:

Class : Class 7
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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Explain pls

Ans 2:

Class : Class 3
Explain it

Ans 3:

Class : Class 7
Explain

Ans 4:

Class : Class 6
Group 1 is carnivores and Group 2 is herbivores

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Subject :NSO    Class : Class 3

Nidhi was asked to draw the shadow of a tumbler formed on the screen
behind it, when it is kept in different manners at the same position and light is shone on it from the same direction. She drew three shadows as shown here.


Read the following statements regarding it and select the INCORRECT ones.
(i) Shadow 1 is formed when the tumbler is kept horizontally.
(ii) Shadow 2 is formed when the tumbler is kept vertically upright.
(iii) Shadow 3 is incorrect because the given tumbler cannot cast a rectangular shadow.

A (i) and (ii) only
B (ii) and (iii) only
C (i) and (iii) only
D None of these


Ans 1:

Class : Class 8

Ans 2:

Class : Class 5
Answer should be option A

Ans 3:

Class : Class 5

Ans 4:

Class : Class 3
the third one is wrong

Ans 5:

Class : Class 4
d

Ans 6:

Class : Class 3
A

Ans 7:

Class : Class 5
The third one is the correct answer

Ans 8:

Class : Class 5
A

Ans 9:

Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
The answer is (B) as the book is under gravitational force that's why the book is on the table.

Ans 2:

Class : Class 4
b is answer

Ans 3:

Class : Class 6
But no force is acting on the book

Ans 4:

Class : Class 5
nope i

Ans 5:

Class : Class 5
everyone i;m a teacher

Ans 6:

Class : Class 3
B

Ans 7:

Class : Class 4
(B)

Ans 8:

Class : Class 5
B is the answer bbbbbb. that'ss whyyy the book is o on tabblee.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
sorry by mistake i have written B but the answer is C

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6
answer is B because Oil spill is the condition when mineral oil or petroleum oil being carried on a ship gets spilled in the sea due to some reason. This causes death of aquatic organisms. Oil gets coated on feathers of aquatic birds making them unable to fly and to regulate their body temperatures. This causes death of the birds.

Ans 4:

Class : Class 7
C , oil spill

Ans 5:

Class : Class 6
Ans is C because due to oil spill fishes die because it happens in water. Also, aquatic birds get covered with black coating because of that they can't breathe and they die.

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
A

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