National Science Olympiad Forum By SOF Olympiad Trainer - Page 593
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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

True

Anthrax is an infection caused by bacterium Bacillus anthracis. It affects both humans and cattle.


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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Macrophages  is capable of digesting any microorganism (except virses) that enters the cell.


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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Lysosomes are formed from the Golgi bodies and peroxisomes are derived from the Endoplasmic reticulum.


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Utkarsh Rahul Sonawane from St Joseph convent school , Jalgaon
Subject :NSO    Class : Class 7

Ans 1:

Nussrat from Army Goodwill Public School Rajouri, Rajouri
Class : Class 7
Did you mean muscularization? The increase in the function and sizeof our muscles is called muscularization.

Ans 2:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
. muscularization (usually uncountable, plural muscularizations) An increase in the size and function of the muscles.

Ans 3:

Nussrat from Army Goodwill Public School Rajouri, Rajouri
Class : Class 7

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Mridul Jain from Shishukunj International School Indore, Indore
Subject :NSO    Class : Class 5

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Tough question ... Not for class 5 , I'm sure !!!

Ans 2:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9

Ans 3:

komal from A.V.M, Mumbai
Class : Class 1
Very tough for 5 th grade

Ans 4:

Sourav Jena from ODM public school , BHUBANESWAR
Class : Class 4

Ans 5:

DIVYAM RAMESH SHARMA from GUNDECHA EDUCATION ACADEMY, Mumbai
Class : Class 4
this is a tough question

Ans 6:

Anusha Agarwal from Convent of jesus and Mary st Anthony junior college , Agra
Class : Class 8

Ans 7:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 8
Tough Question. I agree.

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
B

Ans 9:

Shauryadeep from DPS megacity, Kolkata
Class : Class 5

Ans 10:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
Correct answer might be B.

Ans 11: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.

In the first figure 25 X 15 - 12 X 14 = 207

In the 2nd figure, 16 X 17 - 10 X 12 = 152

Similarly, in the third figure, 25 X 25 - 21 X 18 = 247

Hence, the missing number is 25


Ans 12:

DIVYAM RAMESH SHARMA from GUNDECHA EDUCATION ACADEMY, Mumbai
Class : Class 4

Ans 13:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9
Can't understand which formula to be applied

Ans 14:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
Yes very tough... didn't understand until I looked at the forum, the didn't even give solution.

Ans 15:

shaurya singh mandla from vibgyor high, Mumbai
Class : Class 9
Toughest Question ever

Ans 16:

Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Class : Class 9

Ans 17:

Aadi from Treamis World School, Bangalore
Class : Class 9
The correct answer is B As 25 into

Ans 18:

Rishabh Rathi from Blue Ridge Public School, Pune
Class : Class 5
The answer is B.Because,(upper left corner X upper right corner) - (lower left corner X lower right corner) = Middle Number.

Ans 19:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6
Thank you adminplz answer for the other questions also

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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Chemical products derived from petroleum are called petrochemicals. Some of the major petrochemicals are acetylene, benzene, ethane, ethylene, methane, propane, and hydrogen, from which many other chemicals are derived.


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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Full form of : LCD - Liquid Crystal Display, and LED - Light Emitting Diode 


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Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A.

Antonie van Leeuwenhoek is commonly known as the 'Father of Microbiology'.

 


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SHOURYA RAWAT from Venkat International Public School, BANGALORE
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A.

The rate of evaporation will be the fastest in container A as the exposed surface area of water is maximum there.


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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

AASHU SINHA from fortuna shine school, purnia
Class : Class 9

Ans 2:

Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Class : Class 8
It signifies crop rotation.

Ans 3:

Jayad Khaitan from St Xaviers Collegiate School, KOLKATA
Class : Class 8

Ans 4:

Anoushka Anbu from Amara Jyoti Public School, Bengaluru
Class : Class 8

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