National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
i Do Not KNOW North South East West

Ans 2:

Class : Class 5
ANS:C As the sunset in the west the shadow will fall in the east side. so the park would have most shade is Park R

Ans 3:

Class : Class 3
D

Ans 4:

Class : Class 4
The correct answer is C.

Ans 5:

Class : Class 1
C

Ans 6:

Class : Class 3
c c c c c c c c c c c c c c c c c c c c c

Ans 7:

Class : Class 3
C is the right answer

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
OPTION D) IS CORRECT AS WATER IS INEXHAUSTIBLE,FOREST IS EXHAUSTIBLE,METAL IS RECYCLABLE. AND FOSSIL FUEL CANNOT BE RECYCLED AND IT TAKES MILLIONS OF YEARS TO FORM

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 7
d

Ans 4:

Class : Class 9
OPTION B IS RIGHT

Post Your Answer

Subject :NSO    Class : Class 8

Consider the given statements and select the correct option which correctly identifies true (T) and false (F).
(i) When a body is in steady motion on a surface, the force of friction is dynamic friction.
(ii) The force of friction between two bodies always acts parallel to the surface in contact with each other.
(iii) It is easier to push a lawn roller than to pull.
(iv) Limiting friction is greater than sliding friction.

(i) (ii) (iii) (iv)
A T F T F
B F T F T
C T T T F
D T T F T


Ans 1:

Class : Class 9
B

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 6
A

Ans 3:

Class : Class 4
A

Ans 4:

Class : Class 4
A

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 4

Match the column I with column II and select the correct option.

Column I Column II
(Causes of soil erosion) (Methods of soil conservation)
a. Running water carries
the topsoil with it
1. Embankments
b. Strong winds blow away
humus-rich topsoil
2. Wind breaks
c. Indiscriminate cutting of trees 3. Afforestation
4. Terrace farming


A a-1, 3; b-2; c-4
B a-2, 4; b-1; c-3
C a-2; b-1, 3; c-4
D a-1, 4; b-2; c-3


Give solution

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
Plz explain

Ans 3:

Class : Class 4
pl explain how the ans is D

Ans 4:

Class : Class 5
Dear Admin from revise , kindly share solution / reasoning to this answer.

Ans 5:

Class : Class 6
Can you tell the answer of this question

Ans 6: (Master Answer)

Class : Class 1
The correct answer is D.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
solution is not given

Ans 2:

Class : Class 3
Oh I didn’t realise

Ans 3:

Class : Class 6
Very nice

Post Your Answer

Subject :NSO    Class : Class 7

Priyanka took a destarched potted plant and set up an experiment as shown in the figure. She left the plant in sunlight for few hours and then tested the leaves X and Y for starch. Leaf X did not give starch test while leaf Y showed presence of starch.

What is proved by this experiment?

A Chlorophyll is necessary for photo-synthesis.
B Carbon dioxide is necessary for photo-synthesis.
C Light is necessary for photosynthesis.
D Oxygen is given out during photo-synthesis.


oohhhhhhk

Ans 1:

Class : Class 8
b is correct

Ans 2:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer