National Science Olympiad Forum By SOF Olympiad Trainer - Page 228

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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 4

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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 4

Ans 1:

Class : Class 7
C

Ans 2:

Class : Class 5
The correct answer is option c.Adaptation for flight--- Hollow bonesAdaptation For protection from enemies--- Camouflage Adaptation for eating flesh--- Sharp and well-developed caninesAdaptation to living in cold regions --- Thick layer of fat under the skinAdaptation for living in water--- Gills

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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 5

Swati wanted to study the effect of temperature on the rate of evaporation. For this, she carried out the experiment under four different sets of conditions as shown in the table.

Characteristic Set W Set X Set Y Set Z
Surface area
of the container
80 cm3 120 cm3 80 cm3 120 cm3
Humidity 80% 90% 90% 90%
Temperature 75°C 120°C 75°C 75°C

Which of the following is best suited to conclude the effect of temperature on the rate of evaporation?

ASet W and Set Z
BSet X and Set Z
CSet Y and Set Z
DSet W and Set Y


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
ANSWER IS A

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