National Science Olympiad Forum By SOF Olympiad Trainer - Page 55
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Vedika from bal bharti public school, Delhi
Subject :NSO    Class : Class 4

Ans 1:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 2:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 3:

Baibhab Mishra from City Pride, pune
Class : Class 4
Hydroelectricity can be used in things like fans. Here , Electrical energy(Hydroelectricity)----->changes into----->Mechanical energy(fan)

Ans 4:

Devank Jain from HBK High School, Ahmedabad
Class : Class 4
can anyone explain how chemical energy related to grass

Ans 5:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
It should other way around as in hydroelectricity generation mechanical gets converted to electrical

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7
Isn't the answer wrong?

Ans 2:

Baibhab Mishra from City Pride, pune
Class : Class 4
A as Frog,Lizard,Duck,Crow and parrot lay eggs:- -Lizard is a reptile;it lays eggs -Duck,Crow and Parrot lay eggs;They are birds -Frog lays eggs;it is an amphibian

Ans 3:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Option a is correct

Ans 4:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 4
my ans is a

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Mishika Singh from EISB, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
The answer is D

Ans 2:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
The answer is D because in container X after three hours due to the respiration of the there will be less O2 and more Co2.Nice question

Ans 3:

Durjoy Datta from Venkateshwar International School, Sector 10, Dwarka, New Delhi
Class : Class 5
Yes it is correct.

Ans 4:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Ishit rai is correct

Ans 5:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Yes option D is correct

Ans 6:

Anaisha Jain from Delhi Public School Faridabad, Faridabad
Class : Class 4
I think it could be the B option

Ans 7:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 8:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
The answer will be D as due to the breathing process of fish the dissolved oxygen in the water will be less and the carbon dioxide will be more as all living beings on earth take in oxygen and give out carbon dioxide while respiration.

Ans 9:

Bismeet Chetia from NPSI Singapore, Singapore
Class : Class 4
Blubbering blums

Ans 10:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 6
no

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Videh Jain from Bluebells School International, Delhi
Subject :NSO    Class : Class 4

Ans 1:

Yatindra G from SBOA, Chennai
Class : Class 4
But y is the correct answer being shown as A??

Ans 2:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East
Class : Class 4
good they should recheck every answer they put

Ans 3:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
The answer is b,because duckweed and water lettuce are non-flowering floating plants,but in the picture there is a flowering floating plant and in the question there is written to choose the correct option similar to it.So, the answer is B.

Ans 4:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
ans is B because, duckweed and water lettuce is nonflowering water plants.

Ans 5:

Apratim Hazra from Gear Innovative International School, Bangalore
Class : Class 4
Well, they asked for a biological relationship, not a flowering/non-flowering relationship, so option A is correct. It's in the solution section.

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Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Subject :NSO    Class : Class 4

Ans 1:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
The food should not be over cooked

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Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Subject :NSO    Class : Class 4

Ans 1:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
What is cardigan? I don't know what

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Jayanth from The Deens Academy, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Suryatapa Chakraborty from ST. Michael ' s School, Durgapur
Class : Class 6

Ans 2:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 3:

Rudhra from Credence high, Dubai
Class : Class 4
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Ans 4:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

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Ainesh das from Chrysalis, Bangalore
Subject :NSO    Class : Class 4

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Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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Shailaja Divakar from Chennai public school global school, London
Subject :NSO    Class : Class 4

Ans 1:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East
Class : Class 4
it is not the hottest planet in the universe but in solar system

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