National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 5

The given diagram shows the life cycle of a plant.

Which of the following statements are true regarding it?
(i) Sunlight is not needed at stage Q.
(ii) Photosynthesis takes place only at stages R and S.
(iii) Stage P is not affected by what happens at stage T.
(iv) The seed at stage P needs air, water and warmth to reach stage Q.

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


Post Your Answer

Subject :NSO    Class : Class 6

Study the given Venn diagram.

Centre point represents

AFormation of clouds
BGlowing of hot iron
CThreshing of wheat crop
DRusting of iron.


The answer is option D as rusting of Iron is a slow change as it takes along time.It is a chemical change as many chemical reactions occur when Rusting of Iron happens It is a Irreversible change as you cannot reverse the Rusting of Iron.Thank youI hope I prove to be some help.

Ans 1:

Class : Class 7
Thanks

Ans 2:

Class : Class 6
The answer is D as 1.Rusting Is slow change as it takes a long time for Iron to rust.2.Rusting Is also a chemical change as many chemical reactions occur in The Rusting process 3.Rusting is a Irreversible change as we can not change the effect of rustingThank youI hope I proved to be some help

Post Your Answer

Subject :NSO    Class : Class 4

Study the following conversation.
Amit : P is body building food and helps our body to grow.
Beena : Q is undigestible and helps to remove waste material out of the body.
Asha : R is energy giving food and among all the nutrients it gives maximum energy.
Select the INCORRECT option regarding P, Q and R.

AP could be produced in the human skin on being exposed to the sunlight.
BR could help in the formation of blood and is found in citrus fruits.
CQ is stored in the body and could help to keep the body warm.
DAll of these


Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 3
D

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
don't protest

Ans 2:

Class : Class 7
When u know all the answers then what is the need to ask us??

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
It will be D !!!!!!!!!!

Ans 2:

Class : Class 6
NO !!!!!! THE ANS IS C!!!!

Ans 3:

Class : Class 7
The answer is D.

Ans 4:

Class : Class 6
The answer should be D as all the options except D have a circular point.metal rings also have circle shape for fitting of fingers but they are hollow and let Light pass through it and as we know Light only passes through Opaque objects.

Ans 5:

Class : Class 6
the answer according to the question is wrong

Ans 6:

Class : Class 7
wow

Ans 7:

Class : Class 7
No, it's d

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 5
D

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 1
the answer is B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 1
the answer is C!!!!!!!!!!!!!!!!

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
WHY DISTILLATION METHOD FOR SEPARATION OF TWO IMMISCIBLE LIQUID IS WRONG?

Ans 4:

Class : Class 6

Post Your Answer