National Science Olympiad Forum By SOF Olympiad Trainer - Page 43
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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:

SAGNIK from Delhi public school, ruby park, kolkata
Class : Class 5

Ans 3:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 6
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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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: (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.


Ans 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 6
Admin is correct.I know that!

Ans 3:

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

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

Ans 1:

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

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: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Biodegradable household wastes increase soil fertility.


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

Ans 1:

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

Ans 2:

AAGNEY GOYAL from VENKATESHWAR INTERNATIONAL SCHOOL, Delhi
Class : Class 4

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Surface Y is shiny, so it may act like a mirror.


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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Length of the day depends on the speed of rotation of a planet on its axis. The more is the speed the shorter is the length of the day.


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Naavya Kapoor from St Gregorios High school , Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


Ans 2:

SAPTARSHI SAHA from Hemsheela Model School, Durgapur
Class : Class 8

Ans 3:

Shreshta from Presidium, Ghaziabad
Class : Class 3
A

Ans 4:

Hamzah Inamdar from SHARDA ENGLISH SCHOOL KAIJ DIST BEED, KAIJ
Class : Class 4

Ans 5:

Sargun Maini from The Khaitan School, NOIDA
Class : Class 6

Ans 6:

Kanishka malik from Uttam school for girls, Ghaziabad
Class : Class 4
Please explain

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is A

Ans 8:

Shreshta from Presidium, Ghaziabad
Class : Class 3
A

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