National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
C no.

Ans 2:

Class : Class 6
THERE IS NO CORRECT ANSWER IN THIS QUESTION!!!!!!

Ans 3:

Class : Class 7
C is NOT THE ANSWER

Ans 4:

Class : Class 7
not cit is b

Ans 5:

Class : Class 6
actually a change cannot be physical and chemical change as Physical : A change in which composition of matter does not change.Chemical : A change in which composition of matter does not change.They are opposite changes.There is no correct answer!

Ans 6:

Class : Class 6
B

Ans 7:

Class : Class 6
it is d not c

Ans 8:

Class : Class 6
It should be B

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
WE need to select the incorrect pair. hence answer is D.

Ans 2:

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
D OPTION IS CORRECT

Ans 2:

Class : Class 2
Yaa it’s bottle gaurd

Ans 3:

Class : Class 3
oggy

Ans 4:

Class : Class 3
it is a corn not a bottle gourd so it should be a!

Ans 5:

Class : Class 7
The ans,shoud be d

Ans 6:

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

Ans 7:

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

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
A

Ans 2:

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

Ans 3:

Class : Class 8
it must be carbon dioxide

Ans 4:

Class : Class 9
It is not.It is carbon dioxide.(a)

Post Your Answer

Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
It will be A.Good evening.

Ans 2:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 3
The student is studying soil erosion. The top soil collected is maximum, so it is easily eroded. Answer- A. Top soil is easily eroded.

Ans 2:

Class : Class 5
LolWrong question.

Post Your Answer

Subject :NSO    Class : Class 4

Three uniform planks, P, Q and R are balanced on pivots. Two equal forces, each of value F, act on each plank but in different manners as shown in the figure.Which of the following options is correct regarding this?


APlank P will either bend or break.
BPlank Q will show no movement at all.
CPlank R will be pulled up the pivot.
DPlank P will show no movement at all.


if equal is being applied on Q....on the left lower and right upper end.... wont it balance out and not make Q move? How is option B correct?

Ans 1:

Class : Class 4
answer is d

Ans 2:

Class : Class 4
B

Ans 3:

Class : Class 5
The correct answer is D

Post Your Answer

Subject :NSO    Class : Class 6

Read the statements regarding the given food web and select the option that consists of all correct statements.

(i) There are 7 interconnected food chains in the given food web.
(ii) Snake and fox serve as top consumers in the given food web.
(iii) Snake serves as primary, secondary as well as tertiary consumer in the given food web.
(iv) If populations of rat and rabbit are removed from this community then populations of snake and fox will be equally affected negatively.
(v) There are four primary consumers and two secondary consumers in the given food web.
(vi) If the populations of top consumers are removed from this food web then populations of all primary consumers of web will decline.

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


The answer should be - d

Ans 1:

Class : Class 6
Explanation please.

Ans 2:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
a

Ans 2:

Class : Class 6
A

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
The next number is got by adding 8 .16 8 = 24, 24 8 = 32 and 32 8 = 40. So, 40 8 = 48Answer-B. 48

Ans 3:

Class : Class 4
b aka 48

Ans 4:

Class : Class 4

Post Your Answer