National Science Olympiad Forum By SOF Olympiad Trainer - Page 59

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5
the correct answer is b

Ans 3:

Class : Class 5
Answer d

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5
The plant shown has fleshy stems to store water.

Ans 6:

Class : Class 4
4B

Ans 7:

Class : Class 4
B

Ans 8:

Class : Class 5
its B

Ans 9:

Class : Class 9
The correct answer is option B.

Ans 10:

Class : Class 6

Ans 11:

Class : Class 6

Ans 12:

Class : Class 5
Option b

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
(A) cannot be the right answer as once the water vaporizes, there is no scope for sedimentation. (B) cannot be the right answer as once the mixture is filtered, the sand shall be collected on the filter paper while the clean water shall be collected in a beaker.Evaporation is not required. The answer is (C) because sand is heavier than water and shall settle down at the bottom of the beaker.This process is called sedimentation.Subsequently,the clear water from the top can be decanted out. (D) cannot be the right answer as once decantation is done, the clear filtrate shall be left over and filtration is not required.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
D

Ans 5:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
C is the correct answer

Ans 2:

Class : Class 4
c

Ans 3:

Class : Class 4
C

Ans 4:

Class : Class 4
OPTION c IS THE CORRECT ANSWER

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
why it is D

Ans 4:

Class : Class 5
a

Ans 5:

Class : Class 4

Ans 6:

Class : Class 4
D

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
C is the answer

Ans 2:

Class : Class 5
C is the answer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
correct ans is C

Ans 2:

Class : Class 9
The correct answer is C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
option a

Ans 2:

Class : Class 5
option a

Ans 3:

Class : Class 4
option A

Ans 4:

Class : Class 4
Answer is A because frog undergoes metamorphosis which means change of form from young one to adult one.

Ans 5:

Class : Class 5

Ans 6:

Class : Class 6
answer is option b ....

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
right answer is C

Ans 2:

Class : Class 4
The right answer is "B" because not all containers (such as beaker and test tube) are waterproof. They may leave some remnants. So, they may leave a few ML of the liquid in them; and that is crucial. You cannot say that they have the same volume; even if they are a microliter lesser. It will reduce the volume more/less according to how much is left behind.

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