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tanmay from amaatra academy, bangalore
Subject :NSO    Class : Class 5

Ans 1:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
why it can't be distillation ?

Ans 2:

YASH SAH from DELHI PUBLIC SCHOOL MIS DOHA, Doha
Class : Class 8

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 5

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 2:

Daivik Goel from Delhi public school , Vadodara
Class : Class 4
In the picture there is a pattern . Between problem figure 1&2,it moves 1 step ahead.Between problem figure 2&3, it moves 2 steps ahead.Between problem figure 3&4,it moves 3 steps ahead.Between problem figure 4&5,it moves 4 steps ahead.So in the next problem figure 5&6,it will move 5 steps ahead .So the right option is-(A). It is so easy!!!!!!!!!!!!!!!!! Put your brains!!!!!

Ans 3:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8
oh yeah

Ans 4:

Zayed Zaman from Global indian international school, Singapore
Class : Class 5
THERE'S A WEIRD PATTERN IN THERE... in figure 1 and two they skip a figure, in figure 3 and 4 they skip two figures and so on so forth.

Ans 5:

Shreyas Singh from Podar International School, Pune
Class : Class 6

Ans 6:

Monika Bhattacharya from the lexicon international school kalyaninagar, pune
Class : Class 5
I agree with you Zayed

Ans 7:

Annavi Bajpayee from DPS Sector 19, Faridabad
Class : Class 7
A Add 45 degrees in subsequent figures. Add 225 deg in the fourth fig to reach at A

Ans 8:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
Who do you think you are?

Ans 9:

Shreyas Singh from Podar International School, Pune
Class : Class 6

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Sagar G V from Tuto Bytes, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

S from , JAJAPUR
Class : Class 4

Ans 2:

k tagore from montessori school, KURNOOL
Class : Class 3

Ans 3:

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

Ans 4: (Master Answer)

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

Ans 5:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
THE CORRECT ANSWER IS C OPTION

Ans 6:

Vibha from Birla Public School, Doha
Class : Class 7
THE CORRECT ANSWER IS C

Ans 7:

k tagore from montessori school, KURNOOL
Class : Class 3

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because lungs send oxygen-rich blood to the heart and this oxygen-rich blood is sended to all body parts and the carbondioxide-rich blood goes back to the heart from the body this carbondioxide-rich blood is sended to the lungs.

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8

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Navneet Mathur from St Mary Convent Senior Secondary , Ujjain
Subject :NSO    Class : Class 7

Read the given passage.
In a flower, produces pollen grains. Pollen grains are deposited on of pistil. carries male gametes to the ovule. Fusion of male and female gametes is called. After fertilisation, develops into fruit and develops into seed. Select the correct option which fills the blanks with atleast three correct answers.

A2-Style, 4-Fertilisation, 5-Ovary
B1-Anther, 3-Pollen tube, 6-Ovule
C2-Stigma, 3-Filament, 5-Ovary
D1-Anther, 2-Stigma, 4-Pollination


will anyone tell me where is the 4th blank? and what is wrong in option a

Ans 1:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
4 th blank will be filled with fertilisation correct ans is b Pollen grains are deposited on stigma and not style

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Arkoprava Dey from Techno India Group Public School, Coochbehar, Coochbehar
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

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ANSHUMAN RAJ from ST.THERESA'S CONVENT SR.SEC.SCHOOL KARNAL, KARNAL,HARYANA
Subject :NSO    Class : Class 3

Read the given statements and select the correct option regarding the subject of discussion.
Sanjay : Railways involve high construction and maintenance cost.
Kunal : A few states of India lack a good railway network.
Amit : The construction of railways is very difficult and costly in flat land whereas it can easily be done in mountainous region.
Rajeev : Areas with less industrial development cannot compensate the cost of construction of railways , hence have less railway network.

A Only Sanjay and Amit are correct.
B Amit and Rajeev gave the reasons of Kunal’s statement.
C Sanjay and Rajeev gave the reasons of Kunal’s statement.
D Amit gave the explanation of Sanjay’s statement.


I like this question 👍

Ans 1:

Anagha from DPS BANGALORE NORTH, Bengaluru
Class : Class 3
It should be D

Ans 2:

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

Ans 3:

MAYANK from Jain Public School, REWARI
Class : Class 9
C

Ans 4:

Vedansh from Akshara International school, Phne
Class : Class 3
c is the correct answer

Ans 5:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 4
c is the ans

Ans 6:

Bushra aslam from uttam, Ghaziabad
Class : Class 8

Ans 7:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 8:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 9:

Ram Prasanna from Basil Woods International, Hyderabad
Class : Class 3
D

Ans 10:

Shruti from ,
Class : Class 1
D HE GAVE EXPLANATION

Ans 11:

Yatindra G from SBOA, Chennai
Class : Class 4
c maybe????

Ans 12:

Aditri Dixit from TCIS, Bangalore
Class : Class 3
NA

Ans 13:

SS from meridian, hyderabad
Class : Class 5
abcd are correct

Ans 14:

ANWESHA THAKUR from DPS SECTOR 132 NOIDA, NOIDA
Class : Class 7

Ans 15:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
kunal is wrong

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arnav reddy from oakridge international school, hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 6
A is not correct D is correct

Ans 2:

MAYANK from Jain Public School, REWARI
Class : Class 9
A

Ans 3:

Shruti from ,
Class : Class 1
d and Gaurika actually chocolate contains fats

Ans 4:

Samik Praveen from Euro School Airoli, Mumbai
Class : Class 6
All of these

Ans 5:

akshitha from Euroschool, Bengaluru
Class : Class 3
all of these

Ans 6:

Vineet Banode from New Horizon Scholars School, Pune
Class : Class 5

Ans 7:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 6
D is correct

Ans 8:

MAYANK from Jain Public School, REWARI
Class : Class 9
D

Ans 9:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Fruits (2) contain minerals and vitamins and are protective food. They help in recovering from illness. Overeating of fried food (1) leads to obesity as it contains fat that gets stored in the body. Chocolates (3) contain a lot of carbohydrates which give us energy when hungry.

Ans 10:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
all of these option(D)

Ans 11:

Mahima g pillai from Arya central school, Trivandrum
Class : Class 6
D

Ans 12:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
Everyone thinks that a option is correct but it is wrong.The correct answer is d part.Everyone will think that chocolate is junk food.How can it give us the energy but chocolate contains fat.That's why when when we are hungry it gives us a lot of energy

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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

Read the given data and select the correct option for the following questions.
Raman carried out an experiment to find out how fast water can pass through four different types of soil. He put each type of soil in four pots with equal sized holes at the base and placed separate dishes at their bottom to collect water. He poured water in them one by one, and used a stopwatch to record the time taken for water to reach the level he had marked same in each dish. His recording is given in the table as shown below.

What factors should Raman keep the same to ensure a fair test?
(i) The amount of soil
(ii) The size of the pot
(iii) The shape of the dish
(iv) The amount of water

A (iii) and (iv) only
B (i) and (ii) only
C (ii), (iii) and (iv) only
D (i), (ii), (iii) and (iv)


How can it be a fair test if the amount of water varies

Ans 1:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
D

Ans 2:

Rithvik from BVM Global, Chennai
Class : Class 8
d

Ans 3:

Mehaan Bhatt from Pawar Public School , Mumbai
Class : Class 6

Ans 4:

Anuraaj Salunkhe from St Gregorios High School, Mumbai
Class : Class 10

Ans 5:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
The amount of water also matters right

Ans 6:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4
Water is also correct

Ans 7:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
D, amount of water matters the most out of all.

Ans 8:

Kamal Manchenella from Delhi Public School, Hyderabad
Class : Class 7
I feel that it is D

Ans 9:

Shriyans from DPS Agra, Agra
Class : Class 8
D

Ans 10:

Adhrit from CHSV, Chennai
Class : Class 8
Definitely D

Ans 11:

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

Ans 12:

shreya from GIIS, KualaLumpur
Class : Class 5

Ans 13:

Shubham Ashish Kulkarni from APEEJAY PITAMPURA, DELHI
Class : Class 8
shape of dish also should be included. Amount of water poured doesnt matter as long as you are collecting equal volume in all dishes. Hence similar dishes is important.

Ans 14:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 15:

aditya ranjan from gyan niketan , patna
Class : Class 7
i think amount of water also nedd

Ans 16:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
All the given factors are required for a fair test ; So option D would be the correct answer

Ans 17:

Tanmayi kiran giri from airforce force public school Vayusena Nagar, Nagpur, nagpur
Class : Class 9
I do agree it's D

Ans 18:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9
I think D is the correct answer

Ans 19:

Riyan Nayak from DPS Newtown, Kolkat
Class : Class 7
c should be the correct answer

Ans 20:

ALICE from Delhi Public School, UDAIPUR
Class : Class 8

Ans 21:

Aanya from DAV, Gurgaon
Class : Class 8
Option D is the correct answer

Ans 22:

Shreyans Mondal from GD Goenka Public School Dakshineswar, Kolkata
Class : Class 8

Ans 23:

Palash sachin patel from Kips, Patan
Class : Class 8
d is correct answer

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Aswath Krishna from DPS EAST, Bengaluru
Subject :NSO    Class : Class 6

A potter shapes pots out of clay (Process 1). He then bakes the pots in an oven (Process 2). Which of the following statements is correct?

A Process 1 is a reversible, physical change while process 2 is an irreversible, physical change.
B Process 1 is an irreversible, physical change while process 2 is an irreversible, chemical change.
C Process 1 is a reversible, physical change while process 2 is an irreversible, chemical change.
D None of these.


Is it A or C?

Ans 1:

Vidula Malkar from DPYA High school, Mumbai
Class : Class 7
a is the correct answer because chemical composition dose not change

Ans 2:

Arnesh from dps, delhi
Class : Class 6
It should be A

Ans 3:

D Murari from Indian School of Excellence, Bangalore
Class : Class 9
C,because- it is a chemical change. after baking we can break it into smaller particles but it won't form the same clay, with same properties again

Ans 4:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6
on heating, the clay pot doesn't turn into stone,right?it doesn't change composition once heated , it is still clay ! answer is "A"

Ans 5:

Anika Saha from New Town School, KOLKATA
Class : Class 6
The answer is A.

Ans 6:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
answer is a

Ans 7:

ridhima from mdps, faridabad
Class : Class 6

Ans 8:

RUDRAKSH BISWAS from MAYOOR PRIVATE SCHOOL, ABU DHABI
Class : Class 6
It really should be A

Ans 9:

Tanishtha from DPS, Greater Noida
Class : Class 7
c is the correct answer

Ans 10:

Advay Das from Delhi Public School, Gurgaon
Class : Class 4

Ans 11:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
C because we can get clay back from a wet pot by smashing it,but once it heats up, it dries the clay and makes it stone hard.

Ans 12:

Rasha Ranjan from DPS NOIDA , Vaishali
Class : Class 6
Yes ,Because chemical means change in the properties but there is no change .The answer is A

Ans 13:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
A is the correct answer

Ans 14:

Archisman Rout from Podar International School, Powai
Class : Class 7
A is correct because it just turns hard but it is still clay only.And also chemical change doesn't mean that it is irreversible,Chemical change means that the identity of the substance we started with is lost.Here the identity is not lost.So A is correct.

Ans 15:

ATHARV RAHUL MAHAJAN from ST. STEPHENS SCHOOL CHANDIGARH, SAS NAGAR
Class : Class 6
IF WE SHARP A PENCIL IT IS A PHYSICAL IRREVERSIBLE CHANGE .SO,IF WE HEAT A POT IS PHYSICAL IRREVERSIBLE CHANGE. BUT IT COULD HAPPEN THAT THE COMPOSITION OF CLAY MIGHT CHANE BECAUSE OF HEATING AS THE MOLECULES STICK TO EACH OTHER

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