National Science Olympiad Forum By SOF Olympiad Trainer - Page 434

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
Pygmy shrew

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Three different types of materials X, Y and Z were used in the experiment shown below here. In both circuits, the bulbs lighted up.

Another different circuit was set up and three of the materials were placed at three different positions, Q1, Q2 and Q3.

Based on the above circuits, which one of the following is wrong?
Positions in the circuit--- Light bulbs

Q1 Q2 Q3 B1 B2 B3
A X Y Z No Yes No
B Y Z X Yes Yes No
C Z X Y Yes No Yes
D X Z Y No No No


not understanding

Ans 1:

Class : Class 7
plz answer

Ans 2:

Class : Class 7
ANSWER IS B

Ans 3:

Class : Class 3
And is A since X is insulator it doesn't allow electricityTo pass through so nothing glows

Ans 4:

Class : Class 5
someone please explainnnnn

Ans 5:

Class : Class 7
Read the question carefully kids!

Ans 6:

Class : Class 6
Answer supposed to be b

Ans 7:

Class : Class 7
It says which one is wrong, not right

Ans 8:

Class : Class 7
Can someone explain it ,please??

Ans 9:

Class : Class 10

Ans 10:

Class : Class 10
The answer is C as if assume x as a insulator , all other condition satisfy

Ans 11:

Class : Class 10

Ans 12:

Class : Class 3
pls explain

Ans 13:

Class : Class 6
Very good question. Here object X is a insulator but the bulbs glow up because of parallel connection of circuit. So according to that, option A is wrong and is the correct answer.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Wrong answer provided . Even the solution says answer d

Ans 2:

Class : Class 7
Q also can be cockroach. Thus in my OPINION C can also be the answer

Ans 3:

Class : Class 7
but the question says to choose incorrect answer

Ans 4:

Class : Class 8
Its Option D

Ans 5:

Class : Class 9
The answer has to be D because they have asked for the incorrect option

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7
Option D is the right answer. The Solution also tells the same then how can they say our answer is wrong?? Try putting this question in the "ERROR" box

Ans 8:

Class : Class 7
Answer is C

Ans 9:

Class : Class 9
Answer should be D. Solution provided by them says so too.

Ans 10:

Class : Class 7
Option D

Ans 11:

Class : Class 7
Option D is the right answer

Ans 12:

Class : Class 7
Forget about the Option C. Option D is the right answer.

Ans 13:

Class : Class 8
eplanation given is correct but answer is option d

Ans 14:

Class : Class 4
answer should be A. They have asked for the INCORRECT OPTION and A is incorrect. Earthworm uses skin not trachea. The answer is A. It also appears in my solution

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
The correct answer is option B . A compass may be used to find East and west direction . Once you find North and South , by facing north , the right side will be East and left one will be West

Ans 2:

Class : Class 6
Also, d is right. Attraction is a sure test for magnetism. both b and d are right. Compromised?

Ans 3:

Class : Class 6
both b and d are correct.

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
as per Wikipedia no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 2:

Class : Class 7
2 and 4 is the answer to this question

Ans 3:

Class : Class 6

Ans 4:

Class : Class 9
no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 5:

Class : Class 5
How is 1 correct? Please reply

Ans 6:

Class : Class 5
Please correct it

Post Your Answer

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 6
this question is wrong

Ans 2:

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

Ans 3:

Class : Class 8
This question is correct

Ans 4:

Class : Class 5
Both A and C are correct

Ans 5:

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

Ans 6:

Class : Class 4

Ans 7:

Class : Class 3
This is absolutely correct as y is cerebrum and x is. EllThis Is absolutely correct as y is cerebrum X is cellebellum and Z is the Medulla ✅✅✅✅

Ans 8:

Class : Class 5

Ans 9:

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

Ans 10:

Class : Class 7
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.

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 6
A

Ans 2:

Class : Class 3
A

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
please explain. your solution doesn't match the correct answer provided by you.

Ans 2:

Class : Class 10
clear objection

Ans 3:

Class : Class 5

Ans 4:

Class : Class 6

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 9

Ans 8:

Class : Class 10

Ans 9:

Class : Class 6
NA

Ans 10:

Class : Class 4
The option selected here is wrong.

Ans 11:

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

Ans 12:

Class : Class 4

Ans 13:

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

Ans 14:

Class : Class 6
Pls rectify.

Ans 15:

Class : Class 8
YES , their answer is not matching with their solution !!

Ans 16:

Class : Class 3
ayush u are right!!!!!!!!!!!!!!!

Ans 17:

Class : Class 3

Ans 18:

Class : Class 7

Ans 19:

Class : Class 8
The ans is not matching!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 20:

Class : Class 6
The correct is NSN

Ans 21:

Class : Class 9
yes !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 22:

Class : Class 7
why arent they changing the answer

Ans 23:

Class : Class 4
What is this? Answer and solution are completely different, they are not matching!

Post Your Answer