National Science Olympiad Forum By SOF Olympiad Trainer - Page 444
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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

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 2:

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

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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Ujjayan Pal from Don Bosco School, Agartala
Subject :NSO    Class : Class 10

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harnoor from cambridge international school, nawanshahr
Subject :NSO    Class : Class 9

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Shivangi singh from Dps greater Noida, Greater Noida
Subject :NSO    Class : Class 3

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Nirvan from Amity International School, NOIDA
Subject :NSO    Class : Class 6

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 6
c

Ans 2:

Harshil from Pawar Public School, PUNE
Class : Class 6
answer should be Aas according to them they have not separated sugar and salt

Ans 3:

Aarav Kamdar from Global Indian International School, Singapore
Class : Class 7

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vishnu from Bodhi, Trivandrum
Subject :NSO    Class : Class 6

Ans 1:

Krishiv Gupta from Sat Paul Mittal School, Ludhiana
Class : Class 6
wrong answer wrong options should be none of these

Ans 2:

D M Sarvesh from Narayana Group of Schools, Mogappair
Class : Class 4

Ans 3:

Antash from Podar , Kalyan
Class : Class 3

Ans 4:

D M Sarvesh from Narayana Group of Schools, Mogappair
Class : Class 4

Ans 5:

Antash from Podar , Kalyan
Class : Class 3

Ans 6:

Ajay from Omega, Chennai
Class : Class 6
there should be none of these option

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Mohi from Vibgyor, Bangalore
Subject :NSO    Class : Class 3

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Krishnakumar Ramamoorthi from Chrysalis, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Ekaansh Agarwal from Lotus Valley International School, Gurgaon
Class : Class 6

Ans 2:

Vihaan kohli from MVN Aravali, Faridabad
Class : Class 3
D

Ans 3:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
D

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Check the solution ANSHUL.

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Diya Anilkumar from DPS Bangalore North, Bangalore
Class : Class 5
1 can be either d or e. It depends if u look at top to bottom or vice versa

Ans 2:

Divyanshi from United international School, Bangalore
Class : Class 6
Yeah

Ans 3:

Diya Anilkumar from DPS Bangalore North, Bangalore
Class : Class 5

Ans 4:

Ayush Pal from GD Goenka Public School Dakshineswar, West Bengal, India, Kolkata
Class : Class 8

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 8:

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

Ans 9:

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

Ans 10:

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.

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