National Science Olympiad Forum By SOF Olympiad Trainer - Page 92
  1. Home
  2. /  Forum

User Forum

Ask Your Question
OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
all are wrong

Ans 2:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
teeth are made of tough material called enamel .

Ans 3:

Tashvika from JHS, Bangalore
Class : Class 4
All are wrong

Ans 4:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
I think the question is wronghow can digestion occur if there is no small intestine? so ans is D

Ans 5:

PARTH PANCHAL from NEW HORIZON SCHOLARS SCHOOL, THANE
Class : Class 7
nknnnk

Ans 6:

Punyatoya from Harvest, Bengaluru
Class : Class 8
All the teeth have root,crown,neck but their SHAPE is different so Anand is correct.

Ans 7:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
the correct answer is c because premolars and molars are a set of permanent teeth only.

Ans 8:

Amrit Priyadarshi from kanakia International School , Mumbai
Class : Class 6
Everyone's statements look wrong but the option is not there . Correct answer- {E} all are wrong

Ans 9:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
E E E E E

Ans 10:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
ans is B

Ans 11:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6

Ans 12:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7

Ans 13: (Master Answer)

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

Ans 14:

Amrit Priyadarshi from kanakia International School , Mumbai
Class : Class 6
the answer is not A nor B,C or D

Ans 15:

Navvi Maya KPR from Sacred Heart Matriculation Higher Secondary School, Chennai
Class : Class 8
C is the correct answer because the solution is like that. So i think it is the correct one !

Ans 16:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5

Ans 17:

Bk Tiwari from S.D.A, Surat
Class : Class 9
why c

Ans 18:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
Digestion of food takes place in small intestine whereas absorption of water from remaining undigested food takes place in large intestine. Premolars and few molars are not present in milk teeth set.

Ans 19:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I agree with the solution given. Anand is right as a tooth also includes dentine as well as enamel. If it would have been,'The covering of a tooth is dentine.',it was wrong. Bhavya Jain check the solution.

Ans 20:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
the correct answer is c

Ans 21:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Answer: option C

Ans 22:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
c easy

Ans 23:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7
Rajesh and Anand are wrong I emphasis more about Anand because the tough material in the teeth is it's enamel not the dentine.

Ans 24:

PARTH PANCHAL from NEW HORIZON SCHOLARS SCHOOL, THANE
Class : Class 7
lllllllllllllllllllllllllllllllllllllllll

Ans 25:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
i do not understand it

Ans 26:

Ryan from YBIS , SINGAPORE
Class : Class 5

Ans 27:

Shivangi Shivu Singh from Pawar Public School Chandivali , Mumbai
Class : Class 8

Ans 28:

Anahita Saxena from Ryan International School Pune, Pune
Class : Class 3
Look here there is some problem. The correct answer is not there. Amrit is right. but all are not wrong. Anand and Rajesh are wrong. So, the correct answer will be E (which is not there actually. I made it myself because the correct answer was not there.) Rajesh and Anand.

Post Your Answer

Arnav Chavan from NHPS, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

RHETAMA DAS from Usha Martin school,Malda, MALDA
Class : Class 3

Ans 2:

Agrim Bhanote from Sacred Heart Sr. Sec. School , Ludhiana
Class : Class 4
D

Ans 3:

Agrim Bhanote from Sacred Heart Sr. Sec. School , Ludhiana
Class : Class 4
D

Ans 4:

Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Class : Class 10
It is not a duck and his beak help him to catch fishes(fishes are first stored in its beak)

Post Your Answer

Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
correct ans is c cause first she did an action by putting the beans the action caused some sound which makes it movement-sound then she cut the plastic wrap which was the movement the movement made the beans spill all over which makes it sound energy

Ans 2:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5

Ans 3:

AAROHI from Montfort Senior Secondary School , Nagpur
Class : Class 3
the answer should be d

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
I think Aanya is right

Ans 5:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
4 correct ans is c cause first she put the beans and it makes some sound and made a movement in the first place so it will be movement sound and then she broke it so basically it will be movement again but the action caused the beans to spill so that is why it made some tapping sound so the ans should be c movement- sound -movement- sound

Ans 6:

Hamzah Inamdar from SHARDA ENGLISH SCHOOL KAIJ DIST BEED, KAIJ
Class : Class 4
Can anyone explain this question?

Ans 7: (Master Answer)

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

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
I can't understand

Ans 9:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
correct answer isC ..... I understood everything

Ans 10:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
yes admin

Post Your Answer

Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1:

Shaurya Jaiswal from Navy Children School , Kochi
Class : Class 7
c

Ans 2:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7

Ans 3:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
ANS b

Ans 4:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
I THINK IT IS D

Ans 5:

Akshaya S from NPS ITPL, Bangalore
Class : Class 8

Ans 6:

Vardhan from TSRS, GURGAON
Class : Class 4

Ans 7:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
i think its a

Post Your Answer

Shreyas from VPEMS, Baramati
Subject :NSO    Class : Class 4

Ans 1:

Aparna praveen from Rajagiri, Ernakulam
Class : Class 4

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
A

Ans 3:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
can someone tell me the ans

Ans 4:

Manav from TFS Gunjur, Bengaluru
Class : Class 4

Ans 5:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5

Ans 6:

Anantjit Chander from Apeejay School, Sector 15, Faridabad
Class : Class 10
why is the answer A

Ans 7:

Varshit Agarwal from VBPS , Noida
Class : Class 7

Post Your Answer

Vimala from Narayana, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Aarush from Podar, Mumbai
Class : Class 10
why dont you tell it yourself

Ans 2:

Aarush from Podar, Mumbai
Class : Class 10
why dont you tell it yourself

Post Your Answer

Vimala from Narayana, Bangalore
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Nivedita Parikh from Children's Academy , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9

Ans 2:

Aditi Saha from Bishops KalyaniNagar, Pune
Class : Class 4

Ans 3:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10

Ans 4:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7

Ans 5:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Bats are mammals and so they give birth to young ones.If they were not mammals,they would not have hair on their body.So, based on what is written above by me, it is clear that I think that the correct answer is option 'A'.

Ans 6:

Aditi Saha from Bishops KalyaniNagar, Pune
Class : Class 4
CORRECT ANS IS A AS BAT IS A MAMMAL AND MAMMALS GIVE BIRTH TO FULLY FORMED BABIES

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is A because Bat is a mammal and gives birth to young ones while others lay eggs .

Ans 8: (Master Answer)

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

Ans 9:

SARBESH KUMAR DASH from Kendriya Vidyalaya No. 1 SAMBALPUR , Sambalpur
Class : Class 5
correct answer is A

Ans 10:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
A is correct because bat gives birth to its babies while turtles, crocodiles and ducks lay eggs.....😊so my answer is ✅correct

Ans 11:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7

Ans 12:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7

Post Your Answer

from , Kolkata
Subject :NSO    Class : Class 4

Post Your Answer

Anshu Manglik from Delhi Public School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

arsh from nps, bangalore
Class : Class 4

Ans 2:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
B,Care correct as they can not do photosynthesis , uses his leaves to catch food

Ans 3:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
D is correct

Ans 4:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
ACTUALLY I DISAGREE WTH my PAST SELF SAYING c IT IS d

Ans 5:

Manan thorat from Podar powai, Mumbai
Class : Class 4
Its just sooo Confusing Tel the logi I dont understand!!

Ans 6:

Saiesh from Sindhi high school, Bangalore
Class : Class 4
Correct answer is C

Ans 7:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
c

Ans 8:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
I think Dalso

Ans 9:

Rishi from Deens Academy, BENGALURU
Class : Class 9
B C D is the answers

Ans 10:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
c

Ans 11:

Suniti Kumar Ghosh from Holy Angels' School, Katwa
Class : Class 8
Correct answer is, C

Ans 12:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 8

Ans 13:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 6
Option D

Ans 14:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
C

Ans 15:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5
Correct answer is D.Because insectivores plants can photosynthesise.

Ans 16:

Vrishank Sai Anand from GEMS Modern Academy, Dubai
Class : Class 9
the correct answer should be C

Ans 17:

Vibha from Birla Public School, Doha
Class : Class 7
THE CORRECT ANSWER IS D BECAUSE THEY NEED TO OVERCOME DEFICIENCY OF NITROGEN

Ans 18:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
d

Ans 19:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7

Ans 20:

Brinda Modi from Orchids International School, Pune
Class : Class 6
Yes, it is a multiple answer question.

Ans 21:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10
correct ans is C

Ans 22:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow
Class : Class 7
c and d are both the answers i think

Ans 23:

Chinmay S Amboori from Adani Public School, Mundra
Class : Class 7
Answer should be C and D.

Ans 24:

Madhura Mageshwaran from zurich school, zurich
Class : Class 6
This is actually multiple Answer Q.It is silly!!!

Post Your Answer