National Science Olympiad Forum By SOF Olympiad Trainer

Jayaditya Pratihari from Ganges Valley School, Hyderabad

Subject :NSO Class : Class 7

Find the figure from the options in which Fig.(X) is exactly embedded as one of its part.

A
B
C
D

Ans 1:

Asha Suvidya from I.T.I Central School, Bangalore

Class : Class 7

Option A is the answer.

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Mohammad Ateeb Qaiser from DAV PUBLIC SCHOOL, WALMI COMPLEX, PHULWARI SHARIF , PATNA, patna

Subject :NSO Class : Class 1

Study the given figure. What could be P, Q and R?

	P	Q	R
A	Mosquito	Cockroach	Duck
B	Head louse	Butterfly	Hen
C	Penguin	Ladybug	Ostrich
D	Bed bug	Spider	Bat

ANSWERS ARE BOTH OPTION A AND B CORRECT.

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Katyayan from Padma She Shadri GyanGun Nagar Sineor Secendry School, Chennai

Subject :NSO Class : Class 3

It is not a good habit for children to wear X type of footwear as they can spoil the shape of the feet, and can also cause back pain. Which of these is X type of footwears?

A
B
C
D

I will try not to do that.

Ans 1:

Vishwas kanani from Apollo international school , AHMEDABAD

Class : Class 4

D HEALS IS NOT GOOD FOR CHILD

Ans 2:

Vishwas kanani from Apollo international school , AHMEDABAD

Class : Class 4

D HEALS IS NOT GOOD FOR CHILD

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Archisha Yadu from Krishna Public School Dunda Raipur, Raipur

Subject :NSO Class : Class 5

Which natural disaster can be measured on the Richter scale?

ATsunami
BEarthquake
CCyclone
DFlood

Earthquack

Ans 1:

Suman maity from GK Public school, Khejuri

Class : Class 5

EARTH QUACK

Ans 2:

Devesh Digrase from Gyanmata , Nanded

Class : Class 5

Earthquake

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KRISHNARGHYA PRAMANIK from DELHI PUBLIC SCHOOL, MEGACITY, KOLKATA WEST BENGAL

Subject :NSO Class : Class 1

Refer to the given word grid and answer the question.

The meaning of which of the following road signs is hidden in the given word grid?

A
B
C
D

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Snigdha Agarwal from The Khaitan School, Noida

Subject :NSO Class : Class 3

Match the columns and select the correct option.

Column I	Column II
a. Ship	1. Helipad
b. Helicopter	2. Airport
c. Aeroplane	3. Harbour
d. Steamer	4. Sea shore
	5. Water transport
	6. Air transport

A a – 3; b – 1; c – 2; d – 5
B a – 3; b – 2; c – 6; d – 5
C a – 4; b – 1; c – 5; d – 3
D a – 4; b – 2; c – 6; d – 4

The answer is A

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Adrija Guria from Egra Public School , Egra

Subject :NSO Class : Class 3

Refer to the given word grid. Which of the following means of transport is NOT hidden in this word gird?

AMeans of transport used to carry sick and injured people to hospital
BMeans of water transport used by naval forces
CMeans of public land transport that runs on electricity
DMeans of transport used by astronauts to go into space

Option A:ambulance is there in the grid

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Student from School, City

Subject :NSO Class : Class 9

Read the given statements and mark the correct option.
Statement 1 : Solid CO₂ changes its state when exposed to air.
Statement 2 : CO₂ undergoes sublimation.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.

CHanges its state is not explaned

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Ans 1:

Pragnya Paramita Swain from VSV, Sunabeda Koraput

Class : Class 9

Option A - Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. Because, when solid CO2 is exposed to air it changes into gaseous state i.e. it undergoes "SUBLIMATION". Therefore option A is correct.....

Ans 2:

Rishi Gopi from Loyola, Trivandrum

Class : Class 9

very true

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KRISHNARGHYA PRAMANIK from DELHI PUBLIC SCHOOL, MEGACITY, KOLKATA WEST BENGAL

Subject :NSO Class : Class 1

How can you put the given things in a group?

A Things with sharp edges
B Things that can cut your hand
C Things that can hurt you
D Things that can burn your fingers