National Science Olympiad Forum By SOF Olympiad Trainer - Page 42
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Shreshta from Presidium, Ghaziabad
Subject :NSO    Class : Class 4

Ans 1:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 6
14 X 7 = 98 not 56 see the solution then put answer on the forum .

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
answer is B

Ans 3:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the answer is : b 2,4,8,14,28

Ans 4:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 6
B

Ans 5:

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

Ans 6:

DC from biv, PUNE
Class : Class 5
b is the answer

Ans 7:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Isn't this an IMO question????????!!!!!!!!!!!!!!!!!!!!!!!

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VIVAAN GARG from KR MANGALAM WORLD SCHOOL, FARIDABAD
Subject :NSO    Class : Class 4

Ans 1:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Pls explain!

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is B .

Ans 3:

Rasha Ranjan from DPS NOIDA , Noida
Class : Class 5
The correct answer is D because when sun heats the land air rises up from the land so the option 4 is also correct , hence D is correct option

Ans 4:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
CORRECT ANS IS A

Ans 5:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct answer is : B

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Shreshta from Presidium, Ghaziabad
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the answer is : C

Ans 2:

Advay Dhua from Delhi Public School NOIDA, Noida
Class : Class 5
no correct answer for this bogus question. Mentioned that ant eaters lay eggs whereas they do not. they are mammals but they are not monotrems. answer can be c as butterfly lays eggs,platypus is a monotreme mammal so lays eggs, and flying lizard has wings.

Ans 3:

Chinmaya Ratnagiri from DPS, HYderabad
Class : Class 4

Ans 4:

Chinmaya Ratnagiri from DPS, HYderabad
Class : Class 4
There is no correct answer to this question.

Ans 5:

delakshi from chrysalsis high, bangalore
Class : Class 4
the answer is not c because lizard dont have wings

Ans 6:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the answer is : C

Ans 7:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 6
C C C

Ans 8:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
SOF got it right Some anteaters lay eggs; they did not say that it is related to normal anteaters who do not lay eggs

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Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Ryan from YBIS , SINGAPORE
Class : Class 5

Ans 2:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
d is the correct answer because if we throw untreated industrial waste it harms the water we drink

Ans 3:

Ayushman Atreya from Little Heart Toddlers Academy, Angul
Class : Class 3

Ans 4:

Ayushman Atreya from Little Heart Toddlers Academy, Angul
Class : Class 3
hhjj

Ans 5:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct answer is D because if we throw untreated industrial waste the water bodies the water might get polluted and cannot be safe for drinking and for our uses as it can cause some harmful diseases like cholera and jaundice and also harms the plants and animals in the water

Ans 6:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
4 ans is D cause if we throw untreated industrial wastes in water bodies they will get polluted and we won t be able to drink it

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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Ans 2:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct answer is : B

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Saarth Agrawal from Podar International School , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 8
SOLUTION PLS

Ans 2:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6

Ans 3:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Please someone tell me the answer

Ans 4:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
give solution

Ans 5:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the correct option is : A ]

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Saarth Agrawal from Podar International School , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Ishan Manjith from Loyola ICSE, THIRUVANANTHAPURAM
Class : Class 4
Giveso lutionscie nceolymp iad

Ans 2:

SS from meridian, hyderabad
Class : Class 5
give solution please

Ans 3:

Aarya Ranjan from Chrysalis High Varthur, bangalore
Class : Class 5
solution please

Ans 4:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6

Ans 5:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
giveslution

Ans 6:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow
Class : Class 7

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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

Rakesh Parikh from DPS, Jaipur
Class : Class 5
A

Ans 2:

Rajat Khandelwal from T.I.M.E, Hyderabad
Class : Class 8
A

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Ayush Singh from LMB, Kolkata
Subject :NSO    Class : Class 4

Ans 1:

GAIRIK GHOSH from ST. AUGUSTINE'S DAY SCHOOL, BARRACKPORE, AGARPARA
Class : Class 6
The orbit marked as 'x'is of the sun i.e. option 'B'

Ans 2:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Ashwak mind your words

Ans 3:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
sun has no orbit and moon has orbit around the earth so the answer is C .... COMMET

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Every person who says the answer is A , B or D is MAD

Ans 5:

Yahvi Sahay from D P S electronic city, Bengaluru
Class : Class 8

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Bhavya Sheth from Bright Day School, Vadodara
Subject :NSO    Class : Class 4

Ans 1:

Rishon Chandy from KV IIT Powai, Mumbai
Class : Class 7

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Air contains approximately 78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide, and small amounts of other gases.


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