National Science Olympiad Forum By SOF Olympiad Trainer - Page 39
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Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

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 2:

Ryan from YBIS , SINGAPORE
Class : Class 5

Ans 3:

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

Ans 4:

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 5:

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

Ans 6:

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

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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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

SS from meridian, hyderabad
Class : Class 5
give 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:

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

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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:

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

Ans 2:

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 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: (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.


Ans 2:

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

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1:

SAGNIK from springdale primary school , kolkata
Class : Class 4

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Human adults have 4(P) types of teeth in their dentition. These are Incisors(Q), Premolars(R), Canines(S) and molars. Incisors(Q) helps in cutting or biting food. There are 4(T) Incisors(Q) in each jaw. Premolars(R) teeth are absent in milk teeth set but there are 8(U) such teeth in permanent teeth set. Canines(S) are four in number and helps in Tearing(V) food.


Ans 3:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
NA

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1:

PARTH MEHTA from Navrachana school, Vadodara
Class : Class 6
Answer shud be d

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


Ans 2:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 6
Answer b will be the correct answer as mosquito is not a social insect while others are termite is not useful insect and honey bee is a useful insect

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