National Science Olympiad Forum By SOF Olympiad Trainer - Page 591
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Shuvangi Das from Vivekananda mission school, haldia
Subject :NSO    Class : Class 4

Ans 1:

shuddhi choubey from euro school mumbai, Bhopal
Class : Class 4
ans is b

Ans 2:

SRISANTH from Edify, Tirupathi
Class : Class 5

Ans 3:

Riddhiman Bose from Don Bosco School, Kolkata
Class : Class 5
class 4

Ans 4:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Thanks Again Ishit, Riddhiman, and Avyukt!🙏

Ans 5:

Chinmayee from Dimensions , Singapore
Class : Class 4
The answer can either be B or D.

Ans 6:

Anwita L Bhat from Vijaya vittala vidyashala, Mysore
Class : Class 4

Ans 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Kindly mention your query

Ans 8:

Chinmayee from Dimensions , Singapore
Class : Class 4
The answer has to be D.

Ans 9:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
That answer is D as b,a and b are the best conductors of heat so the heat would pass through b,a and b faster and it is balanced.Nice question.

Ans 10:

Riddhiman Bose from Don Bosco School, Kolkata
Class : Class 5
That answer is D as b,a and b are the best conductors of heat so the heat would pass through b,a and b faster and it is balanced.Nice question.

Ans 11:

Avyukt Sahoo from Pallavi International School , Hyderabad
Class : Class 4
there is no necessity of mentioning the words: "descending order". This is contradictory to the statement: A>B>C>D. Hence the question is wrong.

Ans 12:

Anwita L Bhat from Vijaya vittala vidyashala, Mysore
Class : Class 4

Ans 13:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 6
Ishit and Riddhiman thank you for clearing my doubts

Ans 14:

Shrihan Koley from Radiant International School , Patna
Class : Class 5
Lata hai sab pagal ho gaya hai answer is b

Ans 15:

Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Class : Class 5

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AARNA Kapse from The swaminarayan school, Nagpur
Subject :NSO    Class : Class 2

Ans 1:

Ipshita from VIBGYOR, Bengaluru
Class : Class 1
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Aaryav Tiwari from DPS VK, Delhi
Subject :NSO    Class : Class 6

Ans 1:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8

Ans 2:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
My query is, I didn't understand anything. Pls explain me

Ans 3:

NIVED PRAKASH NAIR from SARVODAYA, THIRUVANANTHAPURAM
Class : Class 8
Please explain how unsaturated fats are liquids at room temperature

Ans 4:

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

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Kindly mention your query

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karunesh tiwari from SJ education centre , Kanpur
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Please mention your query

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Aditya Sai Vemparala from Amanora school, Pune
Subject :NSO    Class : Class 7

Ans 1:

Nussrat from Army Goodwill Public School Rajouri, Rajouri
Class : Class 7
42

Ans 2:

Dheeraj from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 7
The answer is 42!!!

Ans 3:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
It's 42 guys

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Bhavana Goswami from South City International, Kolkata
Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Here, the correct answer is A. In (A), the incident rays are diverged after refraction, so the lens is concave and in (B), the incident rays are converged after refraction, so the lens is convex.

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Aarush Laddha from NCFE, bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Anika Saha from New Town School, KOLKATA
Class : Class 6
Why are there maths questions in science paper?????

Ans 2:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
WHAT IS THE CLASS THIS IS LIKE MATHS

Ans 3:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
WHAT IS THE CLASS THIS IS LIKE MATHS

Ans 4:

ARYAN DAS from LOKHANDWALA FOUNDATION SCHOOL, MUMBAI
Class : Class 8

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Here, the answer is C. Displacement is the shortest distance covered by a body. In a circular path, the distance between the initial point (Here=P) and the final point (Here=Q) will give you the displacement. Here, Shortest distance between P and Q is PO + OQ = a + a = 2a Hence, the displacement of the cyclist would be 2a.

Ans 6:

Raghaov Sharma from DPS Dwarka , delhi
Class : Class 8
thanks admin for the explanation

Ans 7:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
i did not understand the question

Ans 8:

Anshuman Mishra from kv no 3, Bhubaneswar
Class : Class 7
the ans will be c

Ans 9:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
in short words this was easy

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Sheethal from Global public school, Ernakulam
Subject :NSO    Class : Class 6

Ans 1:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 2:

Aahan Mishra from KV-IIT Chennai, Chennai
Class : Class 7
ty

Ans 3:

Divyesh Padhalni from brookfield high, Bengaluru
Class : Class 9

Ans 4:

malhar thorve from city internqtional school, satara road, pune
Class : Class 6

Ans 5:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
Answer is C because Y is minerals.Minerals are inorganic.Excess consumption of minerals does not cause obesity.So they have told to mark incorrect answer.Therefore C is correct

Ans 6:

satwik patnaik from DPS Rourkela, Rourkela
Class : Class 7
c

Ans 7:

Aditya Mahajan from DPS Noida, noida
Class : Class 9
The answer should be (d),not (c).

Ans 8:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
c

Ans 9:

Anushka Srivastava from Cjm, Dehradun
Class : Class 7
The answer is c

Ans 10:

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

Ans 11:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
c

Ans 12:

Prabhav Kaushik from DPS Noida, Noida
Class : Class 10

Ans 13:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
c

Ans 14:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8

Ans 15:

Neev V Sawant from Montfort Senior Secondary School, Roorkee
Class : Class 7

Ans 16:

Pratul Kumar Sahoo from Presidium, Gurugram
Class : Class 4
c

Ans 17:

Asank Kumar from Delhi Public School, navi mumbai
Class : Class 10

Ans 18:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
Can anyone explain what 'inorganic elements' are?

Ans 19:

Ashwak from Cambridge, Jalandhar
Class : Class 9
C is correct

Ans 20:

kpks14 from RIMT World School, Chandigarh
Class : Class 7

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Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Here, the answer is B. Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Here, the answer is B. Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.

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Aditya Sai Vemparala from Amanora school, Pune
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Kindly mention your query

Ans 2:

Dheeraj from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 7
The answer is C!!!

Ans 3:

Dheeraj from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 7
The answer is C!!!

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