National Science Olympiad Forum By SOF Olympiad Trainer - Page 42

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8

Ans 2: (Master Answer)

Class : Class 1

A


Ans 3:

Class : Class 4

Ans 4:

Class : Class 4
Please explain

Ans 5:

Class : Class 3
A

Ans 6:

Class : Class 9
The correct answer is A

Ans 7:

Class : Class 3
A

Ans 8:

Class : Class 6

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
WE CANT SEE THE STOMACH

Ans 2:

Class : Class 5
they have not given the diagram only

Ans 3:

Class : Class 5
Option D is correct

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 6
Please explain what is hemp

Ans 3:

Class : Class 6
Answer c is correct because we can find cotton hemp jute flax and wool for explanation hemp is a synthetic fibre used to make most T-shirts

Ans 4: (Master Answer)

Class : Class 1

C

The natural fibres hidden in the grid are WOOL, JUTE, COTTON, HEMP and FLAX.


Ans 5:

Class : Class 4
What is hemp?

Ans 6:

Class : Class 9
CThe natural fibres hidden in the grid are WOOL,JUTE,COTTON,HEMP and FLAX

Ans 7:

Class : Class 6
What is hamp?

Ans 8:

Class : Class 4

Ans 9:

Class : Class 4
'C' is the answer as flax, hemp, wool, jute, and cotton all are fibers and can be found in the grid. So SOF is correct. For the doubt that 'Flax' is not a fiber; I can say that 'Flax' is a plant, but it's stem contains fibers to make linen, which you might have heard of.

Ans 10:

Class : Class 4
flax is not a fibre

Ans 11:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

D


Ans 2:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

C

 In the life cycle of butterflies etc., egg hatches to produce a young one called a larva which looks like a worm. After some days, it changes into pupa which finally turns into an adult.


Ans 2:

Class : Class 7
C)

Ans 3:

Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9

Ans 2:

Class : Class 4
Doesn't hot air rise up from the land and cold air take up the hot air's place?

Ans 3:

Class : Class 4
The correct answer is: D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
all are correct

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

D


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
a and d are correct

Ans 2:

Class : Class 5
A and d are correct

Ans 3:

Class : Class 9
Firstly , ( Sugar and Water ) and Pebbles can be separated through Filtration Secondly , Sugar and Water can be separated by Evaporation So , the answer is Option (A)

Ans 4:

Class : Class 6
Sorry but for the explanation a and d are not correct because first we have to follow the filtration process to separate pebbles and then use evaporation process

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