National Science Olympiad Forum By SOF Olympiad Trainer - Page 399
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Anushka Srivastava from Cjm, Dehradun
Subject :NSO    Class : Class 7

Ans 1:

Arjun from Sri Kumaran Public School - ICSE, Bengaluru
Class : Class 8
This is wrong. Hydra is a Cnidarian, therefore the waste exits through its mouth.

Ans 2:

Anushka Srivastava from Cjm, Dehradun
Class : Class 7
9jh

Ans 3:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
B

Post Your Answer

Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 2:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
It should be B

Ans 3:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

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 2
NA

Ans 3: (Master Answer)

from ,
Class :

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:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
I was kidding

Ans 2:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4

Ans 3:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
(MASTER ANSWER) C

Ans 4:

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

Ans 5:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
C is correct. This is because they get almost the same amount of sunlight throughout the year. They also get straight rays of the sun.

Ans 6:

Hitansh Madhav from GIIS Noida, Noida
Class : Class 4
it is d

Post Your Answer

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

Ans 1:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 7
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)

from ,
Class :

B


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

Naman from Uis, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
the correct answer will be c

Ans 2:

Shivesh Dan from BAL BHARATI PUBLIC SCHOOL, NOIDA
Class : Class 3
correct answer C because candles, sun, torches, diya, and bulbs are luminous objects and if we count them, there are five luminous objects.

Post Your Answer

Shreya Sudarshan from Creaa academy for learning , Bengaluru
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

from ,
Class :

B

Rahul and Ravi both cover different distances XOY and XY respectively at the same time. It is clear from the figure  that the distance XOY is longer than distance XY .So, the speed of Rahul must be greater than that of Ravi.


Ans 2:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
rrrrrrrrrrrrrrrrrrr

Ans 3:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
B

Ans 5:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 10
this was ez

Ans 6:

Sarang Shete from Amanora School, Pune
Class : Class 8
b'

Ans 7:

Yashraj from pps, pune
Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Post Your Answer

Arun from st thomas public school, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Pranav Kartik from DPS sushant lok , Gurgaon
Class : Class 3
C

Ans 2:

Maanasa from PSBB Siruseri, Chennai
Class : Class 8
Answer is d

Ans 3:

Pratheek from Null, Null
Class : Class 4

Ans 4:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is C . As you can see the electrons move from negative termina to positive terminal .the short line of battery shows that it is negative terminal and as you know that rubber is insulator of electricity so the electrons could not pass through bulb b¹.

Ans 5:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
C

Post Your Answer

Deeptajit Roy from Gems Modern Academy, Dubai
Subject :NSO    Class : Class 6

Post Your Answer