National Science Olympiad Forum By SOF Olympiad Trainer - Page 347

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
Anant is right. Warm clothes do not generate heat.

Ans 2:

Class : Class 4
Warm clothes do not generate heat but also do not allow cool air to enter hence creating warmth for the naptholine balls

Ans 3:

Class : Class 9
nahi

Ans 4:

Class : Class 9
WOOLLEN CLOTHES DONT HAVE WARMTH THEY CANT CHANGE TEMPRATURE BY THEMSELVES THE CORRECT ANSWER SHOULD BE C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
(Master Answer)The correct answer is D.

Ans 2: (Master Answer)

Class : Class 1

D

When the water of beakers X and Y will be mixed, the final temperature will be somewhere between 50°C-80°C. So the temperature will be < 80°C after an hour.


Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
babuski

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

D


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
answer is D.

Ans 2:

Class : Class 3
the ans is D. second inside first inside second.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1

C

In the given flow chart,P could be parasitic plant,Q could be plant in desert habitat,R could be insectivorous plant and S could be plant situated near coastline.P does not possess hygroscopic roots. They are present in some orchids to absorb moisture from atmosphere.Leaves in desert plants are either absent or reduced or they are present in the form of spines.Stilt roots are adventitious roots that arise from the lower nodes and provide extra support to the plant.They are not meant for respiration. So,options A,B and D are incorrect.


Ans 2:

Class : Class 10

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 9

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