National Science Olympiad Forum By SOF Olympiad Trainer - Page 441

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6
tricky one

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Class : Class 4
d

Ans 5:

Class : Class 3
How explan

Ans 6:

Class : Class 3
it is C but how is magntic force acting and not muscular?

Ans 7:

Class : Class 3
D

Ans 8:

Class : Class 7
D , tricky one

Ans 9:

Class : Class 3

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
answer shoul be c , meteorites burn up in mesosphere

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Class : Class 7
But then if p is troposphere, then how come clouds are formed in q?Clouds are formed in troposphere(p).

Ans 3:

Class : Class 6
The answer is d

Ans 4:

Class : Class 6
Sorry, C

Ans 5:

Class : Class 3
ya i guees c is the ans as it mesosphere

Ans 6:

Class : Class 6
B only should be the answer

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Class : Class 6
clouds only form in troposphere

Ans 8:

Class : Class 6
The answer should be D.

Ans 9:

Class : Class 9
ANS should be D

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
so did i pranab

Ans 2:

Class : Class 6
i did not understand anything/

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Refer to the given figures and select the correct option regarding them.


APlant P is an insectivorous plant that grows in nitrogen deficient soil while plant Q is a symbiotic plant, which fixes atmospheric nitrogen.
BPlant P can make its own food but it depends on host plant for minerals and water.
CPlant Q cannot photosynthesise hence it absorbs the food prepared by host plant and harms it.
DBoth plants P and Q are insectivorous plants but plant P has glandular tentacles with mucilage at ends whereas plant Q has bladders to catch insect.


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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Read the given statements and mark the correct option.
Statement 1 : Copper sulphate solution is a good conductor of electricity.
Statement 2 : Conduction of electricity takes place in liquids due to flow of ions.

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


Question is very confusing. Statement 2 does not naturally flow from statement 1. statement 2 may have read that "All salts allow flow of ions"

Ans 1:

Class : Class 8
excuse me!!!! Is water not a liquid? :)

Ans 2:

Class : Class 10
yes it is but it does not have ions that can conduct electricity

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10

Ans 3:

Class : Class 9
Nothing has been mentioned here, how are we supposed to know whether or not the object is placed at 2F(1) and its image is formed at 2F(2)

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