National Science Olympiad Forum By SOF Olympiad Trainer - Page 38
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Saarth Agrawal from Podar International School , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

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

Ans 1:

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

Ans 2:

Rakesh Parikh from DPS, Jaipur
Class : Class 5
A

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

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 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: (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 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
NA

Ans 3:

SAGNIK from springdale primary school , kolkata
Class : Class 4

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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:

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

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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ISHAN DAS from DELHI PUBLIC SCHOOL , ANGUL
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
THE ANSWER C

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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:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
Admin is correct.I know that!

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Q is an animal that lays eggs and has 4-stages in its life-cycle. Q could be butterfly or mosquito. They lay eggs, and their life-cycle has 4-stages – egg, larva, pupa and adult. The pupa stage is the non-feeding stage.


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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

Biodegradable household wastes increase soil fertility.


Ans 2:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Sorry, meant why not A

Ans 3:

Overtaker from Blore, Blore
Class : Class 4
B

Ans 4:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Why not C?

Ans 5:

AARNAV SINGH from Prudence school Ashok vihar Delhi, Delhi
Class : Class 3
WHY OPTION A NOT?

Ans 6:

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

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