National Science Olympiad Forum By SOF Olympiad Trainer - Page 73
  1. Home
  2. /  Forum

User Forum

Ask Your Question
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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Post Your Answer

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:

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

Ans 3:

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

Ans 4:

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

Post Your Answer

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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 4:

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

Ans 5:

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 6:

Bharat Aggarwal from Kalyani school, Pune1
Class : Class 4
But no spider species have 6 legs

Ans 7:

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 8:

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 9:

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

Ans 10:

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

Ans 11:

lavanya from bcm chd road, Ludhiana
Class : Class 5

Ans 12:

Bharat Aggarwal from Kalyani school, Pune1
Class : Class 4
But no spider species have 6 legs

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

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:

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

Ans 15:

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 16:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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 3:

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

Ans 4:

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 5:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

Ans 6:

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

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:

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

Ans 9:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

Ans 10:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4

Ans 11:

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

Post Your Answer

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

Post Your Answer

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D

Post Your Answer

Aryan from Gems, Pune
Subject :NSO    Class : Class 4

Ans 1:

Aryan from Gems, Pune
Class : Class 4
A. Dog star

Post Your Answer