National Science Olympiad Forum By SOF Olympiad Trainer - Page 53
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Fareeha siddiqua from Janki Devi public school , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Kavin from ISG , Muscat, Muscat
Class : Class 5
so did i pranab

Ans 2:

PRANAB KUMAR from MARIAS PUBLIC SCHOOL, Guwahati
Class : Class 6
i did not understand anything/

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Aaryaman Pradhan from De paul School , Berhampur
Subject :NSO    Class : Class 4

Ans 1:

AVANTIKA V from Amrita Vidyalayam Puducherry , Puducherry
Class : Class 4
D

Ans 2:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Given figures show the shapes of Moon seen from Earth on different nights:We know that the moon changes from one phase to the next in approximately 3 days. Same is shown by the above figures. Let’s see what all phases the moon has, and put the above given dates to the right phases:That means on January 17, it would be a crescent moon – waxing crescent moon.Hence, the right answer is Option D.

Ans 3:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
answer is d because after new moon cresent moon comes after 2 days

Ans 4:

UMANG from spring dale college, Lucknow
Class : Class 7
the answer is D. because after the full moon, there comes the glibbous moon

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Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Which of the following statements is INCORRECT?

APlant and animals help to maintain the balance of oxygen and carbon dioxide in nature.
BCamouflage is the ability of an animal to change its colour to blend or merge with its surrounding.
CDue to the extreme heat and lack of food, some animals survive the summer season by going into a kind of deep sleep called hibernation.
DFew animals living in cold Arctic and Antarctic region have a thick layer of fat called blubber under their skin.


correct ans C

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Devansh k joshi from Lotus, Ahmedabad
Subject :NSO    Class : Class 4

Ans 1:

Rishit Garg from Bhavan s B P Vidya Mandir , Nagpur
Class : Class 9

Ans 2:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
the words are circled in the grid only

Ans 3:

Bushra aslam from uttam, Ghaziabad
Class : Class 8

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Snehal Akolkar from vikhe patil, Pune
Subject :NSO    Class : Class 4

Ans 1:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 6

Ans 2:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 4
Option b

Ans 3:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 6

Ans 4:

virat varshney from bls international school, HATHRAS
Class : Class 5

Ans 5:

Student from School, City
Class : Class 5
the correct answer is b

Ans 6:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 7:

Agriye Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 8
4B

Ans 8:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
its B

Ans 9:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
The correct answer is option B.

Ans 10:

Bhanu V from World One , Hyderabad
Class : Class 4
B

Ans 11:

Tanishka Laha from Euroschool, Bengaluru
Class : Class 5
The plant shown has fleshy stems to store water.

Ans 12:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Answer d

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Pranav Kiran Rajarathna from The Samhita Academy, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Tanishka Laha from Euroschool, Bengaluru
Class : Class 5
(A) cannot be the right answer as once the water vaporizes, there is no scope for sedimentation. (B) cannot be the right answer as once the mixture is filtered, the sand shall be collected on the filter paper while the clean water shall be collected in a beaker.Evaporation is not required. The answer is (C) because sand is heavier than water and shall settle down at the bottom of the beaker.This process is called sedimentation.Subsequently,the clear water from the top can be decanted out. (D) cannot be the right answer as once decantation is done, the clear filtrate shall be left over and filtration is not required.

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Sindhura Dumbala Reddy from Global Indian International School, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Kanishk gupta from Prime academy, Mumbai
Class : Class 4

Ans 2:

Bhanu V from World One , Hyderabad
Class : Class 4
D

Ans 3:

Arjun120914 from St. Andrews world school, Ghaziabad
Class : Class 5
D

Ans 4:

Pranay patel from DPS east, Bangalore
Class : Class 5

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adhiraj chaudhary from apeejay school noida, noida
Subject :NSO    Class : Class 4

Ans 1:

Bhanu V from World One , Hyderabad
Class : Class 4
C

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 8
C is the correct answer

Ans 3:

nikunj from aadharshila vidyapeeth, delhi
Class : Class 4
c

Ans 4:

Sovan from Salt lake ca, Kolkata
Class : Class 4
OPTION c IS THE CORRECT ANSWER

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Isra Fathima from sophia high school, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5

Ans 2:

Avirath Rao from Manav Rachna International School , Gurgaon
Class : Class 5

Ans 3:

Rishabh Rathi from Blue Ridge Public School, Pune
Class : Class 5
a

Ans 4:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
D

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Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Subject :NSO    Class : Class 4

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