National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 5

Study the given passage.
X, Y and Z are different parts of the brain. X controls musculo-skeletal movement, Y controls learning ability and memory and Z controls activities such as breathing, heartbeat and blood circulation. Identify X, Y and Z and select the incorrect statement regarding them.

AX is the largest part of the brain whereas Z connects the brain to spinal cord.
BY is the upper part of brain also controls our sense organs.
CZ is also called brain stem and it works even when we are asleep.
DX is located below Y towards the back of the brain.


Ans 1:

Class : Class 4

Ans 2:

Class : Class 6
B is the answer to this question but it is showing A as correct option and it is showing B as correct option in the solutions.

Ans 3:

Class : Class 7
This question is correct

Ans 4:

Class : Class 7
THERE CHECKING IS WRONG AS ANSWER IS C

Ans 5:

Class : Class 6
Correct answer should be d because cerebellum is below cerebrum, located towards the back of the brain.

Ans 6:

Class : Class 5
Both A and C are correct

Ans 7:

Class : Class 6
this question is wrong

Ans 8:

Class : Class 6
cerebrum is the largest part of the brain. cerebellum is the second largest part and it controls musculo-skeleton movement

Post Your Answer

Subject :NSO    Class : Class 3

Which of the following holds true for water transport?
1. It provides door to door service.
2. Perishable goods like milk, fruits and vegetables are quickly carried by it.
3. It is very useful for transporting heavy and bulky goods.
4. It is a better mode of transportation for petroleum and its products as it involves crosscontinental transfers.
5. It is very useful at the time of natural or any other calamities for saving people or supplying goods of their basic requirements immediately.

A 3 and 4
B 1, 2 and 5
C 2, 3 and 4
D 4 and 5


Ans 1:

Class : Class 3
A

Ans 2:

Class : Class 1
A

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
The option selected here is wrong.

Ans 2:

Class : Class 7
What is this? Answer and solution are completely different, they are not matching!

Ans 3:

Class : Class 6
Although the explanation is correct, it does not match the answer

Ans 4:

Class : Class 6
The answer does not match with the solution. There should be a change in the answer.

Ans 5:

Class : Class 5

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6
NA

Ans 8:

Class : Class 7
YES , their answer is not matching with their solution !!

Ans 9:

Class : Class 8
ayush u are right!!!!!!!!!!!!!!!

Ans 10:

Class : Class 8
yes !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 11:

Class : Class 7
they aren't giving the answer and the solution same in some papers

Ans 12:

Class : Class 8
please explain. your solution doesn't match the correct answer provided by you.

Ans 13:

Class : Class 6

Ans 14:

Class : Class 7
The ans is not matching!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 15:

Class : Class 8
clear objection

Ans 16:

Class : Class 7

Ans 17:

Class : Class 8

Ans 18:

Class : Class 8

Ans 19:

Class : Class 7
Given correct answer and explanation do not match...please rectify...

Ans 20:

Class : Class 3

Ans 21:

Class : Class 7
why arent they changing the answer

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
The answer is wrong. It is 0.2

Ans 2:

Class : Class 8
please explain the answer

Ans 3:

Class : Class 6
The answer should be 0.2 s

Ans 4:

Class : Class 7
The answer seems to be wrong. 5 seconds to complete 25 oscillations. That means for one oscillation it is 5/25 = 0.2 seconds. 'Period' usually means one complete oscillation that is 0.2 seconds and that is not given.

Ans 5:

Class : Class 7
I THINK IT COMPLETES 25 OSCILLATIONS IN 5s

Ans 6:

Class : Class 6

Ans 7:

Class : Class 7

Ans 8:

Class : Class 8
answer is wrong it should be 0.2 s

Ans 9:

Class : Class 7
wrong answer. should be 0.2s

Ans 10:

Class : Class 8
According to definition - answer would be 0.2 s

Ans 11:

Class : Class 8
the answer is wrong , it should be 0.2s. please kindly provide the solution to this question.

Ans 12:

Class : Class 4
Answer is wrong

Ans 13:

Class : Class 8
I think this answer is wrong. It should be 0.2 seconds, according to the definition of a Time Period in oscillatory motion.

Ans 14:

Class : Class 6
The answer has to be 0.2 seconds(5/25). Pls correct

Ans 15:

Class : Class 8
According to definition - answer would be 0.2 s

Ans 16:

Class : Class 8
the answer is wrong

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5
C

Ans 3:

Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
option b is the correct answer

Ans 2:

Class : Class 7
Option B

Ans 3:

Class : Class 8
option a

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
It will cause full moon ???

Ans 5:

Class : Class 5

Ans 6:

Class : Class 7
c

Ans 7:

Class : Class 3
C

Ans 8:

Class : Class 6
how is this possible

Ans 9:

Class : Class 4
only c

Ans 10:

Class : Class 5
This is wrong i thinkThe answer should be C

Ans 11:

Class : Class 6
b) IT SHD BE FULLLLLLLLLLLLLL MOOOOOOOOOOOOOON!?!??!

Ans 12:

Class : Class 6
Moon will get no sunlight.THIS ISN’T POSSIBLE!!!!!

Ans 13:

Class : Class 6
It is showing C as the answer to this question

Ans 14:

Class : Class 6
but how?

Ans 15:

Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
THE ANSWER IS B

Post Your Answer