National Science Olympiad Forum By SOF Olympiad Trainer - Page 78
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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

AVANEESH GOKHALE from PTVEMS, MUMBAI
Class : Class 4

Ans 5:

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

Ans 6:

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

Ans 7:

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

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

Ans 1:

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

Ans 2:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

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:

Trishaan Agrawal from delhi public school sector 45, Gurgaon
Class : Class 5
A option how

Ans 2:

Trishaan Agrawal from delhi public school sector 45, Gurgaon
Class : Class 5
A option how

Ans 3:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

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from ,
Subject :NSO    Class : Class 4

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

lavanya from bcm chd road, Ludhiana
Class : Class 5

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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 10:

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

Ans 11:

Shrihan Koley from Kairali School, Ranchi
Class : Class 6
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 12:

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 13:

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

Ans 14:

from ,
Class :
Most off your questions are wrong

Ans 15:

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 16:

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

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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:

from ,
Class :

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:

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

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:

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

Ans 8:

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

Ans 9:

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

Ans 10:

from ,
Class :

Ans 11:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 6
ans is b

Ans 12:

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 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:

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

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:

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 2:

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

Ans 3:

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 4:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4

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:

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 9:

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

Ans 10:

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

Ans 11:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

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