National Science Olympiad Forum By SOF Olympiad Trainer - Page 57
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Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

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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 8
THE CORRECT ANSWER IS C

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

Match column I with column II and select the correct option.


Column I Column II
(A) Dirty clothes 1. Make you feel uncomfortable
(B) Tight clothes 2. Can make you sick
(C) Warm clothes 3. Protect you from rain
(D) Cotton clothes 4. Protect you from cold
(E) Waterproof clothes 5. Make you feel cool


A (A)-1, (B)-4, (C)-3, (D)-2, (E)-5
B (A)-5, (B)-3, (C)-2, (D)-1, (E)-4
C (A)-2, (B)-1, (C)-4, (D)-5, (E)-3
D (A)-3, (B)-2, (C)-4, (D)-1, (E)-5


Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 8
C

Ans 2:

Chinmayee from Dimensions , Singapore
Class : Class 4
A

Ans 3:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
C

Ans 4:

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

Ans 5:

vighneshwar from study hall, Lucknow
Class : Class 5
C

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

AVANTIKA V from Amrita Vidyalayam Puducherry , Puducherry
Class : Class 4
Ans: C

Ans 5:

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 6:

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

Ans 7:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
C

Ans 8:

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

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

Ans 1:

vighneshwar from study hall, Lucknow
Class : Class 5
D

Ans 2:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4
briany

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

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The correct answer is C

Ans 2:

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

Ans 3:

Harsh Sobti from the samhita academy, BLR
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:

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

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

Ans 8:

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 9:

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

Ans 10:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 6

Ans 11:

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

Ans 12:

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

Ans 13:

vighneshwar from study hall, Lucknow
Class : Class 5
A

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

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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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KSHITIJ BHATIA from St Francis De Sales, New Delhi
Subject :NSO    Class : Class 4

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

Ans 1:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
How can this be

Ans 2:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4

Ans 3:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
ANSWER IS C

Ans 4:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9

Ans 5:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4
easy

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Archana Verma from EuroSchool , Pune
Subject :NSO    Class : Class 4

Avinash grouped plants on the basis of their habitats. By mistake, he placed one wrong plant in each group. Identify the odd member of each group and select the correct option.
Group I : Duckweed, Hydrilla, Opuntia
Group II : Banyan, Mango, Acacia
Group III : Barrel cactus, Joshua tree, Vallisneria

A Duckweed in group I is incorrectly placed and should be replaced with arrowhead plant.
B Mango in group II should be interchanged with Joshua tree in group III.
C Opuntia in group I should be interchanged with Vallisneria in group III.
D Banyan in group II is incorrectly placed and should be replaced with gulmohar.

Ans 1:

Bushra aslam from uttam, Ghaziabad
Class : Class 8
NA

Ans 2:

Vikas Jhamb from Bhawan, Chandigarh
Class : Class 4

Ans 3:

KSHITIJ BHATIA from St Francis De Sales, New Delhi
Class : Class 4

Ans 4:

Bushra aslam from uttam, Ghaziabad
Class : Class 8
😓how.????

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