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Ahaan Pathak from Treamis World School, Bangalore
Subject :NSO    Class : Class 7

Ans 1:

Aastha Rai from Army Public School Shillong, Shillong
Class : Class 7
C is correct option

Ans 2:

Aastha Rai from Army Public School Shillong, Shillong
Class : Class 7

Ans 3:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8

Ans 4:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 9

Ans 5:

Saanjana from Vibgyor , Mumbai
Class : Class 8

Ans 6:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
a is also correct

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kpks14 from RIMT World School, Chandigarh
Subject :NSO    Class : Class 6

Ram and Shyam have performed the experiment to separate sugar from water, as shown in the figures.

Which of the following statements are incorrect?
I. Method 1 is slower than method 2.
II. Method 2 leads to the decomposition of sugar to carbon.
III. Method 1 is more appropriate than method 2.
IV. Method 2 is slow but pure sugar is obtained without getting decomposed.

A II and III Only
B I, II and III Only
C III and IV Only
D II and IV Only


What is the difference between these two methods? Apply some brain...

Ans 1:

Diva SINHA from Ralli International School , Ghaziabad
Class : Class 6
Pls provide solutions as well

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Saathvik Sriram from euroschool whitefield, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Atri Pradhan from Oxebow English School, Gobardanga
Class : Class 3
R can be silk p can be polyester.

Ans 2:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
C

Ans 3:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
c

Ans 4:

VISHNU DATTHA from Nalanda Vidyaniketan, Vijayawada
Class : Class 7
P.Vishnu Dattha from III- A,BVBARRS ,hyderabad Ans C. As R is silk because it is mainly from animals category later animals are divided into, insectsP is polyster

Ans 5:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
C, as R is silk and P can be polyester

Ans 6:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
c

Ans 7:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3

Ans 8:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
C, as R is silk and P can be polyester

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Indrobrata Sarkar from Techno India Group Public School, Chinsurah
Subject :NSO    Class : Class 6

Read the given paragraph where few words/phrases have been italicised. Vitamin C keeps our reproductive system healthy and is abundantly found in lemon and wheat germ. Vitamin E is present in peanut butter and oranges. Its deficiency leads to scurvy. Minerals like sodium and potassium are required for healthy bones and teeth whereas calcium maintains body's water balance. Select the correct statement regarding this.

A C should be replaced with B12 whereas E should be replaced with A.
B Positions of lemon and peanut butter should be interchanged whereas sodium and potassium should be replaced by calcium and phosphorus respectively.
C Positions of calcium and sodium should be interchanged whereas E should be replaced with D.
D Sodium and potassium are correctly mentioned hence should not be replaced but calcium should be replaced with iron.

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HIMANISH BASU from APS BANGALORE , Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
The ans is C

Ans 2:

Aayush from Amrita vidyalayam, Delhi
Class : Class 4
if a magnet broke's its two ends are changed according to the poles .in the original magnet north is in left and south is in right so all the pieces will have north in left and south in right .poles never change .so, the answer is c

Ans 3:

shambhavi sinha from seth anandram jaipuria school , ghaziabad
Class : Class 5
c

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PB Choudhury from DAV MM public school, Bhadrak
Subject :NSO    Class : Class 7

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
the heat should take less time to travel in the thin bowl so it should be option c

Ans 2:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8

Ans 3:

VISHNU T M from b, Bengaluru
Class : Class 9
the answer is of course d..... as metal is a good conductor of heat.

Ans 4:

Mehul Bansal from Pawar Public School, mumbai
Class : Class 7
it is c

Ans 5:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8

Ans 6:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8
it should be c because the metal box is thin

Ans 7:

Parth Kadam from Pawar Public School , Nanded City, Pune
Class : Class 8
Yes,the answer is C.

Ans 8:

Karan Oberoi from Amanora School, Pune
Class : Class 8
Answer C , SOF own solution mentions answer C but marking is done basis option D. Please correct

Ans 9:

Sainyam Sharma from Thakur Public School, Mumbai
Class : Class 7
C

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PB Choudhury from DAV MM public school, Bhadrak
Subject :NSO    Class : Class 7

Read the following statements and select the correct option.
Statement 1 : Water present in oceans and seas cannot be used directly for human consumption.
Statement 2 : Water in oceans and seas have less amount of dissolved oxygen.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.


Ans 1:

harini from Sri kumarans children home, Bengaluru
Class : Class 8

Ans 2:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4

Ans 3:

Gaurang Upadhyay from dwps, NOIDA
Class : Class 7
njj

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Deepesh Abhijeet Gurjar from Sulochana Natu Bharatiya Vidya Bhavan , Pune
Subject :NSO    Class : Class 6

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Swastik from st marys school, new delhi
Subject :NSO    Class : Class 5

Ans 1:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
fossil fuel were formed over a long period of time because heat and pressure were applied to nitrogen

Ans 2:

Samriddh from ,
Class : Class 5
the correct answer is B

Ans 3:

Aditya Basera from Jayshree Periwal High School, Jaipur
Class : Class 5
b is correct

Ans 4:

Maanvik Srivastava from Cornerstone, Hyderabad
Class : Class 5
THE CORRECT ANSWER SHOULD BE C . IT IS BECAUSE FOSSIL FUELS WERE FORMED FROM THE REMAINS OF DEAD ANIMALS AND PLANTS BURIED UNDER THE GROUND UNDER GREAT PRESSURE AND HEAT .

Ans 5:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5

Ans 6:

Mahi Pimparkar from Vibgyor High, Pune
Class : Class 5

Ans 7:

Amal Amzath Ali from jss international school, dubai
Class : Class 7
no, the correct answer is b

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11140 from pawar public school, Pune
Subject :NSO    Class : Class 6

Ans 1:

Kushal Gupta from Vibgyor High, Bangalore
Class : Class 6

Ans 2:

Krishiv Gupta from Sat Paul Mittal School, Ludhiana
Class : Class 6
Class : 5

Ans 3:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 4:

SJ HARITHA from PSBS, BENGALURU
Class : Class 8

Ans 5:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6

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