National Science Olympiad Forum By SOF Olympiad Trainer - Page 394
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saisavit from sri kumaran ps, bangalore
Subject :NSO    Class : Class 3

Ans 1:

saisavit from sri kumaran ps, bangalore
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

Preeti is having difficulty in breathing, laughing and yawning, it seems she has injured an organ, which is related to inhalation and exhalation of air. That means her Lungs are injured, and that is why she is also feeling pain in her chest.


Ans 3:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 9

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arjun from the bishops school camp , pune
Subject :NSO    Class : Class 7

Ans 1:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 2:

Aksh Swarnkar from National Center for Excellence CVR, Bangalore
Class : Class 8

Ans 3:

Santhosh M from PSBB Millennium OMR, Chennai
Class : Class 9

Ans 4:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded
Class : Class 8

Ans 5:

Riyan Nayak from DPS Newtown, Kolkat
Class : Class 7
Class :

Ans 6:

Vibhav Hatwal from Learning Paths School, Mohali
Class : Class 9

Ans 7:

Tejaojas Abhilash from Naipunya Public School , Kochi, Kochi
Class : Class 9

Ans 8:

Nikita Rangarajan from PSBB, Chennai
Class : Class 7

Ans 9:

Midhuna from ABCD, Banglore
Class : Class 3

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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
they have not given the diagram only

Ans 2:

Avaneesh Barithaya from New Horizon Scholars School Vasant Lawns, Thane
Class : Class 5
WE CANT SEE THE STOMACH

Ans 3:

Rudransh Aneja from Billabong High, Noida
Class : Class 5
Option D is correct

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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

DivyanshuDeeyan from Dav, Bbsr
Class : Class 4

Ans 2:

Kriday from KDAV, Jamnagar
Class : Class 4

Ans 3:

Vedansh from Dpsgfbd, Faridabad
Class : Class 5

Ans 4:

Nidhesh Agarwal from Chinmaya vidyalaya, Bokaro steel city
Class : Class 4
flax is not a fibre

Ans 5:

Advika Bhatta from The Gaudium School, Hyderabad
Class : Class 4
Answer should be 'B' be because hemp is a natural fibre, cotton is a natural fibre, jute is a natural fibre, but flax is the plant from which linen comes

Ans 6:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 5
'C' is the answer as flax, hemp, wool, jute, and cotton all are fibers and can be found in the grid. So SOF is correct. For the doubt that 'Flax' is not a fiber; I can say that 'Flax' is a plant, but it's stem contains fibers to make linen, which you might have heard of.

Ans 7:

Vyom from vardham, Khach
Class : Class 6
What is hamp?

Ans 8:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
What is hemp?

Ans 9:

Parna Bonde from North Point School, Navi Mumbai
Class : Class 4

Ans 10:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
CThe natural fibres hidden in the grid are WOOL,JUTE,COTTON,HEMP and FLAX

Ans 11:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
Please explain what is hemp

Ans 12:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 6
Answer c is correct because we can find cotton hemp jute flax and wool for explanation hemp is a synthetic fibre used to make most T-shirts

Ans 13:

Advika Bhatta from The Gaudium School, Hyderabad
Class : Class 4

Ans 14: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

The natural fibres hidden in the grid are WOOL, JUTE, COTTON, HEMP and FLAX.


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Shourya Bhushan from DPS Gurgaon, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Dhairya from GREEN FIELDS SCHOOL, DELHI
Class : Class 8
A

Ans 2:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6

Ans 3:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5
A is the correct Ans as to both posses a layer of fat.

Ans 4:

Dhairya from GREEN FIELDS SCHOOL, DELHI
Class : Class 8
A

Ans 5:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6
THE CORRECT ANSWER IS A BECAUSE BOTH POSESS A LAYER OF FAT.

Ans 6:

Mathamagician from BGSNPS, Bengaluru
Class : Class 6
No. This is d) I bet a million ppl made the mistake. Penguin sounds reasonable, but deer and polar bear, both use hair for insulation in winter

Ans 7:

Kanav mahajan from Doon international school, Mohali
Class : Class 7
Yes the answer is A

Ans 8:

Divyanshi from United international School, Bangalore
Class : Class 6
No mathomagic A is the correct answer because both penguins and polar bear have bubbler under their skin. Deer do not have a layer of hair to keep them warm like polar bear have.

Ans 9:

Srija Das from Sent Joseph Convent Chandannagar, Serampore
Class : Class 10
A IS THE CORRECT ANSWER.POLAR BEAR AND PENGUIN LIVE IN POLAR REGION AND BOTH OF THEM HAVE A LAYER OF BLUBBER ............................

Ans 10:

Aviraj Arsh from nda, jamalpur
Class : Class 6
correct answer is a

Ans 11:

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

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Radhika Gupta from Dps civil lines aligarh , Aligarh
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


Ans 2:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4

Ans 3:

KANAK PRASAD from Kendriya Vidhyalaya IIT Tirupati, Tirupati
Class : Class 5

Ans 4:

Shantanu M A from Orchids the international school , Bangalore
Class : Class 4

Ans 5:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
A sudden increase in the number of algae is called a algal bloom. Algal blooms are usually caused by sewage water and other such things entering in a water body.

Ans 6:

Suhas Madhusudhan from NPS BANASHANKARI , Bengaluru
Class : Class 4

Ans 7:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
D

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AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Subject :NSO    Class : Class 8

Ans 1:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
C is the answer

Ans 2:

abishek from Chennai Public School, Chennai
Class : Class 8
Minimum pressure means maximum area as pressure is inversely proportional to area so, 1 cm = 1/100 m so the Largest area is 40cm*30cm = 4/10* 3/10 = 12/100 P =F/Area P = Mass*acceleration/area P = 60*10/(12/100) P = 600 * 100/12 P = 60000/12 = 5000 so answer is C

Ans 3:

Sanjeev Kumar from Mount Litera Zee School, Jhansi
Class : Class 8

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Vaibhav Elisetti from sri chaitanya techno school Nallagandla, Hyderabad
Subject :NSO    Class : Class 5

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Aditya Ananda Bharali from Chirec International School,Kondapur , Hyderabad
Subject :NSO    Class : Class 2

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 7

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