National Science Olympiad Forum By SOF Olympiad Trainer - Page 76
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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Hitansh Madhav from GIIS Noida, Noida
Class : Class 4
i thought it was a

Ans 2:

Vedang Siddharth Thakare from SMT's Saraswati English Medium School., Thane
Class : Class 4

Ans 3:

Madhuri P from ,
Class : Class 4
you need to specify if waning or waxing crescent

Ans 4:

Virat from K l international, Meerut
Class : Class 5
You need to specify whether it is a waxing or waning crescent.

Ans 5:

Jayanth from The Deens Academy, Bengaluru
Class : Class 4
You have to specify if waxing or waning crescent

Ans 6:

Tejesh VB from GEMS New Millennium School, Al Khail, Dubai
Class : Class 8

Ans 7:

AVANEESH GOKHALE from PTVEMS, MUMBAI
Class : Class 4

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 2:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9

Ans 3:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2
NA

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9

Ans 2:

Trishaan Agrawal from delhi public school sector 45, Gurgaon
Class : Class 4
A option how

Ans 3:

Trishaan Agrawal from delhi public school sector 45, Gurgaon
Class : Class 4
A option how

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2
What is mimicry?

Ans 2:

Tejesh VB from GEMS New Millennium School, Al Khail, Dubai
Class : Class 8

Ans 3:

SIDDHARTH KUMAR CHATTERJEE from NAVY CHILDREN SCHOOL , CHICALIM
Class : Class 7
Mocking or copying.

Ans 4:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2
😓😓copying

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aadin josefina from sorsfort international school,
Subject :NSO    Class : Class 4

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Nirvaan Jain from Anand Niketan Satellite Campus, Ahmedabad
Class : Class 4
The option D. is wrong. It mentions 3 pairs of wings whereas it should be 2 pairs of wings.

Ans 2:

Shrihan Koley from Radiant International School , Patna
Class : Class 5
There is written on option D that Q could have three pair of wing but the question is wrong.There should be written two pair instead of three pair.Two pair is written on solution.

Ans 3:

Aarav sugla from Niraj International School , Secunderabad
Class : Class 5

Ans 4:

KANAK PRASAD from Kendriya Vidhyalaya IIT Tirupati, Tirupati
Class : Class 5
confusing question

Ans 5:

Saharsh Aggarwal from Redwood High International School, MUMBAI SUBUEBAN
Class : Class 6
But no spider species have 6 legs

Ans 6:

Saharsh Aggarwal from Redwood High International School, MUMBAI SUBUEBAN
Class : Class 6
But no spider species have 6 legs

Ans 7:

lavanya from bcm chd road, Ludhiana
Class : Class 5

Ans 8:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Please explain more nicely and Keanna thank you for explaining

Ans 9:

kartikeya nangrani from the kalyani school, pune
Class : Class 4
Most off your questions are wrong

Ans 10:

Keanna from APG, MUMBAI
Class : Class 7
A. P could be cold-blooded animal whereas R could be warm-blooded animal. ----- Frog has backbone, lays eggs and is a cold-blooded animal. So, P can be a Frog. Humans have backbone and hair, and they are warm-blooded. So, R can be a Human Being. So, this statement is Correct.B. Q could be six-legged animal whereas R could be four-legged animal. ----- Spiders have six legs and they lay eggs. So, Q can be a Spider. Horses are four-legged animals. They have backbone and hair. So, R can be a Horse. So, this statement is Correct.C. R could breathe through lungs whereas S could breathe through spiracles. ----- Dogs breathe through lungs, they have backbone and hair. So, R could be a Dog. Cockroaches breathe through spiracles. They have backbone and lay eggs, but they have no hair. So, S can be a Cockroach. So, this statement is Incorrect.D. P could have a pair of wings whereas Q could have two pairs of wings. ----- Birds have a pair of wings. They have backbone and they lay eggs. So, P could be a Bird. Most insects have two pair of wings, and they lay eggs. So, Q could be an Insect. So, this statement is Correct.Hence, the right answer is Option C.

Ans 11:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Hey, some spider species have six legs, usually out of India. And the whole explanation is wrong.

Ans 12:

aurik mittal from mayor world school, jalandhar
Class : Class 5
questio is wrong

Ans 13:

Advait Kumar Mangalik from The S D Public School, Muzaffarnagar
Class : Class 4
Keanna you are a copycat

Ans 14:

Om Adhatrao from Orchids International School, Thane
Class : Class 4
Thank you for the explanation

Ans 15:

Archita Moi from The Newtown School, Kolkata
Class : Class 4
Oh my! thanks for solving my problem .

Ans 16:

Arjun120914 from St. Andrews world school, Ghaziabad
Class : Class 5

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Let’s study the given food-web carefully:The food-web is starting from P. So, P are plants (Producers). Q, T and U are eating these plants, so they are Herbivores (Primary Consumers). R are eating Q, and V are eating U, so they are Carnivores (Secondary Consumers). S are eating T as well as R

Ans 2:

Tamojeet Sanyal from Don Bosco, Kolkata
Class : Class 2
please explain the reasoning

Ans 3:

Deveshi Sachdev from venkateshwar international school, New Delhi
Class : Class 6
I did it with a guess and got it right somehow!

Ans 4:

Vansika Jasrapuria from Chatrabhuj Narsee School, Mumbai
Class : Class 4

Ans 5:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

Ans 6:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

Ans 7:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
OMG!How confusing!How did the others do it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 8:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
wth

Ans 9:

Rakshit Singh from DLF Public School, Ghaziabad
Class : Class 5

Ans 10:

Aarvika Dansana from Mayoor School Noida, Gautam Buddha Nagar
Class : Class 4
The ans is A

Ans 11:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

Ans 12:

Harsh Mahyavanshi from Lokhandwala Foundation School, Mumbai
Class : Class 4

Ans 13:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

Ans 14:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

Ans 15:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 5
ans is b

Ans 16:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
kn

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Nitika from THE CREEK PLANET SCHOOL, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

Ans 2:

UMANG from spring dale college, Lucknow
Class : Class 7
because non green plants like "Indian pipe" are not in green. and they absorb their food from dead plants and animals

Ans 3:

Rahul from Cambridge school, noida
Class : Class 4
Because Riya's statement says that all roots are below the ground but the roots of mangroves are above the ground

Ans 4:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4

Ans 5:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4

Ans 6:

Samaira from Global Indian International School, Bangalore
Class : Class 8
Cuz every tree does not have to be evergreen Dum Dum!! Deciduous trees, tidal trees, and many more don’t have all green leaves!!! Evergreen trees do not shed their leaves and so look green throughout the year, but other non-always green trees shed their leaves and are not always GREEN !!!got it?

Ans 7:

Ameya Dhuri from Birla Public School, Doha
Class : Class 8
No mangoves have roots above the ground I am talking to you Radiant

Ans 8:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4

Ans 9:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

Ans 10:

Satyam Pandey from radiant, danapur
Class : Class 5
but all plants have roots below the ground

Ans 11:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
Mangroves have aerial roots!

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Gokul Warrier M from PSBB LLA, BANGALORE
Subject :NSO    Class : Class 4

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ishi gupta from DPS NOIDA, NOIDA
Subject :NSO    Class : Class 4

Ans 1:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
D is correct as saliva is mainly water, helps makes it easier for us to swallow our food and softens our food so I got correct answer you people can also check in the solution......😄

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Ans 3:

UMANG from spring dale college, Lucknow
Class : Class 7
Its answer is option D because saliva is mainly water and it contains enzimes that softnes our food and makes it easier to shallow

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 5:

Bhanu V from World One , Hyderabad
Class : Class 4
D

Ans 6:

S Nithyanth from Geethanjali Vidyalaya, Bangalore
Class : Class 6
d

Ans 7:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5
d!

Ans 8:

Chinmay S Amboori from Adani Public School, Mundra
Class : Class 7
Why is the answer D ??

Ans 9:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8

Ans 10:

Bk Tiwari from S.D.A, Surat
Class : Class 9
why d please explain

Ans 11:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
D only

Ans 12:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9
The answer is option D

Ans 13:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
I agree with LavanyaIt should be D!

Ans 14:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
IT should be B as tongue makes it easier to swallow food but it can be D too PLS. explain

Ans 15:

Shreshta from Presidium, Ghaziabad
Class : Class 3
the answer can c or d.why cant it be c. pleas explain

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