National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

B

Comets are balls of ice and dust that move around the Sun in highly elliptical orbits.


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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1

A

Plants are the living things which take up nutrients from soil (non-living thing).


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Subject :NSO    Class : Class 8

The given diagram shows a respirometer that is used to measure gaseous exchange in pea seeds. The apparatus is maintained at a constant temperature.


Which of the following is incorrect regarding this?

AThe gas pressure in X will fall as O2 is absorbed during respiration and CO2 is absorbed by potassium hydroxide solution.
BThe fluid level at Y will fall to compensate the loss of pressure in X.
CThe gas pressure at X will rise as O2 is given out by seeds and CO2 is released by potassium hydroxide solution.
DThe fluid level at Z will rise due to loss of pressure at X.


Ans 1: (Master Answer)

Class : Class 1

C


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
d is correct

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Yes correct answer is C.

Ans 2:

Class : Class 3

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Subject :NSO    Class : Class 7

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