National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Bristlecone pine found in Sumatra

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Pygmy shrew

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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

Ans 2:

Class : Class 6
plz answer

Ans 3:

Class : Class 5
someone please explainnnnn

Ans 4:

Class : Class 6
Can someone explain it ,please??

Ans 5:

Class : Class 6
The answer is C as if assume x as a insulator , all other condition satisfy

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Option D

Ans 2:

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

Ans 3:

Class : Class 7
Its Option D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

Ans 2:

Class : Class 6
as per Wikipedia no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option

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

Ans 2:

Class : Class 5
Both A and C are correct

Ans 3:

Class : Class 6
This question is correct

Ans 4:

Class : Class 5
this question is wrong

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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 4
A

Ans 2:

Class : Class 3
A

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