National Science Olympiad Forum By SOF Olympiad Trainer - Page 756
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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Harshkant Gharote from Delhi Public School kolar road , Bhopal
Class : Class 7
D. Decrease in surface area

Ans 2:

Neil from SNBP international school, Pune
Class : Class 4

Ans 3:

Parth from St Stephens School, Chandigarh
Class : Class 5
option D

Ans 4:

Satvik Bhand from DPS Bhopal, Bhopal
Class : Class 2
,

Ans 5:

Parth from St Stephens School, Chandigarh
Class : Class 5
option D

Ans 6:

Anirudh from indira, Pune
Class : Class 5
D

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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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PRADEEP KUMAR PANDEY from GIIS, DELHI
Subject :NSO    Class : Class 3

Ans 1:

Yeala Ayeisha Brysh from Pearl School, Qatar
Class : Class 3
D is incorrect as planes need long runways to land .Correct answer is C, because some helicopters have wheels. so this is the only (not a difference) for both P

Ans 2:

Admin from SOF, Noida
Class : Class 10
Answer. D D is incorrect because planes need long runways to land.

Ans 3:

prithika from Indian school sohar, sohar
Class : Class 5

Ans 4:

Admin from SOF, Noida
Class : Class 10
Answer: D A,B,C are correct statements and differentiate a helicopter from a aeroplane. D is wrong as aeroplane needs long runways.

Ans 5:

Jeronee from Christwood School, PERUMBAKKAM
Class : Class 5
Q does not need much space for landing

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Kishor Kumar from Lotus School, Ahmedabad
Subject :NSO    Class : Class 5

Ans 1:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6

Ans 2:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 3:

Harjot Singh from GIIS KL, Kuala Lumpur
Class : Class 4
INCORRECT ANSWER

Ans 4:

RAMAYANI PAKHARE from S M SHETTY HIGH SCHOOL, MUMBAI
Class : Class 6

Ans 5:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7
it is an printing mistake

Ans 6:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
incorrect answer or an typing error in option A

Ans 7:

Ritisha Kapur from BlueBells School Internnational, New Delhi
Class : Class 7
KISHOR THE ANSWER FOR THIS QUESTION IS OPTION (A) . AS WE SHOULD PREVENT READING IN DIM OR VERY BRIGHT LIGHT AS IT CAN HARM OUR EYES. THE OTHER 2 OPTIONS (B)& (C) ARE CORRECT AS WE SHOULD FOLLOW THEM NOT PREVENT THEM. THANKS RITISHA HOPE U UNDERSTOOD PLZ LET ME KNOW YOUR CLASS AS I AM IN CLASS 5..

Ans 8:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
Incorrect options and solution

Ans 9:

SIDDHARTH UPADHYAY from KENDRIYA VIDYALAYA EZHIMALA, KANNUR
Class : Class 4
The correck answer is C

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Girish Jayan from National centre for excellence, Bengaluru
Subject :NSO    Class : Class 5

Ans 1:

Sanjeev Garg from Assumption Convent School, malout
Class : Class 6
all answers are wrong. Because X is a crow which is a omnivoreY is a frog which is an carnivore. its larval stage is tadpole which is a herbivore but here is not written about tadpole instead an adult frog.Z is a tiger which is an carnivore.

Ans 2:

Ritisha Kapur from BlueBells School Internnational, New Delhi
Class : Class 7
OPTION C IS THE ANSWER FOR THIS I THINK SO.....

Ans 3:

JUDAH BHARATHAN from CMR NPS, BANGALORE
Class : Class 5
Frogs may eat flies.

Ans 4:

SUSHANT TYAGI from ,
Class : Class 5
B

Ans 5:

SOHAM BISWAS from ADAMAS INTERNATIONAL SCHOOL, Kolkata
Class : Class 7
option b is correct

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SAKSHI RAHUL BHAGWAT from ,
Subject :NSO    Class : Class 6

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amol dewale from ,
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Daksh from RKC, Rajkot
Subject :NSO    Class : Class 3

Ans 1:

Raunak Jeswani from Centre point Katol road , Nagpur
Class : Class 3
WHAT IS THE LOGIC BEHIND THIS

Ans 2:

Aarush from CA, Bengaluru
Class : Class 5
Yes, we would like to understand the logic as well. The question itself is not very clear.

Ans 3:

Advait kaushik from Ryan international school, Gurugram
Class : Class 7
b

Ans 4:

Daksha Neill from Somerville school, Delhi
Class : Class 7
Please elaborate the question and solution.

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 8
This is a very easy question because the poles of two magnets are given if south pole is sticking to any pole of the magnet it is clear that it is the north pole and the other pole is the south pole and thats how we can find the other poles of the magnet

Ans 6:

Abhijato Chatterjee from Bharatiya Vidya Bhavan, Kolkata, kOLKATA
Class : Class 6
The question is not at all clear. Please improve your software. You are taking money for it.

Ans 7:

cp.rajesh1977@gmail.com from Bharatiya Vidhya Bhavan, Abu Dhabi
Class : Class 1
Pls help us with solutions and logic used

Ans 8:

PRATYUSH SINGH from THE KHAITAN SCHOOL, NOIDA
Class : Class 10
PL MAKE CLEAR PRINTING OF QUESTIONS FOR UNDERSTANDING

Ans 9:

Daksha Neill from Somerville school, Delhi
Class : Class 7
please explain

Ans 10:

Aarit Rastogi from DPS , Gandhinagar
Class : Class 3

Ans 11:

Roshan Choudhary from Aps tezpur , Tezpur
Class : Class 3
Question is incomplete Please improve it

Ans 12:

Hamsini from yagappa, Thanjavur
Class : Class 5
it's very difficult. explain this

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Daksh from RKC, Rajkot
Subject :NSO    Class : Class 3

Ans 1:

Kavin Karthick M from DPS bangalore east, Bengaluru
Class : Class 6
frog has 4 stages of life cycle and hence answer should be A

Ans 2:

Ishaan Mahamuni from Stepping stone school, Pune
Class : Class 3
Frog 3stages o f Life cycle ,

Ans 3:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
Answer is A

Ans 4:

Vasudev from Billabong High International Bhopal, Bhopal
Class : Class 3
Correct answer should be A, frog has 4 stage life cycle

Ans 5:

PREYA MANJU GARG from lotus valley international school, NOIDA
Class : Class 7
The answer should be A as frog has four stages namely egg, tadpole,froglet and adult frog.

Ans 6:

palak kumari from little flower school, odisha
Class : Class 5

Ans 7:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 8
correct answer should be A as frog has 4 stages in it's life cycle. The stages are egg, tadpole, froglet and adult frog.

Ans 8:

Divit Rustogi from Apeejay School, Noida
Class : Class 3

Ans 9:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
send solution please

Ans 10:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
The answer should be option A.

Ans 11:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
correct answer is A frog has 4 stagesno solution also

Ans 12:

Kola Vashisht from Gitanjali Devshala, Hyderabad
Class : Class 3
Correct Answer is A Frog has Four stages of life cycle

Ans 13:

Saviona Swain from Podar Education Complex, Mumbai
Class : Class 5

Ans 14:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
Correct answer should be A

Ans 15:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
the answer is incorrect a is the answer

Ans 16:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
a pigeon has two stages of life

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Correct answer is A as frog has four stages in his life cycle Their answer is wrong

Ans 18:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 8

Ans 19:

PREYA MANJU GARG from lotus valley international school, NOIDA
Class : Class 7
Correct answer is A

Ans 20:

Dhriti Agrawal from Apeejay School Nerul, Navi Mumbai
Class : Class 3
Correct answer should be A and not D. Kindly correct

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