National Science Olympiad Forum By SOF Olympiad Trainer

Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

Ans 1:

Inez from Vibgyor High Airoli, bangalore

Class : Class 5

Why have they put SST question in a science paper?

Ans 2:

Bubui from ABCD, Bangalore

Class : Class 5

Ans 3:

Ananya Ojha from Delhi Public School, Noida

Class : Class 5

Bc this is Olympiad here it happens like this only

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Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

In the given figures, X, Y and Z represent three different states of matter.

Select the correct option regarding X, Y and Z.

AX is a liquid while Z is a gas.
BY is a solid while X is a liquid.
CX and Y are solids while Z is a gas.
DY is a gas while Z is a solid.

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Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura

Class : Class 7

D

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Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

Which of the following statements is/are correct?
(i) By migrating, Arctic tern sees two summers each year.
(ii) For breeding, Salmon migrates from sea to fresh water whereas eel migrates from fresh water to sea.
(iii) Humpback whales migrate from Antarctica to tropical waters of Australia for breeding.

A(i) and (ii) only
B(ii) and (iii) only
C(i) and (iii) only
D(i), (ii) and (iii)

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Ans 1:

Ananya Ojha from Delhi Public School, Noida

Class : Class 5

Ans 2:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon

Class : Class 7

give slution

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Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

Read the given statements and correct them by replacing the italicised words with the correct option.
(i) Iris is the transparent layer that covers the front of the eye.
(ii) Inner ear is a thin membrane like structure that vibrates on receiving sound.

	(i)	(ii)
A	Cornea	Eardrum
B	Pupil	Middle ear
C	Lens	Eardrum
D	Pupil	Outer ear

I think the answer is A YOYOYO

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Ans 1:

spj2011 from DB, Chennai

Class : Class 5

Could you please italicise those words?

Ans 2:

Ananya Ojha from Delhi Public School, Noida

Class : Class 5

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Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

Some letters are given which are numbered as 1, 2, 3, 4, 5 and 6.
Find the combination of numbers so that letters are arranged accordingly to form a meaningful word.

A4, 1, 3, 5, 2, 6
B4, 1, 6, 3, 2, 5
C5, 2, 3, 1, 6, 4
D5, 6, 4, 1, 3, 2

I think the answer is B

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Ans 1:

Ananya Ojha from Delhi Public School, Noida

Class : Class 5

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ARYAN DAS from LOKHANDWALA FOUNDATION SCHOOL, MUMBAI

Subject :NSO Class : Class 5

The given table shows solubility of three substances. The following steps were carried out to obtain Y from the mixture of substances X, Y and Z.
(i) Filtration
(ii) Evaporation to dryness
(iii) Addition of water

Select the correct order of steps to obtain Y.

A(i) → (ii) → (iii)
B(iii) → (i) → (ii)
C(ii) → (i) → (iii)
D(i) → (iii) → (ii)

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Ans 1:

Hitanshi Behera from Loyola School , Bhubaneswar

Class : Class 4

oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava, gana khatham hua

Ans 2:

Adway Jha from DPS Whitefield, Bangalore

Class : Class 7

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Abhijeet Kumar Jha from New Era Senior Secondary School, Nizampura, Vadodara

Subject :NSO Class : Class 5

Which of the following Venn diagrams best represents the relationship amongst, "Tailor, Female and Father"?

A
B
C
D

A

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Ans 1:

NIHAL from ISS, Sohar

Class : Class 5

Ans 2:

Isha Tiwari from KV IIT Powai, Mumbai

Class : Class 4

How is this possible? please explain SOF, I don't understand how option D or any option will be possible since Tailor, Female and Father don't have much of a relationship. Please explain.

Ans 3:

SANVI ROHILLA from The little shri, Rohtak

Class : Class 5

Ans 4:

NIHAL from ISS, Sohar

Class : Class 5

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Karunesh sa from DAV BOYS SENIOR SECONDARY SCHOOL, Chennai

Subject :NSO Class : Class 9

Match column I with column II and select the correct option from the given codes.

Column I	Column II
(Nutrients)	(Deficiency diseases)
(A) Niacin	(i) Scurvy
(B) Vitamin C	(ii) Kwashiorkor
(C) Vitamin K	(iii) Xerophthalmia
(D) Protein	(iv) Pellagra
(E) Vitamin A	(v) Bleeding