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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Read the given statements and select the correct option.
Statement 1 :Mammals are warm-blooded animals.
Statement 2 :Mammals maintain constant body temperature despite changes in environmental temperature.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.


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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

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Class : Class 5
humus

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 7

Rahul gets an assignment to make a list of fabrics made of different fibres. He takes piece of fabric X and Y and burns them to identify the fibre. Fibre X burns with smell of burning plastic and fibre Y with smell of burning hair. Identify the fabrics X and Y.

             X                Y
ANylon          Cotton
BCotton          Silk
CWool            Polyester
DPolyester      Silk


Silk burns with the smell of charred meat, not burning hair.

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Class : Class 7
tttt

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Subject :NSO    Class : Class 8

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