National Science Olympiad Forum By SOF Olympiad Trainer - Page 550
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Vishal B from National Public School, Chennai
Subject :NSO    Class : Class 6

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Hprakash09 from Billabong high Bhopal, Bhopal
Subject :NSO    Class : Class 6

Ans 1:

Sucheta from Podar, Pune
Class : Class 8

Ans 2:

rethish from Veltech, Avadi
Class : Class 3
Cobalt, Nickel, and Steel are magnetic materials. But Stainless Steel is non-magnetic. There are several different types of stainless steel. The two main types are austenitic and ferritic. Ferritic stainless steels are generally magnetic, while austenitic stainless steels usually are not. Austenitic stainless steel is stainless steel added with nickel. so, the correct answer is Option D.

Ans 3:

Nivedhini from Vivekanada Vidyalaya Chitlapakkam, Chennai
Class : Class 9
the answer is D

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Ishanvi B Nair from DPS Noida, Noida
Subject :NSO    Class : Class 1

Ans 1:

Arin Puri from Delhi Public School Noida, Nodia
Class : Class 2
answer should be B . Plant cannot die in absence of 1 food

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Bhavit Bansal from Vardhman International School, Jaipur
Subject :NSO    Class : Class 5

Ans 1:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9

Ans 2:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
Metal P expands less then Q and metal Q expands less than R. So, metal P expands less than R. If a bimetallic strip is heated it bends with metal which expands more on the outside and the metal which expands less in the inside. So the strip should bend downwards to complete the circuit for the bell to ring.Answer- A.

Ans 3:

Tasneem from FAIPS, kuwait
Class : Class 6
a

Ans 4:

Tasneem from FAIPS, kuwait
Class : Class 6
a

Ans 5:

Inamul from Springs, Nilambur
Class : Class 9

Ans 6:

tanmay chaudhry from BAL BHAVAN PUBLIC SCHOOL, New Delhi
Class : Class 4
aswer a jojojojojojojojojojojooojojjjjjojjojjjojoojjjooooojjjjjjjoooojjojojojojojojoo

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Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

MInnal Senthil from Prakriya, Bangalore
Class : Class 5
yes.citrus fruit is vitamin c

Ans 2:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Q is vitamin C ,not B.

Ans 3:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
The correct answer is C

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Brinda Chakraverty from DPS Noida, Noida
Subject :NSO    Class : Class 5

Ans 1:

Navyaa Kalra from DPS Noida, NOIDA
Class : Class 5
ANS IS C!!!!!!!!!!!!!!!!!!!!!

Ans 2:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
Answer is C

Ans 3:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
C) Seeds which are dispersed by wind are usually carried to far off places due to their small size and light weight, e.g. , seeds of cotton and dandelion. similarly, seeds dispersed by water are also light and can easily float and carried to far off places by water, e.g. , seeds of coconut. dispersed by animals seeds of guava can be carried by human beings and animals to nearer as well as long distance from the parent plant. Explosive action of some seeds peas and balsam scatter away from the parent plant but it usually cannot enable the seeds to be dispersed far off places.

Ans 4:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
C) Seeds which are dispersed by wind are usually carried to far off places due to their small size and light weight, e.g. , seeds of cotton and dandelion. similarly, seeds dispersed by water are also light and can easily float and carried to far off places by water, e.g. , seeds of coconut. dispersed by animals seeds of guava can be carried by human beings and animals to nearer as well as long distance from the parent plant. Explosive action of some seeds peas and balsam scatter away from the parent plant but it usually cannot enable the seeds to be dispersed far off places.

Ans 5:

RISHABH from BHARATIYTA VIDYA BHAVAN, KOLKATA
Class : Class 10
thanks

Ans 6:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 7:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
C

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Manvi Mundepi from Montfort School Roorkee, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

Nivedhini from Vivekanada Vidyalaya Chitlapakkam, Chennai
Class : Class 9
Hi!! I am nivedhini you are answered my question please see that again

Ans 2:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
what do you want to say Nivedhini i'm not able to understand you,there are much gramatical mistakes

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Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :NSO    Class : Class 6

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Divyansh Pradhan from Modern Vidya Niketan, Faridabad
Subject :NSO    Class : Class 2

Ans 1:

Jancy from Podar, Bangalore
Class : Class 5
Dinner

Ans 2:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 6

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Shomili from Global Indian International School, Singapore
Subject :NSO    Class : Class 8

Ans 1:

SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Class : Class 8
why isnt it a?

Ans 2:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
It's supposed to be A, right?

Ans 3:

Aditi Saha from Bishops KalyaniNagar, Pune
Class : Class 4
it is a bing says so

Ans 4:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6
Why?

Ans 5:

Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
It should be A

Ans 6:

meghna from Asan Memorial Senior secondary school, Chennai
Class : Class 4

Ans 7:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
shoulda be option A average of 10 and 20 is 15, NOT 13.3

Ans 8:

Gaurik dutt sharma from Jankidevi Public school, Dausa
Class : Class 4
I thought it was a

Ans 9:

Vihaan Khurana from SPS Saket Nagar Bhopal, Bhopal
Class : Class 8
it is a

Ans 10:

Newaan Bhardwaj from ahlcon international school, Delhi
Class : Class 7
it is a

Ans 11:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8
total distance / total time = average speed

Ans 12:

The Address from Somaiya, Mumbai
Class : Class 6

Ans 13:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
the answer on brainly is correct. cannot paste here- but a hint- better to use formula then logic sometimes

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