National Science Olympiad Forum By SOF Olympiad Trainer - Page 465
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Anshuman D from MVM, Hyderabad
Subject :NSO    Class : Class 7

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AKAGRA PAL from TECHNO INDIA GROUP PUBLIC SCHOOL CHANDANNAGAR, CHANDANNAGAR
Subject :NSO    Class : Class 5

Ans 1:

Atul Sanjeev from Indian School Al Ghubra, Muscat
Class : Class 9
a

Ans 2:

Advay from vibgyor high, pune
Class : Class 6
According to prep guide it is A

Ans 3:

nandini badola from christ school, dehradoon
Class : Class 6
correct ans is a.

Ans 4:

Mriganka Dutta from Adamas International school, Kolkata
Class : Class 5
Correct answer would be B. A safety pin inside an iron container cannot be taken out by a magnet because the power of the magnet would be disturbed by the container,thus not reaching the safety pinto attract it. All the previous answers are given by IDIOTS.

Ans 5:

Divit Srivastava from NPS , Bangalore
Class : Class 4
A is the answer its obvious

Ans 6:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
Ans should be A

Ans 7:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
Ans is B

Ans 8:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5
correct answer is B

Ans 9:

Siddhanth Subramanian from Global Indian International School , Singapore
Class : Class 7
a

Ans 10:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
correct ans is A

Ans 11:

Ayushman narayan from Dps ecity, Bangalore
Class : Class 5
Ans is A. I checked it myself by petting a safety pin in an iron container.I was able to remove the safety pin.

Ans 12:

Sohan R Jolapuri from Amanora School, Pune
Class : Class 5
Answer: A Explanation: Placing a magnet on the outer surface of three of the containers, the safety pin would be attracted to the magnet. In such a way, the safety pin could be removed out of the container.

Ans 13:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
Ans should be A

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AKAGRA PAL from TECHNO INDIA GROUP PUBLIC SCHOOL CHANDANNAGAR, CHANDANNAGAR
Subject :NSO    Class : Class 5

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

Ans 1:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
its B

Ans 2:

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

Ans 3:

virat varshney from Pawna International School , HATHRAS
Class : Class 6

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 8:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 5
Option b

Ans 9:

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

Ans 10:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is option B.

Ans 11:

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

Ans 12:

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

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PARUL GHARSE from Vibgyor, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6

Ans 2:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
please explain

Ans 3:

gautam from GIIS KL, Kuala Lumpur
Class : Class 5
electric charge is how electrostatic force is formed and the same is here. so answer is DDDDDDDDDDDDD.

Ans 4:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
it is actually due to electrostratic force.

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KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Subject :NSO    Class : Class 7

Ans 1:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7
x cant occur in closed figure due to unexposed anther, stigma and thus it shall be option C i think

Ans 2:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7

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KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Subject :NSO    Class : Class 7

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SAIRAM from TRIVENI TALENT SCHOOL, HYDERBAD
Subject :NSO    Class : Class 8

Ans 1:

arnav from the gurukul, Panchkula
Class : Class 5
hyiuhiuhiuhiuohinjkhnjklnh

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Dibyanshu Lahiri from Mont Fort Sr Sec School, Roorkee
Subject :NSO    Class : Class 8

Ans 1:

Aryan Keswani from Delhi Public School, Mathura Road, New Delhi
Class : Class 10
Answer is A Because the question is "ABOVE THE AUDIBLE RANGE, not within"

Ans 2:

Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
1000

Ans 3:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
kHz = 1000Hz

Ans 4:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
correct answer should be c

Ans 5:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Class : Class 9
how many kHz = Hz

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Vatsala from DPS, Durg
Subject :NSO    Class : Class 5

Ans 1:

Divyanshi from United international School, Bangalore
Class : Class 6
none of the options are correct.

Ans 2:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
D is the correct answer

Ans 3:

SWAPNIL PAHARI from FUTURE CAMPUS SCHOOL, KOLKATA
Class : Class 8
the correct answer will be both option b and d

Ans 4:

Riya Gupta from Birla Divya Jyoti, Siliguri
Class : Class 8
correct answer should be D

Ans 5:

Shaanvi from ,
Class : Class 5
Correct answer is D not B!

Ans 6:

Ananya Joshi from HFS Powai, Mumbai
Class : Class 5

Ans 7:

nandini badola from christ school, dehradoon
Class : Class 6
correct answer is D

Ans 8:

Devrajan from Amity International School, Noida
Class : Class 8
Option D is the correct answer

Ans 9:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9
Pls explain

Ans 10:

Ritabrata Das from OPJS, Angul
Class : Class 7

Ans 11:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
none of the options are correct

Ans 12:

VAIBHAV RAI from Cambridge Court High School, JAIPUR
Class : Class 8
no option is correct

Ans 13:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 8
None of the options are correct

Ans 14:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
no option is corect,it is d with the diseases interchanged

Ans 15:

sujata patel from Podar International, Pune
Class : Class 6
I DISCUSSED A LOT .SEARCHED ON GOOGLE. MALARIA IS A NON COMMUNICABLE DISEASE.PLEASE explain IT

Ans 16:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7

Ans 17:

Samyuktha from Sri Chaitanya, Chennai
Class : Class 7
D is the correct answer

Ans 18:

AK from Shri Ram Aravali, Gurgaon
Class : Class 6

Ans 19:

AK from Shri Ram Aravali, Gurgaon
Class : Class 6
D is correct

Ans 20:

Bhavikaa kedia from Anand Niketan Satellite, Ahmedabad
Class : Class 5
I tried reporting an error but it did not work. Please try as well

Ans 21:

munish jindal from APJ school, Jalandhar
Class : Class 8

Ans 22:

SIDH DALMIA from GEMS MODERN ACADEMY, Dubai
Class : Class 6
NONE OF THE OPTIONS ARE CORRECT

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