National Science Olympiad Forum By SOF Olympiad Trainer - Page 847
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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

Khushi from Pathseekers, Beas
Class : Class 3
this is incorrect

Ans 2:

Kshitij verma from DPS KAMPTEE NAGPUR, Nagpur
Class : Class 8
yeah it is incorrect

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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

Rudranil GhoshRoy from ,
Class : Class 8
THE ANSWER'"S C)5 THE FORMULA TO BE USED IS (360/x - 1);x BEING THE ANGLE BETWEEN THE MIRRORS

Ans 2:

Chandreyee from BGKV, Kolkata
Class : Class 10
No. of images formed = 360/angle between two mirrors [if the quotient is even then it would be (360/angle between two mirrors) -1 ] so, in this case, angle = 60 degrees so no. of images= 360/60=6 and as 6 is even the answer is 6-1=5 CORRECT ANSWER: (C)5

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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

Mohak Khetan from Podar International School Powai , Mumbai
Class : Class 8
in C the comets are smaller when they are away from the sun

Ans 2:

prabhkhelSingh from Hra international school, Gurdaspur
Class : Class 6
correct answer is C 1)Tail of the comet always faces away from the sun. 2)As the comet moves away from the sun,the solar heating diminishes.As a result,coma and nucleus of the comet disappear.When it is at the position farthest from the sun,nucleus warms and begins to sublimate and its size becomes smaller than its previous size.

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Bhagya from Cchs, Jaipur
Subject :NSO    Class : Class 6

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Bhagya from Cchs, Jaipur
Subject :NSO    Class : Class 6

Ans 1:

Rishabh Das from sai international school, Bhubaneswar
Class : Class 7
option c is the answer

Ans 2:

Rishabh Das from sai international school, Bhubaneswar
Class : Class 7
option c is the answer

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Bhagya from Cchs, Jaipur
Subject :NSO    Class : Class 6

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shubhanshu from kendriya vidyalaya,bailey road,patna, patna
Subject :NSO    Class : Class 6

Ans 1:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is D) because it is non periodic change .

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Champ from Reliance Foundation School, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Sharad Jain from Presidium, Ghaziabad
Class : Class 5
Species B is able to eat all others which means it is a decomposer. Decomposers can decompose plants as well as animals

Ans 2:

Varad Bharote from Indira National School, Pune
Class : Class 5

Ans 3:

Ayansh Garg from DPS Faridabad Sector 19, Faridabad
Class : Class 4
B is bit confusing between lion and decomposer

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Sushil Kumar from dpsnoida, Noida
Subject :NSO    Class : Class 1

Ans 1:

Krina Patel from St.Kabir Indian International School , Vadodara
Class : Class 1
Carrot

Ans 2:

anu from The Amaatra Academy, Bengaluru
Class : Class 5
B,because carrot is healthy

Ans 3:

Inakshi Dev from Hemsheela, Kolkatta, Kolkatta
Class : Class 4
(b) which is a carrot is a healthy food while the other options have junk foods.

Ans 4:

Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore
Class : Class 8
b is the answer

Ans 5:

Pranab Kumar Ghosh from sarla birla gyan jyoti, Guwahati
Class : Class 4
carrotnnm

Ans 6:

Smruti shrikant Kalyankar from Jai Hind school , Udgir
Class : Class 7
Carrot

Ans 7:

Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore
Class : Class 8
b c d is sleeping line a is stand line a

Ans 8:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
carrot is good for our health

Ans 9:

Ashwathy Suresh from Podar Intrernational School, Bangalore
Class : Class 5
B

Ans 10:

from ,
Class :
the odd one is the carrot as it is a healthy eatable

Ans 11:

ABCDE from admin, Noida
Class : Class 5
(b) is the right answer because all the other options are junk food but carrot is not.

Ans 12:

Mugavadi Ranga Reddy from Narayana olympiad, Bangalore
Class : Class 7
Carrot is good for our health

Ans 13:

Kanchan Aher Navale from Tree House High school, Kalyan, Mumbai
Class : Class 1
B. Carrot

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Nivedita Srikant from St. John's Universal School, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Madhu Pujar from ,
Class : Class 3
B

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