National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
it can be B

Ans 2:

Class : Class 4
Dear Master Answer, NoidaI don't understand this question as glass plate can be broken easily. Please Help Master Answer from Noida.Your Student,Ankush Dey

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
a glass plate can be broken easily

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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 8
plz answer

Ans 3:

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

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6
ANSWER IS B

Ans 6:

Class : Class 6
Answer supposed to be b

Ans 7:

Class : Class 5
someone please explainnnnn

Ans 8:

Class : Class 7

Ans 9:

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
Answer is C

Ans 2:

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

Ans 3:

Class : Class 7
The answer has to be D because they have asked for the incorrect option

Ans 4:

Class : Class 8
Its Option D

Ans 5:

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

Ans 6:

Class : Class 7
Option D

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 2
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

Ans 10:

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 11:

Class : Class 8
Answer should be D. Solution provided by them says so too.

Ans 12:

Class : Class 7
eplanation given is correct but answer is 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 4
2 and 4 is the answer to this question

Ans 2:

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

Ans 3:

Class : Class 7
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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