National Science Olympiad Forum By SOF Olympiad Trainer - Page 65
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Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7

Ans 3:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
Thus ans is c not BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 4:

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Class : Class 4
b ans

Ans 5:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
THIS IS NOT POSSIBLE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Because you can GOOGLE IT.......................................... MY OPINION- Kushagra Chaturvedi

Ans 6:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
Thus ans is c not BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

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Roopa Penmetsa from Roopa Penmetsa, Hyderabad
Subject :NSO    Class : Class 4

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Himanish munjal from Krm, Delhi
Subject :NSO    Class : Class 4

Ans 1:

Preesha Shrivastav from Suncity school, Gurgaon
Class : Class 6
Bile juice is secreted by liver. so P is not right. R is correct. stomach has digestive juices and digests proteins

Ans 2:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5

Ans 3:

Archita Moi from The Newtown School, Kolkata
Class : Class 4
Thanks a lot friends !

Ans 4:

Krishna Atrey from DPS Vadodara, Vadodara
Class : Class 7

Ans 5:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3

Ans 6:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 5
Stomach does not receive Bile, but it also digests protein and secretes digestive juice so stomach is R , and the correct option is C

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Vedika from bal bharti public school, Delhi
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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)

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

Ans 1:

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

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:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 5
my ans is a

Ans 4:

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

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

Ans 1:

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

Ans 2:

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 3:

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

Ans 4:

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

Ans 5:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 7
no

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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 10:

Rudhra from Credence high, Dubai
Class : Class 4

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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:

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.

Ans 3:

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

Ans 4:

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 5:

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

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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 2
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 2
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:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 5
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 2:

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

Ans 3:

Rudhra from Credence high, Dubai
Class : Class 4
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 4:

Rudhra from Credence high, Dubai
Class : Class 4

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