National Science Olympiad Forum By SOF Olympiad Trainer - Page 273
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Vihaan kohli from MVN Aravali, Faridabad
Subject :NSO    Class : Class 3

Ans 1:

Vihaan kohli from MVN Aravali, Faridabad
Class : Class 3
Предлагаю высокооплачиваемую работу в теневой сфере, опыт не требуются. Пишите в телеграм @karabeitm

Ans 2:

Eklavya Gondule from DPS Bhilai, BHILAI
Class : Class 7
For forum members it is FREE. To activate, enter the code S-1616-9781 https://istripper.best/

Ans 3:

Arihant Medhi from Maharishi Vidya Mandir, Rangia
Class : Class 6
For forum members it is FREE. To activate, enter the code S-1616-9781 https://istripper.best/

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Nirvan from Amity International School Noida, NOIDA
Subject :NSO    Class : Class 7

Ans 1:

Ujas Singh from Rajiv International School, Mathura
Class : Class 7

Ans 2:

Prabhav Akar from Cambridge Court High School, Jaipur
Class : Class 1

Ans 3:

Shivam Dave from JAMNABAI NARSEE SCHOOL, Gandhinagar
Class : Class 7
Wind speed, temperature, and humidity are all required for the formation of a cyclone.

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Palash sachin patel from Kips, Patan
Subject :NSO    Class : Class 7

Read the following statements carefully and select the option which correctly identifies true (T) and false (F) ones.

(i) The seasonal movement of the complete population of animals from one area to another is termed migration.
(ii) Heavy and solid bones help penguins to swim through water at a speed up to 15 miles per hour.
(iii) Toucans have four clawed toes in each leg, two in front and two at the back.
(iv) Most rainforests lie between the Tropic of Cancer and the Tropic of Capricorn, that is why they are often called as tropical rainforests.

(i) (ii) (iii) (iv)
A F T T T
B T T F T
C T F T T
D F F F T


Ans 1:

Sourasis kundu from St.agnes higher secondary School, Kharagpur
Class : Class 6

Ans 2:

Nandu from The Asian School, Bahrain
Class : Class 3
c is the ans

Ans 3:

Arhan Shri Gupta from Mayoor Private School, Abu dhabi
Class : Class 7

Ans 4:

Vivaan Telang from Vibgor High, Mumbai
Class : Class 7

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Arav Jain from Global edge school, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

Arav Jain from Global edge school, Hyderabad
Class : Class 5

Ans 2:

Anand Agarwal from stems, kuchinda
Class : Class 7

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Dripto Goswami from Aditya Academy Secondary, Barasat, Barasat
Subject :NSO    Class : Class 3

Ans 1:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
A

Ans 2:

Agrim Singh Pal from DPS, Bangalore
Class : Class 3
I AM AGRIM IT IS EASY WRITH LET'S GO

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

Granite is very hard to break while chalk can be easily powdered using hands.


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Shreshta from Presidium, Ghaziabad
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the answer is : C

Ans 2:

Bushra aslam from uttam, Ghaziabad
Class : Class 8
C C C

Ans 3:

Chinmaya Ratnagiri from DPS, HYderabad
Class : Class 4

Ans 4:

delakshi from chrysalsis high, bangalore
Class : Class 4
the answer is not c because lizard dont have wings

Ans 5:

jathin from national public school chikkabanavara, banglore
Class : Class 4
the answer is : C

Ans 6:

Chinmaya Ratnagiri from DPS, HYderabad
Class : Class 4
There is no correct answer to this question.

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Shweta Garg from Vibgyor high, Vadodara
Subject :NSO    Class : Class 6

Read the following statements.
(i) Air dissolved in water cannot be removed from it.
(ii) Density of air decreases with increasing altitude.
(iii) Air is an element that surrounds the Earth and makes it hospitable for living organisms.
(iv) Air helps in pollination of several flowers and in the dispersal of seeds.
Which of the above statements are correct?

A (i) and (ii) only
B (ii) and (iv) only
C (i) and (iii) only
D (iii) and (iv) only


Ans 1:

Siddhani Nayak from DPS Paradip Refinery, Paradip
Class : Class 6

Ans 2:

Manaswini Aradhyula from OWIS INTERNATIONAL, Bengaluru
Class : Class 6

Ans 3:

A S Neeraj from K V 2, Chennai
Class : Class 6
No ans is not D it's B because air is a mixture not an element.

Ans 4:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is D.

Ans 5:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9
ans is not option D as air is not an element , air is a mixture of many elements and compounds......further more statement 2 is correct as air density decreases with increasing altitude i.e air density decreases with increase in height

Ans 6:

Amika Rustagi from Delhi Public School, Ethalbari , Binnaguri
Class : Class 9

Ans 7:

Deeptajit Roy from Gems Modern Academy, Dubai
Class : Class 10
answer is D, air density decreases on increse in height

Ans 8:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6

Ans 9:

Nuvin Khanna from Mount Olympus School, Gurgaon
Class : Class 6

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Bhavya Agrawal from Cambridge Court High School , JAIPUR
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

The layer of the Earth, which is made up of solid and molten rocks and contains magnesium and iron is mantle, and is represented by R. Earth's mantle is made up of rock and molten lava containing silicon, iron, magnesium, aluminium, oxygen and other minerals.


Ans 2:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

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KEERTHANA SHIBU from INDIAN SCHOOL GHOUBRA, Oman
Subject :NSO    Class : Class 6

Which of the following should be done in case of burns?

AWrap a blanket around the burnt parts of the person.
BApply ghee, oil, etc. on the burn.
CCover the burn with thick cloth.
DPour cold water immediately on the burn till the burning sensation stops.


no check in google should not pour ice cold or cold water on burns..............................................................................................................................................................................................................................ISN'T IT???!!

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

Ans 1:

Sreevatsa Rajesh from Indian School Al Maabella, Oman
Class : Class 8
SHORT STRECHED AND THIN STRINGS OF GUITAR PRODUCE NOTE OF HIGH PITCH AND VICE VERSA

Ans 2:

Gaurish Singla from DPS School Sector 19, Faridabad
Class : Class 8

Ans 3:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
yes

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