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Prasuk Jain from Modern Delhi Public School, Faridabad
Subject :NSO    Class : Class 7

Saurabh burned two different fibres X and Y in order to identify them. X smelt like burning paper while Y smelt like burning hair. Which of the following options correctly identifies the two fibres?


Ans 1:

Ishaan Das Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 8

Ans 2: (Master Answer)

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

Ans 3:

Aksh singh from The asian school, Dehradun
Class : Class 7

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Pulkit Gupta from Maxfort School, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

Agrim Jai from Modern Bharakhamba, Delhi
Class : Class 6
D

Ans 2:

Tanishtha from DPS, Greater Noida
Class : Class 7
ans is d

Ans 3:

Tanishtha from DPS, Greater Noida
Class : Class 7
ans is d

Ans 4:

ARAMINTA SAHA from VIBGYOR HIGH BALEWADI, PUNE
Class : Class 6
ans is d because it is transparent which allows light to pass, it doesn't observe light but transmits all light

Ans 5:

Anshuman Mishra from kv no 3, Bhubaneswar
Class : Class 7

Ans 6:

arjun from the bishops school camp , pune
Class : Class 6

Ans 7:

Praneethalva573 from Christ Academy, Bengaluru
Class : Class 6
Option D. All of the above.

Ans 8:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
D is the ans as air is matter and is very transparent.

Ans 9:

Arsh from Lahs, Gwalior
Class : Class 6
ans is d sof !!!!!!!!!!!!! ans is d

Ans 10:

kpks14 from RIMT World School, Chandigarh
Class : Class 7
d is the answer but the trainer is showing b as answer air reflects light that is why the sky is blue

Ans 11:

HARSHAL KUTE from cambridge school buldhana, Buldhana
Class : Class 6
ans is d

Ans 12:

khushi Joshi from Svkm , Mumbai
Class : Class 8
Ans is D as air is all of the above

Ans 13:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
Answer is D as air it neither absorbs or reflects light,its almost transparent,it transmits the whole of light.

Ans 14:

Praneethalva573 from Christ Academy, Bengaluru
Class : Class 6
Option D. All of the above.

Ans 15:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
Answer is d

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Swati from Ryan, Bengaluru
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Ans 2:

N Sankar Narahari from Madhavakripa English Nursery and Higher Primary School, Manipal
Class : Class 7
answer is b

Ans 3:

N Sankar Narahari from Madhavakripa English Nursery and Higher Primary School, Manipal
Class : Class 7
everybody just copy and paste it, can anyone explain in an easier way

Ans 4:

chepz from abc school, pandikkad
Class : Class 10
The common error is to think that pressure at 0.4h above the surface of the reservoir of mercury is 0.4 times the atmospheric pressure. The pressure at p is caused by the weight of mercury above point P. Thus preesure at P is equal to : 0.6x 100000 = 60000 Pa

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Anjali Arora from dpsg, ghaziabad
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

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Harshita.B from Narayana e techno school, Poonamalle
Subject :NSO    Class : Class 3

Ans 1:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
The correct answer is D [friction].

Ans 2: (Master Answer)

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

Ans 3:

Soham Yadav from Ryan international School Sector 11 Rohini, New Delhi
Class : Class 3
obviusly it will be d

Ans 4:

Thaneesha from Radcliffe School, Kharghar
Class : Class 3
Y...I DONT UNDERSTAND SOOOOO....................TELL MEH!!

Ans 5:

Neelesh Dutta from Innocent Hearts School, JALANDHAR
Class : Class 6
I too

Ans 6:

Karangat house from Navy Children School, Payyannur
Class : Class 3

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Sanaya from Ekya School, Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Mahima g pillai from Arya central school, Trivandrum
Class : Class 3
A

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RAYAN NAJEEB from Delhi public school, RIYADH
Subject :NSO    Class : Class 1

Ans 1:

shruti badgujar from Modern English School , Aurangabad
Class : Class 2
a

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
No, the answer is D because in the option A the second image is of a full moon and not a new moon.

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Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 4

Ans 1:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
blah blah blah every one

Ans 2:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 5
why the question have given like this I don't know. why olimpiadtrainer sometimes do like this.Can anyone tell me the answer.I request to you all.Please help me or else I have tell to my father.I don't want to tell my father.I beg to you please.

Ans 3:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 5
kojjk

Ans 4:

Ajinkya Kamble from Thakur public school, Mumbai
Class : Class 5
the question you had given ,in the solution of the question of it is another one,the solution of the real question was its solution so we could not find the solution of this question.

Ans 5:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
you all are mad

Ans 6:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
i will tell to your dad das ji

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Aryan Goyal from DPS , Dwarka, New Delhi
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
No, the correct answer is D. When written in decimal, the value of it comes out to be 0.2 and the rest are bigger than it. In fractions, as the denominator gets bigger, the number gets smaller.

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JOSH K SINGH from SACRED HEART, LUDHIANA
Subject :NSO    Class : Class 7

Which of the following statements are incorrect?
(i) Cellular respiration is a physical process in which food molecules are broken down into carbon dioxide and water.
(ii) Anaerobic respiration involves breakdown of glucose into alcohol and carbon dioxide.
(iii) Breathing rate varies according to oxygen requirement of the body.
(iv) On land, frogs breathe through lungs and in water by gills.
(v) Respiration in plants occurs through stomata and lenticels.

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

Ans 1: (Master Answer)

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

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X Y
(A) Wool Silk
(B) Cotton Rayon
(C) Cotton Silk
(D) Silk Wool