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Pratibha from Vaels billabong international, Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Ans 2:

Mihika Talukdar from GARDEN HIGH, KOLKATA
Class : Class 4

Ans 3:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
C

Ans 4:

k tagore from montessori school, KURNOOL
Class : Class 3
The correct answer is c

Ans 5:

Manjeet Prajapati from Saint Xavier College BHEL Jhansi , Jhansi
Class : Class 4
In the given food chain, tadpole feeds on water insect and in turn is eaten by small fish. If population of tadpole will decline with time then small fish population will also decrease as former is the food of later. On the other hand, water insect population will be positively affected because in the absence of predator prey population reproduces and flourishes.

Ans 6:

Abhigyan Sinha from Podar International School, Powai, Mumbai, Mumbai
Class : Class 7
correct answer is C

Ans 7:

Rishaan Dixit from DPS Noida, Noida
Class : Class 5
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 8:

Vibhor Mudgal from GBN School, Faridabad
Class : Class 4

Ans 9:

Raashid Sarfraz from IIPS, Riyadh
Class : Class 6

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Aarush , there will be not enough plants to feed so many water insects . So, at a particular time all plants will finish . So , there will be nothing left for the water insects so they will also die !

Ans 11:

Priyanshi from Delhi Public School, Gurugram
Class : Class 4
the correct answer is C

Ans 12:

Aarush Pandya from Inventure Academy, Bangalore
Class : Class 8
The correct answer is C because if organism X wipes out all tadpoles in the community, then water insects' population grows with nothing to eat them. The small fish die because they have nothing to eat, and soon the big fish die too.

Ans 13:

Manan thorat from Podar powai, Mumbai
Class : Class 4
The answer is C

Ans 14:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 4
ans is c

Post Your Answer

Mridul Jain from Shishukunj International School Indore, Indore
Subject :NSO    Class : Class 4

Ans 1:

XXX from SVM, Bangalore
Class : Class 5
please explain how is it c?

Ans 2:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 8
please give explanation Admin.

Ans 3:

Pranav Verma from DPS Pal Road , Jodhpur
Class : Class 4
D is correct

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C.


Ans 5:

Shrinikethan S from Padma Seshadri Bala Bhavan Senior Secondary School, K. K. Nagar,, Chennai
Class : Class 5
how do you all know the correct answer is 'C' when everything seems correct.

Ans 6:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
C

Ans 7:

Abhigyan Sinha from Podar International School, Powai, Mumbai, Mumbai
Class : Class 7
correct answer is C

Ans 8:

somesh from Centre point katol road, Nagpur
Class : Class 6
d

Ans 9:

Aarvi Gosai from The New Tulip International School, London
Class : Class 4
no u DUMMIES! winter should be on the east side of the earth and summer on the west and Goutham this question is sooooo WRONG! and ur wrong Goutham

Ans 10:

ibrahim akhil pathan from kaka's international school, pune
Class : Class 4
explain please

Ans 11:

Goutham from lt, Chennai
Class : Class 4
I. This is so EZ.t can be c as N is on the top and S is down plus when the north recives cold it is hot in the south and when the south is cold it is hot in the north

Ans 12:

Vivaan from Rustomjee Cambridge International School and Junior College, Mumbai
Class : Class 6
C

Ans 13:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is C

Ans 14:

Shashank Reddy from Gyan Ganga International School, Pune
Class : Class 5
C

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Shruti Rajshree from NPS Indiranagar, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
A IS NOT A MIRROR IMAGE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 2:

Jeet Anandani from Pawar public school, Mumbai
Class : Class 4
a

Ans 3:

Samaira from Global Indian International School, Bangalore
Class : Class 8
I don’t understand how can d be the answer

Ans 4:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5
A

Ans 5:

SRISANTH from Edify, Tirupathi
Class : Class 5
A is almost a symmetrical figure

Ans 6:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
answer can be b

Ans 7:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
A is not a mirror image

Ans 8:

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

Ans 9:

Harishchandra C from narayana e techno school, chennai
Class : Class 5
THEY CAN TELL THAT WHICH IS NOT MIRROR IMAGE OR MIRROR IMAGE

Ans 10:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
A is not a mirror image. @SOF Please change the answer.

Ans 11:

Jeevi Ran from THANGAM MOUNT litera zee school at AYOTHIYAPATTINAM , Salem
Class : Class 6
A

Ans 12:

lavanya from bcm chd road, Ludhiana
Class : Class 5

Ans 13:

Jeet Anandani from Pawar public school, Mumbai
Class : Class 4
aa

Ans 14:

Jordan Cole from NCS Arakkonam, Arakkonam
Class : Class 3

Ans 15:

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

Ans 16:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Yes A is not a mirror image SOF change answer

Ans 17:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
A

Ans 18:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
In A the mirror image of B is wrong and in D it is not a mirror image.In fact A and D both are not mirror images .Hence, the confusion between A and D

Ans 19:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
A is not a mirror image. Requesting SOF to correct the same.

Ans 20:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
They were trying to show the mirror image but OptionA is not shown correctly as the mirror image. Hence the confusion. between A and D.

Ans 21:

Ava from trio, bangalore
Class : Class 2
C

Ans 22:

Arnav Thombare from DAV Public School Thane, Thane
Class : Class 4

Ans 23:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9

Ans 24:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9

Ans 25:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
I Don't Understand?

Ans 26:

Yajur Nag from dps vk, delhi
Class : Class 5

Post Your Answer

Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
D D D IT IS D I WILL TELL YOU IT IS DI WILL TELL YOU THAT I AGREEWITH SOMEONE OVER HERE CALLED AYUSHI

Ans 2:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer will be D because big rubber band so more sound as the wide rubber band is striking back on more part of the wooden piece.

Ans 3:

Soumya Bajaj from Rainbow Internatinal School, kopergaon
Class : Class 4
AS THINNER RUBBER WOULD BE PULLED TO A MAXIMUM DISTANCE HENCE MORE SOUND.

Ans 4:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
GIVE SOLUTION

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 6:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
I will also agree with Ayushi

Ans 7:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
I have done some practical observations and found that the fatter rubber band produces louder sound than A,B,C .Correct ans... is D

Ans 8:

Ayushi from DPS Noida, Noida
Class : Class 4
Ans A would be right if it says Sharpest sound !Ans D is correct in this case as it ask loudest sound

Ans 9:

Ambit Biswas from Oriental Public School, Kalyani, Kalyani
Class : Class 5
The answer is D because A, B and C have thin rubber band and in D, the rubber band is Fat.

Ans 10:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
@Soumya Bajaj is right. @Vansh Garg, have you measured the sound's frequency in Decibels? The correct answer is A because the thinner the rubber band, the more it will strech and the more it will strech, the more sound it will produce.(Master Answer)

Ans 11:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7
D is wrong.

Ans 12:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer should be d because the rubber band is wider so it is striking back on the wooden piece on more area.

Post Your Answer

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7

Ans 2:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
I think that the picture is not clear with what is asked. I don't understand what is hanging from the hand. And everything responds to gravity .

Post Your Answer

SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Subject :NSO    Class : Class 4

Ans 1:

shreyash rawat from podar international school, pune
Class : Class 8
B

Ans 2:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
b is correct

Ans 3:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
its option B

Ans 4:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 8
bis the right answer you mad sof

Ans 5:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
The answer is B

Post Your Answer

Rudraksh Tiwari from Kumaon Public School Dwarahat, Almora
Subject :NSO    Class : Class 4

Ans 1:

DHANVI from CAMBRIDGE SCHOOL MANGALORE, MANGALORE
Class : Class 4

Ans 2:

Punyatoya from Harvest, Bengaluru
Class : Class 8
2 answers are there🤔🤔

Ans 3:

Punyatoya from Harvest, Bengaluru
Class : Class 8
The solution is saying it h

Ans 4:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4

Ans 5:

Ayaansh Singhal from Pinewood School, Saharanpur
Class : Class 8
dear sir please give the explanation of the ans to master ans admin revisewise

Ans 6:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
HOW IS b CORRECT ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 7:

Ananya Kaushik from DPS Noida, Noida
Class : Class 4

Ans 8:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 6
B

Ans 9:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
Material B allows 500 percent light through it while material C allows 150 percent light so material B allows more light to pass through it than material C.That’s why answer D is correct.😊

Ans 10:

Madhura Mageshwaran from zurich school, zurich
Class : Class 6
The correct anwer is B.

Ans 11:

RC from Vibgyor, Navi Mumbai
Class : Class 6

Ans 12:

Punyatoya from Harvest, Bengaluru
Class : Class 8
The solution is saying

Ans 13:

Arjun from dpsnoida, Noida
Class : Class 4
B IS THE CORRET ANSWER YOU BLIND PERSON

Ans 14: (Master Answer)

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

Ans 15:

Adhrit from vibgyor high, Mumbai
Class : Class 4

Post Your Answer

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
B

Post Your Answer

Kavitharini Joseph from HUS, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Thanks Aamena

Ans 2:

Aamena Shahid Ansari from St. Xavier's high school, Vapi, Gujarat
Class : Class 4
The answer is option “c”. see it was boiling water, she poured first into container “a” so it will be having the highest temperature than she poured to container b than to c and finally to container d so during this experiment the boiling water goes to lowest temperature and the last container was container d . So container a will be having the highest temperature and container d will be having the lowest temperature.

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RAYED.S.AHMED from Delhi Public School, Noida
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Ans 2:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Very easy

Ans 3:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
QWRTYUIOP[]

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