National Science Olympiad Forum By SOF Olympiad Trainer - Page 41
  1. Home
  2. /  Forum

User Forum

Ask Your Question
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.


Post Your Answer

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

Ans 1:

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

Ans 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
NA

Ans 3: (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.


Post Your Answer

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

Post Your Answer

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 -PANATHUR-, 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

Post Your Answer

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

Post Your Answer

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

Ans 1:

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

Ans 2: (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 3:

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

Post Your Answer

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:

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

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Biodegradable household wastes increase soil fertility.


Ans 4:

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

Ans 5:

Overtaker from Blore, Blore
Class : Class 4
B

Ans 6:

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

Post Your Answer

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

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


Ans 2:

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

Ans 3:

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

Post Your Answer

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

Post Your Answer

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.


Post Your Answer