National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
option B is the correct answer

Ans 2:

Class : Class 7
ball 2 as it's parachutes surface area is less

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

The given figure shows a typical animal cell with its parts being labelled as 'a - j'. Identify the labelled parts and select the incorrect option regarding it.


A The organelles e, h, g and i are membrane-bound organelles which function in close coordination with one another.
B 'f' organelle is responsible for the synthesis of fats inside the cells and it stores Ca2+ for release during muscle contraction.
C a and b have selective permeability i.e., they allow only selected substances to pass inwardly.
D 'j' is the site for protein synthesis. It allows hereditary message from 'd' to get translated into proteins.


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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 9

Refer to the given flow chart and select the incorrect statement regarding W, X, Y and Z.


A W could be abundant in RBCs whereas X could be absent in xylem parenchyma.
B Y provides energy during starvation whereas Z provides surface for synthesis of steroid hormones.
C W helps in synthesis of proteins whereas Y secretes enzymes which are used for breaking limiting membrane of eggs.
D X could provide intermediates for the synthesis of certain steroids and cytochromes whereas Z stores calcium for release during muscle contraction.


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 3
when I opened the question paper ,questions from 29 to 31 were not visible

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
Option C is correct

Ans 3:

Class : Class 4
Option C is correct

Ans 4:

Class : Class 4

Ans 5:

Class : Class 4
Option c is correct.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Karachi

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