NSO Level 2 Class 3 2012 − 13 Previous Year Paper Questions Part 2

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16. Richa has prepared a model to create coloured smoke as shown in the figure.

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Working of this model depends upon which of these principles?

A. Hot water is lighter than cold water.

B. Hot water is heavier than cold water.

C. Cold water rises over hot water.

D. Cold water expands more than hot water.

Transfer of Heat - Conduction, Convection and Radiation (Science)

17. The given picture shows a river flowing downstream towards the sea, situated near the river is a factory which occasionally discharges waste water into the river and, a farm where pesticide is used, a water treatment plant which supplies water for home use is to be built, the water treatment plant treats water which is pumped into it from the river, which position would be suitable for the treatment plant?

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A. P

B. Q

C. R

D. S

NCERT Class 4 EVS Chapter 13: River’s Tale - NSO/NSTSE/Olympiad | English | CBSE

18. Which one of the following questions could all these pupils answer?

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A. Is the orchid purple or blue?

B. Is the watch ticking or not?

C. Is the coffee cold or hot?

D. Is the soap scented or not?

Parts of the Body - Learn EVS for Kids - Educational Video - Kids Vocabulary - Class 2

19 Select the odd one out based upon their life forms.

A. Silkmoth

B. Dragonfly

C. Mosquitoes

D. Housefly

Life Cycle of Butterfly & Frog - Kindergarten (KG-2/K-2) - Kids-Teaching-Kids

20 . Which of these actions will help in keeping environment clean?

A.

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B.

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C.

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D.

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NCERT Class 6 Science Chapter 16: Garbage in, Garbage Out (NSO/NSTSE/Olympiad) | English

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