National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
The correct answer is D

Ans 2:

Class : Class 6
Yes👍 of ans2

Ans 3:

Class : Class 6
Please give answer

Ans 4:

Class : Class 6

Ans 5:

Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.And the food chain should be P then M and then Q and the arrows show who eats whom.For example,the arrow pointing P back pointing to M tells P eats M.

Ans 6:

Class : Class 4
D is the correct answer

Ans 7:

Class : Class 4

Ans 8:

Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.

Ans 9:

Class : Class 5
how is it possible

Ans 10:

Class : Class 4

Ans 11:

Class : Class 3
Tricky question🧐🤨🤔

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
I don't even understand what it is though. :( :)

Ans 2:

Class : Class 4
What?I don't know this.Niether was it in the sipnoses.So,if you answered it correctly,how did you know?Pls answer

Ans 3:

Class : Class 3

Ans 4:

Class : Class 5
Answer is B because something is on the yolk so it is not supposed to be A-Yolk,it is supposed to be B-Germinal Disc.

Ans 5:

Class : Class 4

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5
Answer is B because something is on the yolk marked as x so it is not supposed to be A-Yolk,it is supposed to be B-Germinal Disc.

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 7
The green material is a mixture of copper hydroxide Cu(OH)2 and copper carbonate Cu(OH)2(This is also copy pasted from your solution. Please explain it)

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
D

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
the direction of the frictional force is always to the direction of motion that is why the answer should be (b)

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9
SOF your solution is correct but your answer is wrong and do you people even correct the questions

Ans 6:

Class : Class 8
The Direction of motion Explained in the Solution is wrong Kindly assist with the correct answer.

Ans 7:

Class : Class 8
the direction of the frictional force is always to the direction of motion that is why the answer should be (b)

Ans 8:

Class : Class 8
please consider the frictional force at the point where the contact is made. See the motion of the wheel carefully. it applies force in the direction of Q. therefore the correct answer is S (D)

Ans 9:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
We are running on wet floor so it is obvious that we'll slip. Admin from Revisewise pls. explain this answer. Please explain.

Ans 2:

Class : Class 5
How is running on floor an advantage? Won't we fall?

Ans 3:

Class : Class 9
c

Ans 4:

Class : Class 5
Answer is C because when friction is applied we will not slip if we run so it is an advantage.

Ans 5:

Class : Class 5
Kicking a football while playing is correct. We can't run on wet floor. We will fall down. That's why in school and malls they use boards to alert that the floor is wet and thus no one should run on it.

Ans 6:

Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
Yes.

Ans 2:

Class : Class 8
can you give me the solution for this answerregards nikshay

Ans 3:

Class : Class 8
please give me solution of this question

Ans 4:

Class : Class 8
I think there can be one more possibility of taking out the odd one out that is all other numbers except for 143 which was option a are divisible by 7 well as 143 is not divisible by 7

Post Your Answer

Subject :NSO    Class : Class 1

Ans 1:

Class : Class 3
water

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
ans is c.

Ans 2:

Class : Class 5
Answer is C because Venus does not freeze at night so mercury freezes at night.Jupiter is wider than 11 earths side by side.

Ans 3:

Class : Class 4

Ans 4:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
i think it is B

Ans 5:

Class : Class 5
The answer is Shivam and Anu

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7

Ans 10:

Class : Class 7

Ans 11:

Class : Class 7

Ans 12:

Class : Class 5
smart question..... very tricky........... easily missed by people.... good good good good good good good good good good good good....... wonderful question .....tricked me too

Ans 13:

Class : Class 7

Ans 14:

Class : Class 7

Ans 15:

Class : Class 7

Ans 16:

Class : Class 7

Ans 17:

Class : Class 7

Ans 18:

Class : Class 7

Ans 19:

Class : Class 7

Ans 20:

Class : Class 7

Ans 21:

Class : Class 9
d

Ans 22:

Class : Class 7

Ans 23:

Class : Class 6
tricky - read carefully

Ans 24:

Class : Class 7

Ans 25:

Class : Class 7

Ans 26:

Class : Class 7

Ans 27:

Class : Class 7

Ans 28:

Class : Class 7

Post Your Answer