National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Ans option c

Ans 2:

Class : Class 4
Ans option c

Ans 3:

Class : Class 5
why Option C

Ans 4:

Class : Class 4
Option C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Option A

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
A

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
ANS is D Thanks if u get time please solve my forum questions

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Subject :NSO    Class : Class 7

Read the following statements.
(P) _______ is the upper limit of the ground water that fills the space in soil and rocks.
(Q) _______ are the places between layers of hard rocks that collect seeped water.
(R) The groundwater gets recharged by _______.
(S) Ground water is almost free of _______.
Select the option that correctly fills up the blanks in any two statements.

AQ - Infiltration, S - Impurities
BP - Infiltration, R - Aquifer
CR - Pump, S - Minerals
DQ - Aquifer, R - Infiltration.


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 7
sorry it must be option B

Ans 2:

Class : Class 9
i think answer is supposed to be b, but it is given d

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Subject :NSO    Class : Class 7

Ishaan tested the nature of a few common substances with different indicators and recorded his observations as follows :
Substance P turned methyl orange yellow.
Substance Q turned phenolphthalein colourless.
Substance R did not have any effect on blue or red litmus.
Substance S turned China rose indicator green.
P, Q, R and S could be respectively

A Lemon juice, fermented milk, salt solution and milk of magnesia.
B Sugar solution, vinegar, water and curd.
C Lime water, apple juice, sugar solution and saliva
D None of these.


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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : Baking soda does not taste sour.
Statement 2 : Bases are sour in taste while acids are bitter in taste.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.


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