National Science Olympiad Forum By SOF Olympiad Trainer - Page 369

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

A

Preeti is having difficulty in breathing, laughing and yawning, it seems she has injured an organ, which is related to inhalation and exhalation of air. That means her Lungs are injured, and that is why she is also feeling pain in her chest.


Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
Class :

Ans 7:

Class : Class 3

Ans 8:

Class : Class 7

Ans 9:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Option D is correct

Ans 2:

Class : Class 5
WE CANT SEE THE STOMACH

Ans 3:

Class : Class 5
they have not given the diagram only

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Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 6
Please explain what is hemp

Ans 3:

Class : Class 6
What is hamp?

Ans 4:

Class : Class 4
flax is not a fibre

Ans 5:

Class : Class 4
What is hemp?

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

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 9: (Master Answer)

Class : Class 1

C

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


Ans 10:

Class : Class 4

Ans 11:

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.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 5
A is the correct Ans as to both posses a layer of fat.

Ans 3:

Class : Class 6
THE CORRECT ANSWER IS A BECAUSE BOTH POSESS A LAYER OF FAT.

Ans 4:

Class : Class 8
A

Ans 5:

Class : Class 9
correct answer is a

Ans 6:

Class : Class 10
A IS THE CORRECT ANSWER.POLAR BEAR AND PENGUIN LIVE IN POLAR REGION AND BOTH OF THEM HAVE A LAYER OF BLUBBER ............................

Ans 7:

Class : Class 6
No mathomagic A is the correct answer because both penguins and polar bear have bubbler under their skin. Deer do not have a layer of hair to keep them warm like polar bear have.

Ans 8:

Class : Class 7
Yes the answer is A

Ans 9:

Class : Class 6

Ans 10:

Class : Class 6
No. This is d) I bet a million ppl made the mistake. Penguin sounds reasonable, but deer and polar bear, both use hair for insulation in winter

Ans 11:

Class : Class 5
A is the correct ans:)

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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 8

Ans 1:

Class : Class 9
C is the answer

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
Minimum pressure means maximum area as pressure is inversely proportional to area so, 1 cm = 1/100 m so the Largest area is 40cm*30cm = 4/10* 3/10 = 12/100 P =F/Area P = Mass*acceleration/area P = 60*10/(12/100) P = 600 * 100/12 P = 60000/12 = 5000 so answer is C

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 7

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