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naman.namanjhavar@gmail.com from ST.PAUL'S SCHOOL, Gwalior
Subject :NSO    Class : Class 9

Ans 1:

Divyanshu Gupta from Cambridge court high school, Jaipur
Class : Class 9
advance research projects agency network

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Aditya Prasad from Notre Dame , Gumla
Subject :NSO    Class : Class 8

Ans 1:

Sheetal from Dr. Pillai Global Academy, panvel
Class : Class 8
8,7,11,12,14,17,17,22,__ answer - 20 there are two series ( 8,11,14,17,20 ) and ( 7,12,17,22 ) increasing by 3 and 5 respectively. recheck your question.

Ans 2:

affaan from AL-FALAH INTERNATIONAL SCHOOL DPS JEDDAH, jeddah,saudi arabia
Class : Class 8
20...

Ans 3:

ashhad from sri chaitanya techno school, Bengaluru
Class : Class 8
29

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smru from ssga, Chennai
Subject :NSO    Class : Class 8

Ans 1:

Sumit from Dhanbad public school Hirak Branch, Dhanbad
Class : Class 9
Of Course

Ans 2:

Ronit Deshmukhya from U.P. Public School, Suri
Class : Class 8
obviously

Ans 3:

Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Class : Class 9
Yes, it is. Being not even a part of your studies they make you see what have you got in yourself about that subject.

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prakhar prakash from DAV, Kota
Subject :NSO    Class : Class 9

Ans 1:

Frank Yuriel from St.Xavier's High School , Ahmedabad
Class : Class 9
Karyotyping

Ans 2:

Anish Chawla from Cambridge Co-ed School, Jalandhar
Class : Class 3
Karyology

Ans 3:

naman.namanjhavar@gmail.com from ST.PAUL'S SCHOOL, Gwalior
Class : Class 10
chromatology

Ans 4:

ashutosh from DAV Public School, Cuttack
Class : Class 10
genetics

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prakhar prakash from DAV, Kota
Subject :NSO    Class : Class 9

Ans 1:

Frank Yuriel from St.Xavier's High School , Ahmedabad
Class : Class 9
It refers to modernisation in field of meat & polutry revolution

Ans 2:

Divyanshu Gupta from Cambridge court high school, Jaipur
Class : Class 9
there is no such revoution

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Avi from Delhi Public School Vadodara, Vadodara
Subject :NSO    Class : Class 8

Ans 1:

Ankur from Hansraj public School, Panchkula
Class : Class 10
Whenn substance burns slowly and releases carbonmonoxide.

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dron pande from Study Hall , Lucknow
Subject :NSO    Class : Class 6

Ans 1:

Pratik Mohan Parida from st.xavier's high school, Dhenkanal
Class : Class 6
i know

Ans 2:

Pratik Mohan Parida from st.xavier's high school, Dhenkanal
Class : Class 6
very nice questions!

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S.V.Koundinya from Sri Chaitanya School, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Aditi bansal from Carmel convent senior secondary school, Amlai
Class : Class 9
Distance = pi*R and Displacement = 2R

Ans 2:

abhinav from fitjee world school, Hyderabad
Class : Class 8
distance=pi*R distplament=0

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pankaje2e@gmail.com from Race concept school, Raichur
Subject :NSO    Class : Class 5

Ans 1:

Manish Narwat from Modern School, Faridabad
Class : Class 8
Plants use sunlight, chlorophyll, carbondioxide and water to produce oxygen.When plants put them together a chemical reaction causes and oxygen is produced.

Ans 2:

ratankrmandal@yahoo.com from Vivekananda Mission School, Haldia
Class : Class 7
Carbon Dioxide +Water (using sunlight and chlorophyll present in leaves)= starch+water vapour+ Oxygen =

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Swetanshu Sekhar Pati from Amity International School, Noida
Subject :NSO    Class : Class 7

Ans 1:

harshit from pinewood school, saharanpur
Class : Class 7
light is light

Ans 2:

Manas Malla from Visakha Valley School, Visakhapatnam
Class : Class 8
Light is a form of energy which helps us to see

Ans 3:

Sanchay from BIS Dwarka, Dwarka
Class : Class 8
Light is a form of energy which makes the things visible from which it is emitted or reflected or refracted. It travels at a speed of about 3*10^8 m/sec.

Ans 4:

Ananya from Delhi Public School, Meerut
Class : Class 7
The natural phenomenon which makes things visible

Ans 5:

dev mishra from Bal Bhavan Public School, New Delhi
Class : Class 9
Light is a form of energy.

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