National Science Olympiad Forum By SOF Olympiad Trainer - Page 65
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SAYAN MONDAL from BURDWAN CMS HIGH SCHOOL, BURDWAN
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 9

Ans 3:

Mihika Talukdar from GARDEN HIGH, KOLKATA
Class : Class 4

Ans 4:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
the answer is d as the mosquito does not look like the parent , has 3 stages of life and lays eggs while frog does not look like the adult , has 4 stages of life and lays eggs .

Ans 5:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 9
the answer is d

Ans 6:

Shreshta from Presidium, Ghaziabad
Class : Class 3
The answer which is given in the SOF application is wrong, because a frog has four life stages in his life stages, the correct answer must be moth because it has only three life stages in his life cycle and the parent and child do not look same,

Ans 7:

Krish Karthik from freedom international school, Bangalore
Class : Class 5
but frog dosnt have just 3 life stages it has 4 so its not the answer

Ans 8:

Krishna Kumari Nayak from Sai International school , Bhubaneswar
Class : Class 4
It is option B

Ans 9:

Akshat Pathak from DPS, Noida
Class : Class 4
correct answer is D

Ans 10:

Nishchita from Gems Modern Academy , Dubai
Class : Class 8
The correct answer is C

Ans 11:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5

Ans 12:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9

Ans 13:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
THE ANSWER IS D AS FROG HAS 4 STAGES IN IT'S LIFE CYCLE ,BUT DOES NOT LOOK LIKE IT'S PARENT.WHILE,MOSQUITO HAS THREE SYTAGES IN IT'S LIFE CYCLE AND DOES NOT LOOK LIKE IT'S PARENT.I MADE THE SAME MISTAKE IN THE PREVIOUS TEST

Ans 14:

Manan thorat from Podar powai, Mumbai
Class : Class 4
Frog has 4 stages any of the answers are not correct

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Someone from Nps, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Advait Avadhoot Joshi from Arya Gurukul Nandivli, Kalyan
Class : Class 5
Option C is also correct. So students selecting Option C should be awarded 2 marks.

Ans 2:

vighneshwar from study hall, Lucknow
Class : Class 5
D

Ans 3:

Pranay patel from DPS east, Bangalore
Class : Class 5
D

Ans 4:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
Because Venus is the only planet to rotate clockwise, not Uranus

Ans 5:

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

Ans 6:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
The answer is "C"

Ans 7:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4

Ans 8:

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

Ans 9:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 10
HOW🌗🌔🌏🌺🌏🐎🐚🦃🎃🐓🌍🌸🌍🐓🌼🍄🐁🌼🐐😳😳😳😳😳😳😳😳😳😳😳😳😳😳

Ans 10:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
C is not correct

Ans 11:

vighneshwar from study hall, Lucknow
Class : Class 5
D

Ans 12:

Manav from TFS Gunjur, Bengaluru
Class : Class 4
option D

Ans 13:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
c ant be correct cause Venus is not made up of frozen gases

Ans 14:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
correct ans in option D

Ans 15:

Savya Vishal Neha Babar from HPS Begumpet, Hyderabad
Class : Class 4
D

Ans 16:

Someone from Nps, Bangalore
Class : Class 6
D

Ans 17:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
cxvcv3cvtvhFVChcwlejn ljenlf wfh bh b huebvfhdocjcjnnnncncfhvb bhcbhbdhcvdgb hdbf hfjn nj n jncnnhfohvhbvobuwr3hqaswedrfthnjmk,ljnbvcxxcfvbsdcfvgbxdcFVGBDCVBNMxcvbnmdfghjasdfgjkzawsxedcrvftghnjqzawsxdfvtghunzasxdcrfvgswderftgyhazwsdfg dfgsdfghjkljghgfbjcxnjxnjnnccjjcjdccujcdjfhnvfcduhcccccccfffffffffffffffffrrrrrrrrrrrffffffffffffffffwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwevvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv jfknwjf ejjjjjjjjncvfjnb fjnvfjvmifmccccccccccccccccccccccccccccccccccccccccffvweevwevwrtvtrwh fccccczsxxxxxxxxxxxxxhhhhhhhhdsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss z cf ffffffffffffffffffffffffffffffffffffffffffffffffffffffff nmmmmmmmnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Post Your Answer

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

Ans 1:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
it can be B

Ans 2:

SIDDHARTH SOMANI from Vibgyor High, Mumbai
Class : Class 5
c

Ans 3:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
Dear Master Answer, NoidaI don't understand this question as glass plate can be broken easily. Please Help Master Answer from Noida.Your Student,Ankush Dey

Ans 4:

Saarang roy from Indian school ghubra, Muscat
Class : Class 6
a glass plate can be broken easily

Ans 5:

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

Ans 6:

somesh from Centre point katol road, Nagpur
Class : Class 6
A floor tile can be broken with special instruments not with hands

Post Your Answer

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Post Your Answer

shreyash rawat from podar international school, pune
Subject :NSO    Class : Class 4

Ans 1:

shreyash rawat from podar international school, pune
Class : Class 8

Ans 2:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
THE CORRECT ANSWER IS C

Post Your Answer

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

Ans 1:

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

Ans 2:

Chinmayee from Dimensions , Singapore
Class : Class 4
A

Ans 3:

vighneshwar from study hall, Lucknow
Class : Class 5
C

Ans 4:

Chinmayee from Dimensions , Singapore
Class : Class 4
The answer is A because plastic is used to make raincoats

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 9
C

Post Your Answer

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

Ans 1:

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

Ans 2:

Avigyan from DPS Numaligarh, Golaghat
Class : Class 5
tg4tg

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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 11:

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

Ans 12:

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

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Ans 4:

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

Ans 5:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
As said in the solution no repeating of same pairs (AB and BA) so 15 is correct.

Ans 6:

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

Ans 7:

vighneshwar from study hall, Lucknow
Class : Class 5
A

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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 ???

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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

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