National Science Olympiad Forum By SOF Olympiad Trainer - Page 841
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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
so the ans is B

Ans 2:

Harshkant Gharote from Delhi Public School kolar road , Bhopal
Class : Class 7
B. It is Venus

Ans 3:

Supreet Birdi from Global Indian International School, Bangalore
Class : Class 9
Venus is incorrect as the shaded part means that it is night. Here the shaded part is facing the sun.

Ans 4:

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

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

Ans 1:

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

Ans 2:

Pratham Jain from SERI INTERNATIONAL, Pune
Class : Class 5
Decrease in surface area =more water than land and increase in wind speed=less humidity and less evaporation so option A is correct

Ans 3:

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

Ans 4:

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

Ans 5:

Anirudh from indira, Pune
Class : Class 5
D

Ans 6:

Neil from SNBP international school, Pune
Class : Class 4

Ans 7:

Satvik Bhand from DPS Bhopal, Bhopal
Class : Class 2

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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:

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 2:

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

Ans 3:

prithika from Indian school sohar, sohar
Class : Class 5

Ans 4:

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

Ans 5:

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

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

Ans 1:

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 2:

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

Ans 3:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6

Ans 4:

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

Ans 5:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

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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:

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

Ans 3:

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

Ans 4:

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

Ans 5:

SUSHANT TYAGI from ,
Class : Class 5
B

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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:

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

Ans 2:

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

Ans 3:

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 4:

Aarit Rastogi from DPS , Gandhinagar
Class : Class 3

Ans 5:

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

Ans 6:

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

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
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 8:

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 9:

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

Ans 10:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
it's very difficult. explain this

Ans 11:

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

Ans 12:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
b

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