National Science Olympiad Forum By SOF Olympiad Trainer - Page 1
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Aurinjay Mukhopadhyay from Future Foundation School, KOLKATA
Subject :NSO    Class : Class 4

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Yuven Kumar from Bonsan International School, bangalore
Subject :NSO    Class : Class 4

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Yuvrraj Surana from Witty Internatinal Schol, Udaipur
Subject :NSO    Class : Class 4

Ans 1:

Yuvrraj Surana from Witty Internatinal Schol, Udaipur
Class : Class 4
B

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Vedang Siddharth Thakare from SMT's Saraswati English Medium School., Thane
Subject :NSO    Class : Class 4

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

Priya carried out an experiment to test the hardness of objects 1, 2 and 3. The results of the experiment are shown in the given table.

Scratch test Result
(i)
(ii)
(iii)
(iv)

Which of the following shows the correct order of hardness of objects 1, 2 and 3, starting from the hardest?

A1, 2, 3
B1, 3, 2
C2, 3, 1
D3, 1, 2


B

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

Which of the following is hidden in the given word grid?


AStructure present in a polar bear that protects it from cold and the structure present in a fish that enables it to breathe underwater.
BBehavioural adaptation that helps Siberian cranes to escape cold winters of their homeland.
CPhenomenon wherein chameleon blends with its surroundings by changing its skin colour to remain unnoticed by its prey.
DPhenomenon wherein a leaf insect externally resembles a plant leaf to remain unnoticed by its predator.


C

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

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Overtaker from Blore, Blore
Subject :NSO    Class : Class 4

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