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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

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EKLAVYA GONDULE from DPS BHILAI, Bhilai
Subject :NSO    Class : Class 5

Ans 1:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
plz explain

Ans 2:

Aarohi Ajay joshi from Pushpa international school , Pune
Class : Class 6
Yes answer is B only

Ans 3:

Ujjwal Upadhyay from Navy Children school, Vasco
Class : Class 6
Please tell the answer with solutions...

Ans 4:

Advaith from National Public School, HSR Layout , Bengaluru
Class : Class 8
earthworms breathe through skin not lungs

Ans 5:

Navya GUPTA from dps noida, Noida
Class : Class 3
Please confirm answer

Ans 6:

Shivani Shivu Singh from Pawar Public School Chandivili , Mumbai
Class : Class 7
it's D!!!

Ans 7:

Anantjit Chander from Apeejay School, Sector 15, Faridabad
Class : Class 10
Hey! Earthworm and cockroaches breathe to spiracles! The answer can be (D) also, or not? Please explain.

Ans 8:

Rithul Shreyan from Chandrakanthi public school, Coimbatore
Class : Class 7
The answer is B because they are reptiles

Ans 9:

Arnav yadav from Kv Danapur, Patna
Class : Class 5
the answer is d they both breath with skin. pls help to understand this question

Ans 10:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Can anyone tell the answer of this question with explanation?

Ans 11:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 12:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
it can also be option D as both of them breathe through spiracles.

Ans 13:

from GIIS,
Class : Class 4
Earthworms breathe through their moist skin unlike cockroaches

Ans 14:

Kuhu M Bharti from dpsnoida, Noida
Class : Class 5
It can be D as they both breathe through spiracles. Pls help me understand this question.

Ans 15:

Anveeta Behera from Delhi Public School, Bangalore
Class : Class 5
It's answer b) Turtle : Lizard

Ans 16:

Arnav yadav from Kv Danapur, Patna
Class : Class 5

Ans 17:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
Ans is B

Ans 18:

Riddhiman Bose from Don Bosco School, Kolkata
Class : Class 5
How ha

Ans 19:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
IT SHOULD BE BOTH B AND D

Ans 20:

Riddhik Bose from Vibgyor High, Airoli, Mumbai
Class : Class 4

Ans 21:

Sreyan from NPS Koramangala, BANGALORE
Class : Class 6
but it can be D as cockroaches and earthworms breath through spiracles

Ans 22:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 5
B

Ans 23:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is B because turtles and lizards breathe through lungs .

Ans 24:

Amey Goyal from Delhi Public School, PANCHKULA
Class : Class 7
but lizards breathe through lungs

Ans 25:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
How

Ans 26:

Keshav Taneja from Wisdom world school, Kurukshetra
Class : Class 5

Ans 27:

SS from Amity International School Noida, Noida
Class : Class 8
No it is none because all have different breathing organs as a pair

Ans 28:

Akanksha Mohapatro from DPS Bangalore North, Bangalore
Class : Class 5

Ans 29:

KRITIKA SHARMA from Maxfort School, Dwarka, Delhi
Class : Class 6
it's B as both of them breathe through lungs and D option is that earthworm breathe through skin and cockroaches breathe through spiracles

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Sameer from MDVM PARLE, ALWAR
Subject :NSO    Class : Class 8

Ans 1:

Aditya Raj from Mount Litera Zee School, Baijalpur, Hajipur
Class : Class 8
Video cameras and camcorders. ... Modern electronic camcorders use digital video. Instead of recording photographic images, they use a light sensitive microchip called a charge-coupled device (CCD) to convert what the lens sees into digital (numerical) format.

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Sameer from MDVM PARLE, ALWAR
Subject :NSO    Class : Class 8

Ans 1:

Aditya Raj from Mount Litera Zee School, Baijalpur, Hajipur
Class : Class 8
By the help of Photon.

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Pranathi Dindikurthi from Carmel School, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

S SAHITHYAA RAMAN from Padma Seshadri T Nagar, Chennai
Class : Class 7
Answer is c

Ans 2:

satwik patnaik from DPS Rourkela, Rourkela
Class : Class 7
answer is b

Ans 3:

Himmat Singh from r.p.s school, Mohindergarh
Class : Class 7
The correct answer is b

Ans 4:

Mihika Raut from ST JOSEPHS SCHOOL, RIHAND NAGAR
Class : Class 8
the correct answer is B

Ans 5:

RICHIK MOULIK from Oxebow English School, ASHOKNAGAR
Class : Class 6
B is the correct answer

Ans 6:

Aaditya Vichare from St. John's Universal School, Mumbai
Class : Class 10
The answer is actually C because starch consists of carbohydrates and sugars, but sugars is not the exact answer.

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ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Rohit performed an experiment wherein he set up three test tubes as shown in the figure. Select the INCORRECT statement regarding this.


ATest tube P will have most carbon dioxide after three hours.
BTest tube Q will have least oxygen after three hours.
COrganisms in test tube R will survive for a longer time as compared to organisms in test tubes P and Q.
DNo oxygen will remain in test tube P after some time.


??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 1:

Ainesh das from Chrysalis, Bangalore
Class : Class 4

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Ans 3:

PARTH MEHTA from Navrachana school, Vadodara
Class : Class 6

Ans 4:

avighna wuthoo from The bishop school , PUNE
Class : Class 7

Ans 5:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5

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ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
d

Ans 2:

Navya from Doon, Chandigarh
Class : Class 4

Ans 3:

Avyuktha S Kumar from Mt Litera Zee school, Mysuru
Class : Class 4
ans :d

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
why stomata?

Ans 5:

Annlisa Castlia from BPS, HYD
Class : Class 5

Ans 6:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
the correct answer is d

Ans 7:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
Ans is D

Ans 8:

Annlisa Castlia from BPS, HYD
Class : Class 5
The correct answer is option D.

Ans 9:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3

Ans 10: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Sahasra Shanker from KV IIT, Chennai
Subject :NSO    Class : Class 6

Ans 1:

kpks14 from RIMT World School, Chandigarh
Class : Class 7

Ans 2:

arin chaitanya from the shri ram school, New Delhi
Class : Class 8

Ans 3:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9

Ans 4:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
the answer is d because the field lines of a magnet always travle from north to south

Ans 5:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10

Ans 6:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7

Ans 7:

NEHA JOON from dps rohini , New delhi
Class : Class 8

Ans 8:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 9:

Punya Paras Sundrani from Anand Niketan , Ahmedabad
Class : Class 7

Ans 10:

Aadhira from velammal new gen school, Medavakkam, Chennai
Class : Class 6
The correct answer is (D) because the the magnetic field travels from north to south.

Ans 11:

Ananya from GIIS, Bangalore
Class : Class 6
why cant the answer be A?

Ans 12:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 13:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
understood?

Ans 14:

Raghav Aggarwal from CAMBRIDGE SCHOOL INDIRAPURAM, INDIRAPURAM
Class : Class 7

Ans 15:

Amrit Jolly from The Shri Ram School Aravali, Gurgaon
Class : Class 6

Ans 16:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9
sof has given c which is wrong

Ans 17:

Winka Jayaprakash from Sri Vijay Vidyasharam , Hosur
Class : Class 9
the field line travels from north to south

Ans 18:

Rahil from Delhi Public School Faridabad, Faridabad
Class : Class 7

Ans 19:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8

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Akshay Kumar from BVM, Chennai
Subject :NSO    Class : Class 7

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9

Ans 2:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 3:

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Class : Class 8

Ans 4:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 5:

N Sankar Narahari from Madhavakripa English Nursery and Higher Primary School, Manipal
Class : Class 7
here option c holds true because in option a and b we can make an exception with pulmonary artery and vein.

Ans 6:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Yes, the answer is option "C". It is not true that arteries will always carry oxygenated blood and the veins will always carry deoxygenated blood (pulmonary vein and artery).

Ans 7:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
C

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chandra Deb from ,
Subject :NSO    Class : Class 5

Ans 1:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
a and c both are correct answers

Ans 2:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 7

Ans 3:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 8
sea snakes also breathe through skin so option 1 should also be correct.

Ans 4:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 8
you are correct Pragun goel . my answer is also a.

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