National Science Olympiad Forum By SOF Olympiad Trainer - Page 57
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Ronav Kerkar from Jamnabai Narsee School, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
CORRECT ANSWER IS D

Ans 2:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
The correct ans is D. :-)

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Sunita needs a waterproof container to carry water, so X cannot be a cardboard. Pihu needs a sheet to absorb oil,  so Y cannot be plastic as it cannot absorb oil. Rahul needs a box made up of a material that is a bad conductor of heat, so it cannot be steel.
Y can be cotton as it will absorb the oil.


Ans 4:

Samvita Patil from NHVPS, Bangalore
Class : Class 7
steel is actually a good conducter and lets ice melt but here in the solution they have given wrong as they have written it as steel in a bad conducter of heat.

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IAMLOST from ABC, Pune
Subject :NSO    Class : Class 4

Ans 1:

Dripto Goswami from Aditya Academy Secondary, Barasat, Barasat
Class : Class 9
i agree with him

Ans 2:

Dripto Goswami from Aditya Academy Secondary, Barasat, Barasat
Class : Class 9

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

Crow, snake and frog all lay eggs. Crow is an omnivore while snake and frog are carnivores. All the three are living things so they grow and eventually die. Only frog lives both on land and in water.


Ans 4:

Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Class : Class 8
yes I also agree with him

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Jidnyasa Kolapte from D Y Patil International School Nerul, Navi Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


Ans 2:

Ayush Singh from LMB, Kolkata
Class : Class 4

Ans 3:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
C

Ans 4:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5

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ANWESHA THAKUR from DPS SECTOR 132 NOIDA, NOIDA
Subject :NSO    Class : Class 4

Ans 1:

Parikshit G from DPS Panvel, NAVI MUMBAI
Class : Class 8
It is c not b, if you see closely the spelling of axis in b it is axes and in c it is axis

Ans 2:

ANWESHA THAKUR from DPS SECTOR 132 NOIDA, NOIDA
Class : Class 7

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Adersh from Apeejay, Nerul
Subject :NSO    Class : Class 4

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
It shall be C.

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
C is correct as whatever is written in C is incorrect and D is partially correct as D is large intestine which throws wastes away but is not in excretory system.

Ans 3:

Vaibhav from The Millennium School , Dubai
Class : Class 8
The answer is (C).

Ans 4:

Samya Bera from Saini International School, Howrah, Uluberia
Class : Class 5
In picture Y was showing heart.

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Bismeet Chetia from NPSI Singapore, Singapore
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

At night, land cools down faster than the sea. Now, the air above the sea is warmer than the air above the land. The warm air above the sea rises up and the cool air from the land now rushes towards the sea. This is known as land breeze.


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Niteen Jit Sahu from Diya Academy of Learning, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
There is no such person tell the answer got it?

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Niteen Jit Sahu from Diya Academy of Learning, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
There is no such person tell the answer got it?

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Soha Dadarkar from Manec, Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Revolution of the Earth around the Sun causes change in seasons.


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Saksham Arora from DPS, Gurugram 102
Subject :NSO    Class : Class 4

Ans 1:

somesh from Centre point katol road, Nagpur
Class : Class 6

Ans 2:

somesh from Centre point katol road, Nagpur
Class : Class 6
DDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 3:

veena from English medium school, loni
Class : Class 4

Ans 4:

SARBESH KUMAR DASH from Kendriya Vidyalaya No. 1 SAMBALPUR , Sambalpur
Class : Class 5
d is the answer

Ans 5:

DARSH BANSAL from DPS Noida, Noida
Class : Class 4

Ans 6:

Pranjal from MVN Sector 88, Faridabad
Class : Class 5

Ans 7:

somesh from Centre point katol road, Nagpur
Class : Class 6
XS97 RAFFAEL IS THE SYNONYM OF OPTIMUM

Ans 8:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
D

Ans 9:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 9

Ans 10:

somesh from Centre point katol road, Nagpur
Class : Class 6
D

Ans 11:

somesh from Centre point katol road, Nagpur
Class : Class 6
D

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