National Science Olympiad Forum By SOF Olympiad Trainer - Page 574
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Dibyanshu Lahiri from Mont Fort Sr Sec School, Roorkee
Subject :NSO    Class : Class 8

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Garv Makkar from Modern Delhi Public School, Faridabad
Subject :NSO    Class : Class 9

Ans 1:

Raghav Tyagi from birla vidya niketan, new delhi
Class : Class 10
yes you're right answer is d

Ans 2:

Yash Bindal from Global Indian International School, Singapore
Class : Class 9
Answer is D

Ans 3:

from ,
Class : Class 10
Yes it is definitely D

Ans 4:

sujal saronit from Delhi Public School , rourkela
Class : Class 9
Answer is Dconfirm !!

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Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Alpesh Mondal from PM SHRI KENDRIYA VIDYALAYA CHITTARANJAN, chittaranjan
Class : Class 7
file:///C:/Users/Amit/Downloads/MicrosoftWindows.Client.CBS_cw5n1h2txyewy!InputApp/ConfusionGIF.gif

Ans 2:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon
Class : Class 8
A

Ans 3:

Aditya Rai from Kv No.1 Icchanath, Surat
Class : Class 8

Ans 4:

Alpesh Mondal from PM SHRI KENDRIYA VIDYALAYA CHITTARANJAN, chittaranjan
Class : Class 7

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adu from CHSV, Chennai
Subject :NSO    Class : Class 6

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Rishabh Venkat from VSA Bangalore, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Yash Arya from Sharda Vidya Mandir, Bhopal
Class : Class 7
option c

Ans 2:

Yash Arya from Sharda Vidya Mandir, Bhopal
Class : Class 7
option c

Ans 3:

Pranathi from GIIS, Kuala Lumpur
Class : Class 7
C

Ans 4:

Tejaojas Abhilash from Naipunya Public School , Kochi, Kochi
Class : Class 9
c, 15 is betwwen 1st and last student. gender of first and last student not known

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Deepak Vijayaragavan from Greenwood High, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
But then (to continuation of solution) how did number of X animal remain the same?MASTER ANSWER from Revisewise Noida please EXPLAIN.

Ans 2:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6

Ans 3:

Utsavi Priya from DPS RUBY PARK, KOLKATA
Class : Class 8

Ans 4:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6
is x a giraffe or a elephant

Ans 5:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon
Class : Class 8
A

Ans 6:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 6
If Z is a carnivore sof then how did X population remains same ?

Ans 7:

Shreeya Samant from Rustomjee Cambridge, Vasai Virar
Class : Class 4
Y is a herbivore

Ans 8:

Kailash V from PS Senior Secondary School, Chennai
Class : Class 6

Ans 9:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
I think X is carnivore and their(X

Ans 10:

Rishan Sandeep Gadhia from Orchids International, Mumbai
Class : Class 8
if x and y were herbivores and z is a carnivore then why did z eat only y and not x

Ans 11:

Shreeya Samant from Rustomjee Cambridge, Vasai Virar
Class : Class 4
Y is a herbivore

Ans 12:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 5
IF X AND Y ARE BOTH HARBIVORES THEN WHY DIDNT Z EAT X? SO I THINK X WILL BE CARNIVORE

Ans 13:

viha from Silver Oaks International School, Sarjapur, Bangalore
Class : Class 4
I think X is the carnivore right?

Ans 14:

Amogha from Hindustan international school, Guindy, Chennai
Class : Class 8

Ans 15:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6

Ans 16:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
bhavya in opinion you are correct

Ans 17:

Sachin Handore from ,
Class : Class 1
The area is full of greenery as mentioned so the herbivore population will increase and as we know carnivores depend on other animals for prey so their population will decrease as they do not eat plants

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Awesomness from DPS East, Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
its c as solar cookers have concave mirror and not plane mirror

Ans 2:

Newaan Bhardwaj from ahlcon international school, Delhi
Class : Class 7
it is c because concave mirror is used in a solar cooker

Ans 3:

Nishchay Gupta from Cambridge Court World School, Jaipur
Class : Class 6
It is C Because concave mirror is used in solar cooker not plane mirror.

Ans 4:

Shubhangam Raj from Don Bosco Academy, Patna
Class : Class 8
D

Ans 5:

RISHABH from BHARATIYTA VIDYA BHAVAN, KOLKATA
Class : Class 10

Ans 6:

kaushika semwal from Ashok Academy, Mumbai
Class : Class 8
I THINK IT'S "D"

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Catherine Janet from Jubilee hills public school, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

Mitesh from Shishya BEML Public School, Bengaluru
Class : Class 7
Why is it so ?It is a closed circuit,right?Then surely as a matter of sense it will be 'C'

Ans 2:

Sanidhya Kapoor from Shikshantar, Gurugram
Class : Class 8
I do not understand this.why is the answer not C?if the circuit is closed then both bulbs should light up.

Ans 3:

ADWIKA from DAV, FARIDABAD
Class : Class 10

Ans 4:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
both p and q will bacome brighter beacause the voltage will increase

Ans 5:

reechik ghosh from dps, farakka
Class : Class 7
P should at least light up

Ans 6:

A from Thakur, Mu
Class : Class 8
even i think its c

Ans 7:

Avaneesh Sai Vemparala from The knowledge habitat, Pune
Class : Class 3

Ans 8:

Rangnath sharma from MOUT LITERA ZEE SCHOOL, PATNA
Class : Class 9

Ans 9:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
The answer is C, there is no factor that even hints at P not glowing.

Ans 10:

Catherine Janet from Jubilee hills public school, Hyderabad
Class : Class 7
Is solution available for this question?

Ans 11:

Catherine Janet from Jubilee hills public school, Hyderabad
Class : Class 7

Ans 12:

Adwait Shiva from Udgam School For Children, Ahemdabad
Class : Class 9
It should be C

Ans 13:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 14:

Sanidhya Kapoor from Shikshantar, Gurugram
Class : Class 8
Can someone pls explain

Ans 15:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
there is no solution

Ans 16:

Tanmaya Kumar Rout from ALLEN Career Institute, GOVANDI, Mumbai
Class : Class 8
Wrong answer key

Ans 17:

Admin fly from Ddssxxx, Ax
Class : Class 1
why is there no solution for this question?

Ans 18:

Sujal Gaglani from Vidya Vikasini School ICSE, Vasai
Class : Class 8
Please explain

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Kishore Kadiyala from NPS, BANGALORE
Subject :NSO    Class : Class 4

Ans 1:

Nishtha Shukla from Sri Chaitanya Techno School, Gurgaon
Class : Class 8
BBBBBBBBBBBBBB

Ans 2:

Samaira from Global Indian International School, Bangalore
Class : Class 8
I think it should be I-e and II-d..... The egg and cocoon stage is not the least active cuz THEY DONT EVEN EAT A BIT..... so yaaa

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

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