National Science Olympiad Forum By SOF Olympiad Trainer - Page 503

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
@Twisha Arora Thanks

Ans 2:

Class : Class 7
The correct answer is D because the third, seventh, twelfth and sixteenth letters are S, E, T and A respectively. The meaningful words formed by these letters are EAST, EATS, SEAT, etc.

Ans 3:

Class : Class 4

Ans 4:

Class : Class 8
d

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
This topic seems to be out of reach for a 6th grader. Do we really expect 6th grader to understand moment of force?

Ans 2:

Class : Class 8
no i didn't understand this question .

Ans 3:

Class : Class 8
Neither did I

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
D is the answer

Ans 2:

Class : Class 7
It will be d

Ans 3:

Class : Class 7
simpleeee

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
It will be d

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
D

Ans 5:

Class : Class 5
D

Ans 6:

Class : Class 5
I too have a rabbit so answer is D

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Subject :NSO    Class : Class 6

A fabric swatch was found at a crime scene. It was found to burn with a hair like smell. To identify the criminal from his clothing, the investigating officer took fabric samples from clothing of four suspects. He placed the data collected in the given chart to help him identify the sample taken from the crime scene.



The data suggests that the most likely culprit is _______.

ASuspect Z
BSuspect Y
CSuspect X
DSuspect W


The correct option may be D also. The solution is not self-explanatory

Ans 1:

Class : Class 9
the answer is d only ,not any other

Ans 2:

Class : Class 6
the answer is d. but when I report an error, it shows "please enter a valid error"

Ans 3:

Class : Class 6
Yes the answer is d as silk smells like hair when burnt and it is also smooth.It is not a good absorbent like cotton.

Ans 4:

Class : Class 8
yeah the answer is d

Ans 5:

Class : Class 9
ans should be d !!!!!!!!!!!!!

Ans 6:

Class : Class 8

Ans 7:

Class : Class 7
this question has insufficient data. there is nothing mentioned about wetness of the fabric swatch in the question. Suspect W seems correct to me

Ans 8:

Class : Class 9
Truly, the answer to me is Option (D). Because, Suspect W is Silk, as its smooth, absorbance is low, its natural,

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
in digesting their high fibre diet,cows emit methane as a byproduct

Ans 2:

Class : Class 6
how "Digestion in cattle" leads to global warming? Kindly explain if someone knows

Ans 3:

Class : Class 6

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3
Ans = Greengrocer , Grocer , Farmer.

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Subject :NSO    Class : Class 5

Two identical cans filled with water were taken and three holes were made on each of them at two different levels as shown in the figures.

Select the correct option regarding given can X and Y.

AForce of the water coming out from holes of can X is lesser than force of the water coming out from holes of can Y.
BJet coming from the can X travels further sideways as compared to jet from the can Y.
CPressure at all the three holes in can Y is same.
DBoth A and C


Ans 1:

Class : Class 9
This is a confusing question

Ans 2:

Class : Class 6
Ans is (D).

Ans 3:

Class : Class 4
oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava, gana khatham hua

Ans 4:

Class : Class 6
Ans is B and this answer is based on the Newton's 1st law:Law of Inertia. It tells that things wan Mt to continue to do what they were doing unless acted upon by an external force. So, jet of water from can X will go further sideways because the holes in can X are more far from the table than the holes in can Y.

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