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 3

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Class : Class 4
The correct answer is A.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

Prashant observed flowers of two different plants X and Y. Flowers of X are large, coloured, showy and produce nectar while flowers of Y are small, dull without nectar. Pollen grains of X are sticky and bigger while pollen grains of Y are small in size and dry.
Which of the following is correct regarding X and Y?

A X could be pollinated by insect whereas Y could be pollinated by wind.
B X could be pollinated by wind whereas Y could be pollinated by water.
C X could be pollinated by wind whereas Y could be pollinated by insect.
D X could be pollinated by water whereas Y could be pollinated by insect.


In question it is stated that Flower X has nectar.Therefore, it would be A.

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Class : Class 7

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Subject :NSO    Class : Class 4

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Class : Class 4
Thanks But I got 20/40

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Subject :NSO    Class : Class 4

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Class : Class 5

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Sunil and Rohit start at one end of a street, the origin and run to the other end, then head back. On the way back, Sunil is ahead of Rohit. Which statement is correct about the distances run and the displacements from the origin before reaching the origin?

A Sunil has run a greater distance and his displacement is greater than Rohit’s.
B Rohit has run a greater distance and his displacement is greater than Sunil’s.
C Sunil has run a greater distance but his displacement is lesser than Rohit’s.
D Rohit has run a greater distance but his displacement is lesser than Sunil’s.


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