National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 5
A

Post Your Answer

Subject :NSO    Class : Class 4

A toy car is released from point Q of the ramp and travels towards point P. What is/are the force(s) responsible for pulling the car towards point P?

(A) Weight of the car
(B) Earth’s gravity
(C) Earth’s magnetic field
(D) Frictional force between the wheels and the ramp

A (B) only
B (A) and (B) only
C (B) and (D) only
D (A), (B), (C) and (D)


weight of the car should not be called a force. Gravity is the only force that is pulling the car here. answer should be A

Ans 1:

Class : Class 4
A weight of car not option

Ans 2:

Class : Class 5
Sorry ,i thought d instead of c.

Ans 3:

Class : Class 4
how is it A

Ans 4:

Class : Class 4
How come?Please explain

Ans 5:

Class : Class 4
Please explain this I did not understand

Ans 6:

Class : Class 5
I thought the answer is c because every option makes the car move.

Ans 7:

Class : Class 4
B

Ans 8:

Class : Class 4
The answer is WRONG

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
I thought the answer is c

Ans 2:

Class : Class 5
A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 4
YES D

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
it is d not c

Ans 2:

Class : Class 6
not cit is b

Ans 3:

Class : Class 6
C no.

Ans 4:

Class : Class 4
C is NOT THE ANSWER

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
It's wrong because Football is an outdoor game and chess is an indoor game so the ans is "C"

Post Your Answer

Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
oggy

Ans 2:

Class : Class 2
A bottle gourd is a climber. So D option is correct

Ans 3:

Class : Class 2
A bottle gourd is a climber not a creeper. so the answer should be- D

Ans 4:

Class : Class 2
it is a corn not a bottle gourd so it should be a!

Ans 5:

Class : Class 6
The ans,shoud be d

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6
it must be carbon dioxide

Ans 2:

Class : Class 7
it should be carbon dioxide (CO2)

Ans 3:

Class : Class 8
It is not.It is carbon dioxide.(a)

Ans 4:

Class : Class 7
A

Post Your Answer

Subject :NSO    Class : Class 2

Post Your Answer