National Science Olympiad Forum By SOF Olympiad Trainer - Page 552
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Shuvangi Das from Vivekananda mission school, haldia
Subject :NSO    Class : Class 4

Ans 1:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
Aayansh from mundamarai

Ans 2:

Sanjeev Kumar Singh from S N B P INTERNATIONAL SCHOOL PUNE, RAHATANI
Class : Class 4

Ans 3:

Ananya Singh from Chrysalis High School, Bengaluru
Class : Class 4

Ans 4:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Shuchi: P is an organism which has three stages in its life cycle. The young one is very similar to its parent.Ritu: Q is an organism which has four stages in its life cycle. The young one is very different from its parent.Now, let’s see which of the following options gives the right identities of Organisms P and Q:

Ans 5:

AAGNEY GOYAL from VENKATESHWAR INTERNATIONAL SCHOOL, Delhi
Class : Class 4

Ans 6:

Sanjeev Kumar Singh from S N B P INTERNATIONAL SCHOOL PUNE, RAHATANI
Class : Class 4
c

Ans 7:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
Sushree Snehasikta Bhera from Mother's Public school, Odishaclass 4Answer is c as cockroach has three stages in its life cycle and also the young one of the cockroach resembles the adult. The housefly also has three stages in its life cycle and also does not resemble its adult.

Ans 8:

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

Ans 9:

Avigyan from DPS Numaligarh, Golaghat
Class : Class 5
tg4tg

Ans 10:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
Ans: C

Ans 11:

Adarsh Kishor from Manav Rachna International Sector46, Gurgaon
Class : Class 4
I GOT 40/40 IN THIS QES. PAPER

Ans 12:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
C

Post Your Answer

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

Post Your Answer

SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 2:

Arnav Basu from faps, Bengaluru
Class : Class 6
b

Ans 3:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Post Your Answer

SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
B is the right answer.

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is B.

Post Your Answer

Nishtha Mishra from bal bharti public school, new delhi
Subject :NSO    Class : Class 3

Ans 1:

Aatreyu from vpms, pune
Class : Class 6
B . (2.1cm)

Ans 2:

Aatreyu from vpms, pune
Class : Class 6
B . (2.1cm)

Ans 3:

ARIV GARAI from DPS MEGACITY,KOLKATA, KOLKATA
Class : Class 4

Post Your Answer

ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

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

Ans 3:

vighneshwar from study hall, Lucknow
Class : Class 5
A

Ans 4:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
A 30

Ans 5:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer is A

Ans 6:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
A 30

Ans 7:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer should be A as 6 x 5 =30

Ans 8:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
no repetition of same pairs ( like AB and BA )

Ans 9:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 6
As said in the solution no repeating of same pairs (AB and BA) so 15 is correct.

Ans 10:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
the solution is correct as this is not combination this is just simple paring that is converted to handshakes . answer is C

Ans 11:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
the correct answer is D

Ans 12:

Suniti Kumar Ghosh from Holy Angels' School, Katwa
Class : Class 8
C 15

Ans 13:

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

Ans 14:

Naavya Kapoor from St Gregorios High school , Mumbai
Class : Class 6

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is C

Ans 16:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

Ans 17:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Post Your Answer

Navya Ojal from Mpv Mysore, Mysore
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
the correct ans is D

Post Your Answer

Asmita Bhowmick from Delhi Public School Vadodara, Vadodara
Subject :NSO    Class : Class 8

Ans 1:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8

Ans 2:

keosha jain from saint francis convent intercollege , jhansi
Class : Class 8
please explain

Ans 3:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
answer should be a

Ans 4:

Chandan Gupta from Naihati Narendra Vidya Niketan, Naihati
Class : Class 8
Can you explain how it is working

Ans 5:

Satvik Mehta from St Andrews school Bowenpally, Secunderabad
Class : Class 4
It should be a

Ans 6:

Shailja from The Pentecostal assembly school, Bokaro
Class : Class 8

Ans 7:

Ritoma gupta from BDMI, Kolkata
Class : Class 8

Post Your Answer

Anushka Srivastava from Cjm, Dehradun
Subject :NSO    Class : Class 6

Ans 1:

malhar thorve from city internqtional school, satara road, pune
Class : Class 7

Ans 2:

Punya Paras Sundrani from Anand Niketan , Ahmedabad
Class : Class 7
it is nonsense

Ans 3:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct answer is option B . Clearly , the ligaments hold the bones together at joints and cartilage acts as a cushion that acts as a shock absorbent .

Ans 4:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10

Post Your Answer

SANVI from D PS VADODARA, Vadodara
Subject :NSO    Class : Class 7

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Big ears will have a comparatively more blood supply. So it will have more heat loss also.

Ans 2:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
Small ears have less blood vessels. Blood vessels help radiate heat from the body. So less blood vessels in the small ears help reduce heat loss.

Ans 3:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
P-(iii),Q-(v),R-(vi)

Post Your Answer