National Science Olympiad Forum By SOF Olympiad Trainer - Page 167

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
This does not affect the question overall, but I would like to mention that here is a typing error in option (B). There is no fourth difference in the table, however, option (B) mentions "(iv)", which does not make sense.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
it is B because it has only on arrow while all the others have 2

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Since oil is an liquid, shouldn't the answer be B?

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C

Ans 2:

Class : Class 4
It's so simple answer is C

Ans 3:

Class : Class 3
Yay it is so simple answer is C

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 5

Ans 2:

Class : Class 2
answer should be 'A' since stilt houses are mainly for floods.

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Subject :NSO    Class : Class 7

Consider the following statements. Select the option which correctly identifies true (T) and false (F) ones.
(i) The valve between left and right atrium allow the blood to flow only in one direction.
(ii) The contents of phloem can move only in the upward direction whereas water in xylem moves both in the upward and downward directions.
(iii) A healthy adult man excretes an average of 1.5 litres of urine everyday.
(iv) Red blood cells are the biconcave, disc shaped structures filled with haemoglobin.

(i) (ii) (iii) (iv)
A F F T T
B T F T T
C F T T T
D F F T F


The correct answer will be A

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 2

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