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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

The given list shows the five steps needed to do a starch test but in a random order.
(i) Pluck a leaf from the plant.
(ii) Leave a potted plant out in the Sun for a few hours.
(iii) Boil the leaf in alcohol.
(iv) Put the leaf in boiling water for 2 minutes.
(v) Wash the leaf and then add a few drops of iodine solution over it.
Select the option with correct order of these steps.

A (i), (ii), (iii), (iv), (v)
B (i), (ii), (iv), (iii), (v)
C (ii), (i), (v), (iv), (iii)
D (ii), (i), (iv), (iii), (v)


Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Answer- D

Ans 2:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
Option D : (ii), (i), (iv), (iii), (v)

Ans 3:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 7
difficult

Ans 2:

TEJASWANI from TIME SCHOOL, HYDERABAD
Class : Class 7
stupid

Ans 3:

from Sri Chaitanya Techno School, Bengaluru
Class : Class 9

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Aarushi Chaubey from Teoler High School, Jaipur
Class : Class 8
the answer (a) not (d)

Ans 2:

Basundhara Ghosh from Birla High School Mukundapur , Kolkata
Class : Class 7
Answer is B not D

Ans 3:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer is a not d

Ans 4:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 8
The answer is A and not D since the terminals of the battery are not connected in a proper way.

Ans 5:

Amishee Surya from bgsnps, Bengaluru
Class : Class 8
They have asked incorrect. Even I went wrong here

Ans 6:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
the answer is (A) and not (D)

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Swarnavo from Reso, Kota
Subject :NSO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 7
OPTION C IS CORRECT ANSWER.

Ans 2:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 3:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A is the correct answer

Ans 4:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 5:

shashwat pandey from Doon International School Dalanwala, Dehradun
Class : Class 7
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

Ans 6:

from , Jamnagar
Class : Class 7

Ans 7:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 8
i am not sure if it is A or C

Ans 8:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

Ans 9:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A

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Avinash Mishra from Central Hindu School, Gorakhpur
Subject :NSO    Class : Class 10

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Arav Singh from Jyoti Niketan School, Azamgarh
Subject :NSO    Class : Class 5

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :NSO    Class : Class 8

Ans 1:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 2:

bipasana from KV IIT Kanpur, Kanpur
Class : Class 8
It IS A.

Ans 3:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
Can someone please explain why the answer is A?

Ans 4:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 5:

Student from School, City
Class : Class 8
Explain with diagram in the solution.

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SOMDATTA BHATTACHARYA from DON BOSCO, KOKRAJHAR
Subject :NSO    Class : Class 4

Ans 1:

Himanshu Tiwari from Billabong High International School, Bhopal
Class : Class 4
22

Ans 2:

Aishi Asati from Global city international School, Bangalore
Class : Class 4
D

Ans 3:

Himanshu Tiwari from Billabong High International School, Bhopal
Class : Class 4
22

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Arundhathi from NATIONAL PUBLIC SCHOOL, CHENNAI
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Yes!!

Ans 2:

Himanshu Tiwari from Billabong High International School, Bhopal
Class : Class 4
Yes they do.

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Pranesh Sathish Kumar from Diya Academy of learning, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Ritesh Narayan Das from Adamas International School, Kolkata
Class : Class 10
R

Ans 2:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
R

Ans 3:

Ved prajapati from Adani Vidya Mandir , Ahmedabad
Class : Class 8
(a)p

Ans 4:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
I will go with A

Ans 5:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
I will go with A

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