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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Refer to the given paragraph.
The two main types of root are X and Y. X roots are mostly found in plants having leaves with reticulate venation, while Y roots are mostly found in plants having leaves with parallel venation.
Select the incorrect statement regarding X and Y.

A Radish, turnip and carrot are modifications of X.
B X is found in gram while Y is found in barley.
C X spreads horizontally hence cannot provide strong anchorage whereas Y penetrates very deep into the soil hence provides strong anchorage.
D In Y, primary root is short-lived while X has persistent primary root.


Ans 1:

Utsavi Priya from DPS RUBY PARK, KOLKATA
Class : Class 8
so bad and lengthy questions ??!!

Ans 2:

Samitha Kumar from Boaz Public School , Chennai
Class : Class 10

Ans 3:

Archana from Opg World School, New Delhi
Class : Class 7

Ans 4:

NISHTHA GUPTA from DPS R K Puram, newdelhi
Class : Class 10
shut up ! stop giving weird question where we gunna find da answers weirdos

Ans 5:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 8
Usually leaves having reticulate venation have tap roots and leaves having parallel venation have fibrous root, hence the answer is c because tap roots provide better anchorage than fibrous root

Ans 6:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
question very difficult especially for only 20 mins test time

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Devang Bansal from St Kabir Public School, Chandigarh
Subject :NSO    Class : Class 9

Ans 1:

venkatt ramanaw from DePaul School ICSE Ukkunagaram, Visakhapatnam
Class : Class 9
C-It remains constant throughout.

Ans 2:

from , Nanded
Class : Class 10
C- It must remain constant through out.

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Harshit Singh from Dehli Public School, Sector-102A, Gurgaon, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Shrihan Koley from Radiant International School , Patna
Class : Class 4

Ans 2:

Shrihan Koley from Radiant International School , Patna
Class : Class 4

Ans 3:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5
The answer is A

Ans 4: (Master Answer)

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

Ans 5:

Aryaveer And Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 9
Answer: AExplanation: Food is masticated with teeth and partially digested by the action salivary juices in the mouth (P).

Ans 6:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
The answer is a

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7

Ans 2:

Arya Kiran from PSBB KK NAGAR, Chennai
Class : Class 9

Ans 3:

Shruthi Sanya from DPS, Bangalore
Class : Class 6

Ans 4:

Vedant from DON BOSCO, CHENNAI
Class : Class 2

Ans 5:

Himanshi yadav from St. Francis convent school,sikandra Agra, AGRA
Class : Class 7

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Arnav opening of bud is a chemical change because then it turns into flower and is irreversible

Ans 7:

Iba khan from DPS GBN, Noida
Class : Class 6

Ans 8:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
uhhhhhhhhhhh how is opening of a bud a chemical change? the chemical compound does not change still so answer should be only 4 i think

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Gauri Chaturvedi from St. Joseph Convent, Jabalpur
Subject :NSO    Class : Class 6

Ans 1:

Ojas Patil from Vikhe Patil Memorial School Pune, Pune
Class : Class 7
c because of gravity 1 will fall. imbalance and so other will also fall

Ans 2:

Arushi from Indira National School, Pune
Class : Class 9
Both blocks will fall because there will be nothing to hold them.It is like a sea-saw balanced in the middle.If one person gets up,the other will go down.

Ans 3:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Both of them will fall because box II will come down due to gravity and box I will become heavier

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Dharini Manimaran from BVM Global @ Bollineni Hillside, Chennai
Subject :NSO    Class : Class 7

Kanav took two test tubes marked as I and II. In test tube I, he put calcium carbonate and hydrochloric acid while in test tube II, he put zinc granules and hydrochloric acid. He passed the gas coming out from both the test tubes in lime water. What would be his observation?


A The gas coming out from test tube I turned lime water milky.
B The gas coming out from test tube II turned lime water milky.
C The gases coming out from both the test tubes turned lime water milky.
D None of these.


it could have been simpler

Ans 1:

Dhruvan G from Indian School Al Ghubra, Muscat
Class : Class 8
If it could have been simpler, then you don't have to study for these Olympiads as its too difficult. And I don't think it is very difficult and the option is (A) i think.

Ans 2:

Pari Shiddam from PIS Powai, MUMBAI
Class : Class 8
they should have said correct statements. So the answer should be A

Ans 3:

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

Ans 4:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer should be A as zinc granules don’t react and produce co2 gas so it’s simple and answer should be A

Ans 5:

ARIJIT SINGH from SAT PAUL MITTAL SCHOOL , Ludhiana
Class : Class 7

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prerak from cambridge court high school, jaipur
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

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

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Dhruvan G from Indian School Al Ghubra, Muscat
Subject :NSO    Class : Class 7

Ans 1:

Shriyam from Chinmaya vidyalaya Bokaro, Bokaro
Class : Class 7
Answer is B don't look for more information ans is hidden in question with less information also

Ans 2:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option b is the answer

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Suvid Singhal from Salwan Public School, Gurgaon
Subject :NSO    Class : Class 7

Swati take X fabric and burn it. She observes following properties of the fabric :
(i) It burns but does not melt.
(ii) It shrinks from flame.
(iii) It gives the odour of charred meat while burning.
(iv) It left residue after burning which is black, hollow, irregular bead that can be easily crushed to a gritty black powder.
(v) It is self extinguishing.
According to her observation, X could be

A Silk
B Jute
C Cotton
D Nylon.


Ans 1:

Dhruvan G from Indian School Al Ghubra, Muscat
Class : Class 8
It HAS to be silk. Reference: https://www.dharmatrading.com/home/the-fire-test.html

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Krish from BPDAV, Hyderabad
Subject :NSO    Class : Class 8

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) Growing different crops in different seasons in the same field will deplete the nutrients of soil.
(ii) Freshly harvested grains must be dried before sowing.
(iii) Manures are mineral specific as they provide all the minerals needed by plant.
(iv) Broadcasting of seeds is done by seed drill.

(i) (ii) (iii) (iv)
A T F F F
B F T F F
C T T F F
D F T F T


According to me answer show be C

Ans 1: (Master Answer)

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

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