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

Ans 1:

Sriyansh from Surabhi , Hosapete
Class : Class 9
The answer is B. The water conducts the heat from the iron ball and thus WATER'S temperature will increase while the temperature of the ball will constantly keep decreasing as it is loosing heat. After sometime both the water and the ball come to equilibrium state i.e they have the same temperature. From then on the temperature will remain constant. AS graph in option B indicates an increase in temperature for a while and then constant temp it is correct

Ans 2:

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

Ans 3:

Sriyansh from Surabhi , Hosapete
Class : Class 9
The answer is B. The water conducts the heat from the iron ball and thus water's temperature will increase while the temperature of the ball will constantly keep decreasing as it is loosing heat. After sometime both the water and the ball come to equilibrium state i.e they have the same temperature. From then on the temperature will remain constant. AS graph in option B indicates an increase in temperature for a while and then constant temp It is correct

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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:

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

Ans 2:

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

Ans 3:

from ,
Class : Class 10
Yes it is definitely D

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

Ans 1:

Nishtha Shukla from Narayana E Techno, Gurgaon
Class : Class 4
A

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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:

Pranathi from GIIS, Kuala Lumpur
Class : Class 7
C

Ans 3:

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

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

Ten male animals each of type X and Y were living together for few months in captivity in a well defined area (full of greenery). Other types of animals were not present in this area. Then an animal Z was introduced in this area. After few days, their numbers were counted as shown here.

  X      Y      Z
  10      2     1
What does this indicate?
A Z is a carnivore.
B Y is a herbivore.
C X is a herbivore.
D All of these


Ans 1:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 4
I think X is carnivore and their(X

Ans 2:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
But then (to continuation of solution) how did number of X animal remain the same?MASTER ANSWER from Revisewise Noida please EXPLAIN.

Ans 3:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 5

Ans 4:

Rishan Sandeep Gadhia from Orchids International, Mumbai
Class : Class 4
if x and y were herbivores and z is a carnivore then why did z eat only y and not x

Ans 5:

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

Ans 6:

Kailash V from PS Senior Secondary School, Chennai
Class : Class 4

Ans 7:

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

Ans 8:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 5
If Z is a carnivore sof then how did X population remains same ?

Ans 9:

amogha from Hindustan international school, chennai
Class : Class 5

Ans 10:

UTSAVI PRIYA from DPS NOIDA , NOIDA
Class : Class 4

Ans 11:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 5

Ans 12:

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

Ans 13:

Nishtha Shukla from Narayana E Techno, Gurgaon
Class : Class 4
A

Ans 14:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 5
is x a giraffe or a elephant

Ans 15:

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

Ans 16:

AADRITA BISWAS from Adamas World School, Kolkata
Class : Class 2
IF X AND Y ARE BOTH HARBIVORES THEN WHY DIDNT Z EAT X? SO I THINK X WILL BE CARNIVORE

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

Ans 1:

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

Ans 2:

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:

Adwait Shiva from Udgam School For Children, Ahemdabad
Class : Class 8
It should be C

Ans 2:

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

Ans 3:

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 4:

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 5:

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

Ans 6:

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

Ans 7:

Amishee Surya from bgsnps, Bengaluru
Class : Class 8
there is no solution

Ans 8:

Amishee Surya from bgsnps, Bengaluru
Class : Class 8
both p and q will bacome brighter beacause the voltage will increase

Ans 9:

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

Ans 10:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 8

Ans 11:

Tanmaya Kumar Rout from ALLEN Career Institute, GOVANDI, Mumbai
Class : Class 7
Wrong answer key

Ans 12:

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

Ans 13:

ADWIKA from DAV, FARIDABAD
Class : Class 7

Ans 14:

crow rank 25 from dumb Indian International School, thomanna
Class : Class 7

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

Ans 1:

Nishtha Shukla from Narayana E Techno, Gurgaon
Class : Class 4
BBBBBBBBBBBBBB

Ans 2:

Kaira from Global Indian International School, Bangalore
Class : Class 9
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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