National Science Olympiad Forum By SOF Olympiad Trainer

Kushal from Chirec, Hyderabad

Subject :NSO Class : Class 6

Study the following information carefully and answer the question :
(i) Six children B, D, C, M, J and K are split into two groups of three each and are made to stand in two rows in such a way that a child in one row is exactly facing a child in the other row.
(ii) M is not at the end of any row and is to the right of J, who is facing C. K is to the left of D, who is facing M.
Who is to the immediate left of B?

AM
BJ
CC
DData inadequate

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Ans 1:

Dushyant Singh from Shree Ram Centenial School, Indore

Class : Class 9

Ans 2:

shubham kundu from dps, bangalore

Class : Class 8

Ans 3:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune

Class : Class 7

Ans 4:

Shreyansh Gupta from MVN, faridabad

Class : Class 7

ans should be D instead of B

Ans 5:

malhar thorve from city internqtional school, satara road, pune

Class : Class 7

i also think ans should be d

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student from school, city

Subject :NSO Class : Class 6

Study the food web shown below.

How is organism P in the food web different from the organisms Q, R, S and T?

AIt causes decomposition.
BIt feeds on plants.
CIt feeds on animals.
DIt can photosynthesize.

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Tanishka Pasricha from Sheiling House School, Kanpur

Subject :NSO Class : Class 5

The coloured structures present inside the sepals of a flower are known as _____.

APollens
BBuds
CLeaves
DPetals

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Ans 1:

Debarpan Das from Delhi Public School , Durgapur

Class : Class 9

Ans 2:

Ivan Tyagi from Chirec International School , Hyderabad

Class : Class 8

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Ishaan Singh from BBPS, Gurugram

Subject :NSO Class : Class 3

Amit's father said, "stay at home as son of my son-in-law will come to our home to meet us". Amit will meet with his _____.

ACousin
BUncle
CNephew
DBrother

The correct answer is C

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Ans 1:

Parth Kalumali from Dav Public School Aundh Pune, INDIA

Class : Class 7

C IS THE CORRECT ANSWER

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Ishanvi B Nair from DPS Noida, Noida

Subject :NSO Class : Class 1

Refer to the given word grid and answer the following questions.

Find out the object hidden in the grid which is used for safety in both skating and cycling.
A Helmet
B Knee guard
C Floats
D Both (A) and (B)

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Ans 1:

Iksha from Vibgyorhigh, Pune

Class : Class 1

Ans 2:

Priyanshu Das from Abu Dhabi Indian School, Abu Dhabi

Class : Class 6

c

Ans 3:

KRISHNARGHYA PRAMANIK from DELHI PUBLIC SCHOOL, MEGACITY, KOLKATA WEST BENGAL

Class : Class 5

Ans 4:

KRISHNARGHYA PRAMANIK from DELHI PUBLIC SCHOOL, MEGACITY, KOLKATA WEST BENGAL

Class : Class 5

Ans 5:

Priyanshu Das from Abu Dhabi Indian School, Abu Dhabi

Class : Class 6

b

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Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai

Subject :NSO Class : Class 4

Refer the given figure showing some aquatic plants.
Select the correct option regarding the labelled plants 'L', 'M' and 'N'.

(a) Plant 'L' - Their leaves are narrow and thin so that they can bend in flowing water.
(b) Plant 'N' - The stomata are on the top of the leaf surface so that the water does not block them.
(c) Plant 'M' - Their leaves are spongy as they have air in them.
(d) All of these.

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Ans 1:

Shaurya Suryawanshi from The Orbis school, Pune

Class : Class 7

It's 'D'

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KARTIK SHINDE from Delhi Public school Rau Indore , indore

Subject :NSO Class : Class 3

Which of these is NOt an underground stem?

A
B
C
D

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Ans 1:

Abhay Sai Lakhinana from Silver Oaks International School, Hyderabad

Class : Class 4

no the correct answer is b only

Ans 2:

akshitha from Euroschool, Bengaluru

Class : Class 3

this is showing wrong answer

Ans 3:

Shishir Dutt from PIS TALEGAON, Pune

Class : Class 3

Ans 4:

Saiganesh C Bhat from Mitra Academy, BANGALORE

Class : Class 4

D

Ans 5:

Priyanshi Pritam from Vibgyor High, Bangalore

Class : Class 4

question is something answer is something

Ans 6:

Arihant Medhi from Dps Barasat, Kolkata

Class : Class 8

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Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee

Subject :NSO Class : Class 6

Fill in the blanks with the most appropriate option. Although a number of objects, such as kites, birds, aeroplanes move in space, their shadows are not seen on the Earth. This is due to the reason that the _(i)_ , the region of complete _(ii)_ is not able to reach the Earth. The region of partial _(iii)_ , that is the _(iv)_ reaching the Earth is too large and too faint to be visible to us.

A
B
C
D

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Ans 1:

Rohan David from Oakridge International school, Hyderabad

Class : Class 7

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Aditya Sai Vemparala from Amanora school, Pune

Subject :NSO Class : Class 7

Read the given statements and mark the correct option.
Statement 1 :One complete to and fro motion of a clock's pendulum takes one second.
Statement 2 :Anything that occurs or appears at regular intervals can help us to measure time.

ABoth statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.

How is it b?

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Ans 1:

Daksh from RKC, Rajkot

Class : Class 8

It should be A, it is clearly mentioned clock pendulum , it has a definite time period and can be used to measure time

Ans 2:

Mayank from gyan niketan, patna

Class : Class 8

answer will be b because second statement is not correct explanation of first statement

Ans 3:

Mitesh from Shishya BEML Public School, Bengaluru

Class : Class 7

Yes, I absolutely agree with that

Ans 4:

Anusha from Sai international School , Bhubaneswar

Class : Class 10

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Chetan Datta Rajavaram from Meridian madhapur, Hyderabad

Subject :NSO Class : Class 4

Which of the following is NOT an example of evaporation?

ADrying of wet clothes hung on clothesline in sunlight
BGetting salt from sea water
CFormation of dew drops on leaves in early morning
DDrying up of a pond during drought

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Ans 1:

Adersh from Apeejay, Nerul

Class : Class 4

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