National Science Olympiad Forum By SOF Olympiad Trainer

Shiven Dinkar from DPS NOIDA Sector 30, Delhi

Subject :NSO Class : Class 3

Which among these would be the best material to use, while making the handle of a tea kettle?
(a) Aluminium
(b) Wood
(c) Glass
(d) Iron

Post Your Answer

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Subject :NSO Class : Class 5

Which of the following options is exactly embedded or hidden in Figure (X)?

A
B
C
D

b

Ans 1:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

Ans 2:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

it will be B

Ans 3:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

B

Ans 4:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

Post Your Answer

MAYANK BANSAL from Delhi Public School, Bathinda

Subject :NSO Class : Class 3

Aquatic animals like fish use their tail fins _____.

AFor defensive purposes
BTo change direction while swimming in water
CTo maintain balance while swimming
DNone of these

I have also put {b to change direction while swimming in water}but the option has been changed to {c to maintain balance while swimming . so please don't do like this

Post Your Answer

Mahadevan from KV Rubber Board Kottayam, Kottayam

Subject :NSO Class : Class 4

Cross out every second letter, starting from the first letter and select the option which gives a means of audio communication.

AM E I M A A T I R L
BO R K A B D U I S O
CS F P A C X X
DH C L O G U Y R L I Q E B R

question wrong .strike out first letter

View All Answers (0)

Submit Your Answers

Post Your Answer

Aahana from ANAND NIKETAN MANINAGAR, Ahmedabad

Subject :NSO Class : Class 5

If 'ludo' means 'racket', 'racket' means 'football', 'football' means 'shuttle', 'shuttle' means 'bat' and 'bat' means 'carrom', what is cricket played with?

A racket
B carrom
C bat
D shuttle

answer should be B

View All Answers (3)

Ans 1:

Devrajan from Amity International School, Noida

Class : Class 5

Ans 2:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur

Class : Class 5

Answer is shuttle

Ans 3:

Soumya Sahoo from Pragathi central school, Hyderabad

Class : Class 5

Answer is carrom

Submit Your Answers

Post Your Answer

Arnav from PSBB, Chennai

Subject :NSO Class : Class 5

Beena performed an experiment in which she took four beakers containing different amounts of water at different temperatures.
She added equal amount of salt into each beaker.

Identify the beaker in which salt takes the shortest time to dissolve.

A Beaker 1
C Beaker 2
C Beaker 3
D Beaker 4

View All Answers (2)

Ans 1:

Manisha Vichare from Dcv, Mumbai

Class : Class 6

Beaker 4

Ans 2:

Neelesh Dutta from Innocent Hearts School, JALANDHAR

Class : Class 5

Beaker4 is the write answer

Submit Your Answers

Post Your Answer

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Subject :NSO Class : Class 5

Ruchir had to prepare a list of kharif crops. By mistake, he put some rabi crops also in the list. Pick out the kharif crops from the list prepared by Ruchir and select the correct option.

A(ii), (iv), (ix) and (x) only
B(ii), (vi), (vii) and (viii) only
C(i), (ii), (vi) and (x) only
D(iii), (v), (ix) and (x) only

b

View All Answers (3)

Ans 1:

tanmay chaudhry from BAL BHAVAN PUBLIC SCHOOL, New Delhi

Class : Class 4

answer is aaaaaaaaaaaaaa

Ans 2:

Krethick Ravichandran from Yuvabharathi International School, Singapore

Class : Class 6

Ans 3:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

Submit Your Answers

Post Your Answer

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Subject :NSO Class : Class 5

Count the number of cubes in the given figure.

A21
B24
C20
DNone of these

View All Answers (4)

Ans 1:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 6

Ans 2:

Atharv from Lakshdham high school , Mumbai

Class : Class 5

Ans 3:

SHAURYA GUPTA from DPS NOIDA, Ghaziabad

Class : Class 5

Ans 4:

Krethick Ravichandran from Yuvabharathi International School, Singapore

Class : Class 6

Submit Your Answers

Post Your Answer

santosh katiyar from narayana vidhyalayam, Nagpur

Subject :NSO Class : Class 6

Refer to the given paragraph. Birds have __(i)__ bodies which reduces resistance of air. Bones are __(ii)__ which make their body light weight. Their __(iii)__ are typically for walking and perching while __(iv)__ are modified as wings for flight.
Which of the following correctly fills blanks (i) – (iv)?

A
B
C
D