National Science Olympiad Forum By SOF Olympiad Trainer

Sargah Surya from bgsnps, Bengaluru

Subject :NSO Class : Class 6

In the given diagrams, compasses are used to plot the magnetic field around a bar magnet with poles marked N(North) and S(South). Which of the following diagrams correctly shows the expected field pattern?

A
B
C
D

how

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Ans 1:

Dushyant Singh from Shree Ram Centenial School, Indore

Class : Class 9

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Shourya Solanki from Lakshaya International School, Ahmedabad

Subject :NSO Class : Class 1

Air has water vapours. This can be noticed more clearly on which of these days?

A
B
C
D

In book right answer shown is Mishty. please correct.

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Ans 1:

Arya.sinha from chirec, Hyderabad

Class : Class 1

Ans 2:

Adira Singh from DPS NOIDA, NOIDA

Class : Class 1

Ans 3:

Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Class : Class 5

misty should be the correct answer

Ans 4:

Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Class : Class 5

misty should be the correct answer

Ans 5:

BHAVYA from iswk, Oman

Class : Class 6

misty is the right answer only. there is nothing wrong in that

Ans 6:

Anugya from Delhi Public School Whitefield, Bangalore

Class : Class 5

Misty is correct but it is saying cloudy. The answer is "B".

Ans 7:

anu from Haralur, Bengaluru

Class : Class 5

c

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Aarav Dipen Bhikadya from Gems Genesis International School, Ahmedabad

Subject :NSO Class : Class 2

Four different questions were asked to the pupils, as shown below. Which pupil will be able to answer?

A
B
C
DNone of these

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Ans 1:

Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru

Class : Class 8

answer is C

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Harini from vibgyor high, bangalore

Subject :NSO Class : Class 4

Select the transport means that can help you travel from India to Sri Lanka.

A
B
C
DBoth A and B

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Ans 1:

Bhanu V from World One , Hyderabad

Class : Class 4

D

Ans 2:

UMANG from spring dale college, Lucknow

Class : Class 7

both A and B . Means D

Ans 3:

Jivika from , Neemrana

Class : Class 4

D

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Ratan Meena from Dolphin English School, Pune

Subject :NSO Class : Class 8

good

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Mansi from DPS, New Delhi

Subject :NSO Class : Class 2

How many squares are there in the given figure?

A2
B3
C4
D5

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Saanvi from Dehli Public School , Gurugram

Subject :NSO Class : Class 7

Match Column-I with Column-II and select the correct option

	Column-I	Column-II
	(A) Railway engine	(i) Quintal
	(B) Packet of chilli powder	(ii) kg
	(C) Sack of wheat	(iii) mg
	(D) Huge bag of sand	(iv) g
	(E) Aspirin tablet	(v) Metric ton

A(A) - (v), (B) - (iv), (C) - (i), (D) - (ii), (E) - (iii)
B(A) - (i), (B) - (ii), (C) - (iii), (D) - (iv), (E) - (v)
C(A) - (ii), (B) - (iv), (C) - (v), (D) - (iii), (E) - (i)
D(A) - (iii), (B) - (ii), (C) - (iv), (D) - (v), (E) - (i)

How can a sack of wheat be equal to a Quintal? (A Quintial is equal to a 1000 kg)!!!

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Ans 1:

Hritvi from Podar International School, Mumbai

Class : Class 7

Correct answer is A

Ans 2:

Pranathi from GIIS, Kuala Lumpur

Class : Class 7

A

Ans 3:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai

Class : Class 7

the correct answer to this question is A

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rajat mokashe from podar international school, parbhani

Subject :NSO Class : Class 5

Which layer of earth is 'X'?

ACrust
BMantle
CInner core
DOuter core

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Ans 1:

adwit from bal bharati public school, Bilaspur

Class : Class 5

wrong your answer coming

Ans 2:

Ansh singh from Dav model school, Durgapur

Class : Class 5

After seeing the solution I saw that Mr. SOF is fully correct. He is not always wrong. Sometimes not just me but all of us can make mistakes too. We are not mistake proof.

Ans 3:

shivank from Presidency, Bangalore

Class : Class 8

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

Subject :NSO Class : Class 2

Select the INCORRECT match out of the following.

AButter - Body building food
BPotato - Protective food
CRice - Energy giving food
DBoth A and B

butter is both energy giving and body building food

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Ans 1:

SAMARPAN DAS from Notre Dame Academy, Salakati Kokrajhar

Class : Class 7

Potato is a protective food. So (B) is not incorrect.

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AARIV SAINI from BLUEBELLS SCHOOL INTERNATIONAL, NEW DELHI

Subject :NSO Class : Class 6

Read the following statements carefully and choose the appropriate option.
I. In a reversible change both physical and chemical properties always undergo a change.
II. The change due to dissolving salt in water is reversible.

ABoth statements I and II are true and statement II is the correct explanation of statement I.
BBoth statements I and II are true and statement II is not a correct explanation of statement I.
CStatement I is true but statement II is false.
DStatement I is false but statement II is true.

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Ans 1:

dev bhati from Holy public school, greater noida

Class : Class 6

b

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