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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 6

Select the incorrect statements.
I. In railway tracks, space is left between two rails at the joint to allow for the expansion of iron rails during winter.
II. For gases, solubility in water decreases with rise in temperature.
III. When mercury thermometer is used to measure the temperature, a chemical change takes place.
IV. At a particular temperature, the amount of salt or sugar that can be dissolved in 100 mL of water is same.
V. Galvanisation involves a physical change.

A I and II only
B III and V only
C I, III, IV and V only
D I, II, III, IV and V


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Subject :NSO    Class : Class 6

Refer to the given flow chart and select the correct statement regarding it.


ADeficiency of P could cause marasmus whereas deficiency of Q could cause night blindness.
BR could help in proper functioning of nerves and muscles whereas S could be found in blood that neutralises the effects of bacteria and viruses.
CQ could help in red blood cell production whereas R could help in calcium absorption.
DP could get stored in the body cells as glycogen whereas deficiency of Q could cause pellagra.


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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is B

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
it is very good

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Subject :NSO    Class : Class 9

Read the given statements and select the correct option.
Statement 1 : A pendulum can vibrate in an artificial satellite.
Statement 2 : Inside the satellite, acceleration due to gravity is zero.

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 but statement 2 is false.
D Statement 1 is false but statement 2 is true.


Nice q.

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Subject :NSO    Class : Class 3

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