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Bidyashree Panda from Royal Concord International School Begur, Bangalore
Subject :NSO    Class : Class 4

Post Your Answer

Rudra from VSPK international school sec -13 Rohini Delhi, Delhi
Subject :NSO    Class : Class 8

Refer to the given flow chart. Identify hormones X and Y and select the correct option regarding them.


A Glands secreting hormone Y are located on the posterior surface of glands secreting hormone X.
B Myxoedema is caused by hyposecretion of a hormone secreted by gland that also secretes hormone Y.
C Both hormones X and Y are secreted by same endocrine gland but are antagonistic to each other in functioning.
D Hyposecretion of hormone Y leads to osteoporosis as more calcium is drawn from bones to raise blood calcium level.

Ans 1:

Karthik Rao Varam from Bala Vidya Mandir, Chennai
Class : Class 10

Ans 2:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 8
if there is no answer,then why was it considered wrong?it is not fair.

Ans 3:

Avanish Pandey from St Francis school , Bilaspur
Class : Class 9
The correct answer will be(a)

Ans 4:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 8

Ans 5:

Karthik Rao Varam from Bala Vidya Mandir, Chennai
Class : Class 10

Ans 6:

Suvan Shee from Chirec public school, Hyderabad
Class : Class 9
"NA"?.please explain the answer

Ans 7:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
NA meant no answer is correct and we had to leave this one empty

Ans 8:

ARNAV BARANWAL from KPS SCHOOL, bhilai
Class : Class 8
NA means no answer but what we had to do with it

Ans 9:

Mani Gupta from Carmel Convent School, Faridabad
Class : Class 9
Please explain the answer

Ans 10:

HELEN ELDHO from MAR ATHANASIUS, KOOVAPPADY
Class : Class 9
why no reply...

Ans 11:

Akshara from NPS, Bengaluru
Class : Class 8
Yes , NA means 'no answer' So , since there is no such option , anything we pick would be incorrect.

Ans 12:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Class : Class 9
None of the given options are correct...

Ans 13:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 8
NA means 'No Answer'.But the guidelines clearly state 'Mark all questions.'How is this fair?

Ans 14:

Jayadeep Shanmugam from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Please give the answer to this Question.

Ans 15:

Tay Wen Xuan from Inspiros International School, SHAH ALAM
Class : Class 9
Please explain what NA is... I don't understand

Ans 16:

Aniket Kumar from Gyan Niketan, Patna
Class : Class 8

Ans 17:

SUHANI PANDA from DE PAUL SCHOOL, BERHAMPUR
Class : Class 8
What do you mean by 'NA'?

Ans 18:

Avanish Pandey from St Francis school , Bilaspur
Class : Class 9

Ans 19:

Ruchi Sinha from DPS Gurgaon , Gurgaon
Class : Class 8

Ans 20:

Nipun Abhilash from National Public School, Banashankhari, Bangalore
Class : Class 9

Ans 21:

Saanvi from Dehli Public School , Gurugram
Class : Class 4

Ans 22:

Naveen Kumar from Gail DAV Public School, Dibiyapur
Class : Class 8
PLEASE GIVE THE ANSWER ALONG WITH EXPLANTION

Ans 23:

Akshara from NPS, Bengaluru
Class : Class 8
Exactly.What does NA mean ??

Ans 24:

Ruchi Sinha from DPS Gurgaon , Gurgaon
Class : Class 8
NA? what is the explanation of the answer

Ans 25:

Anshuman D from MVM, Hyderabad
Class : Class 9
I understood that when I looked at the question itselfThe arrows are wrongly labelled

Ans 26:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 8
what does NA mean?

Post Your Answer

Ashwak from Cambridge International School, Saudi Al Dera
Subject :NSO    Class : Class 3

Post Your Answer

Abhay Agarwal from St Francis School, Ghaziabad
Subject :NSO    Class : Class 8

Ans 1:

Bhramana Roy from Glendale Academy International, Hyderabad
Class : Class 8
Time taken to utter single syllable=1/5th of a sSpeed of sound in air=330m s^-1 or 330m/sso distance to reflecting surface=1/5 * 330 as that will give the distance=66.0mSo, distance to reflecting surface is 66.0m

Ans 2:

Abhay Agarwal from St Francis School, Ghaziabad
Class : Class 9
please explain this question

Ans 3:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
Can someone please explain this question?

Ans 4:

Abhay Agarwal from St Francis School, Ghaziabad
Class : Class 9

Ans 5:

vatsal jay gandhi from new era senior secondary school, Vadodara
Class : Class 8
please explain this question.

Ans 6:

Akhil Budithi from Kennedy high the global school , Hyderabad
Class : Class 8
please explain this question.

Ans 7:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 8
answer??????????????????????????????????????????????????????

Post Your Answer

SAYAN MONDAL from BURDWAN CMS HIGH SCHOOL, BURDWAN
Subject :NSO    Class : Class 4

Ans 1:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 4
☹️

Ans 2:

Shreshta from Presidium, Ghaziabad
Class : Class 5
The answer which is given in the SOF application is wrong, because a frog has four life stages in his life stages, the correct answer must be moth because it has only three life stages in his life cycle and the parent and child do not look same,

Ans 3:

Nishchita from Gems Modern Academy , Dubai
Class : Class 5
The correct answer is C

Ans 4:

Rishita Sivakumar from Jss Private School Dubai, Karama Dubai
Class : Class 4
the answer is d

Ans 5:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
the answer is d as the mosquito does not look like the parent , has 3 stages of life and lays eggs while frog does not look like the adult , has 4 stages of life and lays eggs .

Ans 6:

Rishita Sivakumar from Jss Private School Dubai, Karama Dubai
Class : Class 4

Ans 7:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5

Ans 8:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
THE ANSWER IS D AS FROG HAS 4 STAGES IN IT'S LIFE CYCLE ,BUT DOES NOT LOOK LIKE IT'S PARENT.WHILE,MOSQUITO HAS THREE SYTAGES IN IT'S LIFE CYCLE AND DOES NOT LOOK LIKE IT'S PARENT.I MADE THE SAME MISTAKE IN THE PREVIOUS TEST

Ans 9:

Akshat Pathak from DPS, Noida
Class : Class 4
correct answer is D

Ans 10:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Post Your Answer

Chiranjib kar from MOUNT LITERA ZEE SCHOOL, JAJPUR
Subject :NSO    Class : Class 5

Ans 1:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
ans is B

Ans 2:

S A ANIRUDH from S B O A SCHOOL AND JUNIOR COLLEGE, CHENNAI
Class : Class 5
Answer is C

Ans 3:

Bhavya from ABC, Delhi
Class : Class 6
super easy answer. it is 'A'

Ans 4:

Ajitesh Mishra from Vikas the concept school, Hyderabad
Class : Class 5
ANS A

Post Your Answer

Chiranjib kar from MOUNT LITERA ZEE SCHOOL, JAJPUR
Subject :NSO    Class : Class 5

Ans 1:

Kavin Karthick M from DPS bangalore east, Bengaluru
Class : Class 6
there is no proper question?

Ans 2:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 5
No relevant question

Ans 3:

Jasmine Kaur from Venkateshwar International School , New Delhi
Class : Class 5
There is no question!

Ans 4:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
see the solution the question is how many kharif crops are there. there are 6.

Ans 5:

septic pooper from dps gurgaon, Gurgaon
Class : Class 7

Ans 6:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
What is the question?????????????????????????????????

Ans 7:

Reynah Gupta from Greenwood High, Bengaluru
Class : Class 6
question is incomplete

Ans 8:

Arnav kaul from Chirec, Hyderabad
Class : Class 5

Ans 9:

Pratham Dave from GNS, Bangalore
Class : Class 6
No question?????????????????????????????

Ans 10:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
no question.report error please

Ans 11:

Samyuktha from Sri Chaitanya, Chennai
Class : Class 7
they did not give the question .

Ans 12:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
where is the question ??????????????????

Ans 13:

Siddhanth Subramanian from Global Indian International School , Singapore
Class : Class 7
question????????????????

Ans 14:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6
If they don't give the complete question, we all will get it wrongSOF please look into this matter

Ans 15:

Mishika shah from little angels high school, gwalior
Class : Class 6
The question is there in the solution please check

Ans 16:

marika from VTS, Mumbai
Class : Class 4
There is no question and when I reported that error, it just came as "invalid"

Ans 17:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 8
question is incomplete

Ans 18:

Ayushree Barman from Sri Sri Academy, Kolkata
Class : Class 6
Where is the question? Isn't it very vague?

Ans 19:

Nishka Rawat from Inventure Academy, Bengaluru
Class : Class 4
no question!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 20:

Suvanjot Kaur from Springdale Senior School, Amritsar
Class : Class 5
The question is incomplete

Ans 21:

Shreetej from Pearson public school, Pune
Class : Class 5
where is the question???????????????????????????

Ans 22:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

Ans 23:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6

Ans 24:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
The question is in the solution please check

Ans 25:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6

Ans 26:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
report error

Post Your Answer

Shreenath Rajesh Nair from J H A S V Surat, Surat
Subject :NSO    Class : Class 8

Ans 1:

Rahul Jha from Delhi Public School BN, Bengaluru
Class : Class 8
Key Idea: Phenomenon of reflection is independent of medium. The deviation produced by combination of two plane mirrors is δ=2π−2θ =2π−2×π2 (θ=90o) ⇒ δ=π=180o. Hence, total deviation in incident ray is180o

Ans 2:

NAMAN HARITASH from DPS DLF CITY, GURGAON
Class : Class 9
but due to water refraction will also take place

Ans 3:

Khushi Chaudhuri from Step By step, Noida
Class : Class 8
Why does the deviation happen to be 180 degrees

Ans 4:

vrrsekar from INDIAN SCHOOL SUR OMAN, sur
Class : Class 6
Thank You Mr.Rahul

Ans 5:

S V Harini from Vailankanni public school , Krishnagiri
Class : Class 8
explain please....

Ans 6:

ANUSHKA SHARMA from CAMBRIDGE COURT WORLD SCHOOL, JAIPUR
Class : Class 8
Please explain how the deviation has happened at 180 degrees

Post Your Answer

H R Kanish from Chennai public school, Chennai
Subject :NSO    Class : Class 6

Ans 1:

Advait talnikar from Dhruv Global School, Sangamner
Class : Class 6
Answer can be A

Ans 2:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 3:

Aditya Pradhan from St Josephs Convent Higher Secondary School, Sambalpur
Class : Class 6
D

Ans 4:

Ayush malik from JAI KRAISHANA INTERNATIONAL SCHOOL, Rohtak
Class : Class 6
D

Post Your Answer

H R Kanish from Chennai public school, Chennai
Subject :NSO    Class : Class 6

Ans 1:

Pranjal Chaudhari from St Aloysius Convent High School, Bhusawal
Class : Class 6
pls explain how the answer is B

Ans 2:

Ashi Goyal from Sacred heart convent school,raikot road,barnala, punjab
Class : Class 6

Ans 3:

Shantaneel Sarkar from Delhi Public School, Nagpur
Class : Class 6
According to me D is the correct answer as a wire should be connected from a terminal of a battery to the - terminal of the battery for longer stay of electric circuit, and this rule is satisfied by the circuit shown in option D.

Ans 4:

Ayush malik from JAI KRAISHANA INTERNATIONAL SCHOOL, Rohtak
Class : Class 6
D

Ans 5:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 6:

MAHI ABHIJIT CHAUDHARI from Sentia The Global School, HYDERABAD
Class : Class 6
Answer B is the correct answer as the question specified for the arrangement which will allow the bulb to stay lighted for the longest possible time. Option B is connected as One cell as per the circuit (all connections are in parallel), While Option D is in Series (in case of failure of one cell, the circuit will not work as the current will not pass through the cell)

Ans 7:

PS Gour from Chirec international schoo The best 30 years and beyond, Hyderabad
Class : Class 8
according to me D is correct

Ans 8:

Kanak Bhowal from Julien Day School, Kolkata
Class : Class 8
D is the correct answer.

Ans 9:

Pranav Kartik from DPS sushant lok , Gurgaon
Class : Class 3
D is the correct answer

Ans 10: