National Science Olympiad Forum By SOF Olympiad Trainer - Page 186

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AaradhyaPatel from Delhi Public School, Korba

Subject :NSO Class : Class 3

Milk is a complete food because it contains ________.

A Proteins
B Fats
C Vitamins and minerals
D All of these

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Ans 1:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

Ans 2:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

Ans 3:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

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Aryan Choudhary from bhartividya bhavansh, vadodara

Subject :NSO Class : Class 9

A plane mirror approaches a stationary person with an acceleration, a. The acceleration of his image, as seen by the person, will be

Aa
B2a
Ca/2
D4a

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

Subject :NSO Class : Class 1

Ravi saw a plant in his garden which had beautiful flowers. When he tried to pluck a flower, his finger was pricked. The plant could be _______.
A Dahlia
B Jasmine
C Rose
D Marigold

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Ans 1:

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

Class : Class 5

Ans 2:

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

Class : Class 5

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:

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

Class : Class 5

Ans 6:

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

Class : Class 5

Ans 7:

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

Class : Class 5

Ans 8:

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

Class : Class 5

Ans 9:

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

Class : Class 5

Ans 10:

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

Class : Class 5

Ans 11:

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

Class : Class 5

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pranavi from BVBPS, Hyderabad

Subject :NSO Class : Class 7

Preeti has collected some items from her kitchen :
i. Amla
ii. Baking soda
iii. Tamarind
iv. Soap
v. Lime water
vi.Common salt
vii.Sugar
She classified them as acidic, basic and neutral substances.
Which of the following classification is correct?

          Acidic              Basic                Neutral
A(i), (ii)            (iv), (vii)            (iii), (v), (vi)
B(iv), (vi)         (i), (ii), (iii)          (v), (vii)
C(i), (iii)          (ii), (v), (vi)          (iv), (vii)
D(i), (iii)          (ii), (iv), (v)          (vi), (vii)

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Ans 1:

Rangnath sharma from MOUT LITERA ZEE SCHOOL, PATNA

Class : Class 9

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Ananya Ojha from Delhi Public School, Noida

Subject :NSO Class : Class 2

Select the option that will correctly complete the word given in bold in the following statement.
We need to wear W_ _ L _ E _ clothes when temperature is low.

AOULN
BOOEN
COOLN
DOOLY

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Prisha bhuyan from Chirec international school, Hyderabad

Subject :NSO Class : Class 2

Which of the following products is made from the softest mineral?

A
B
C
D

what object is B

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Pranav from JSS Public School, Bengaluru

Subject :NSO Class : Class 9

There are two walls A and B which are 180 m apart from each other. A boy standing at 60 m away from wall A claps his hands once. If the speed of sound in air is 330 m s^-1, what is the time interval between the first and the second echo that he hears?

A 0.36 s
B 0.24 s
C 0.4 s
D 1 s

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Pranav from JSS Public School, Bengaluru

Subject :NSO Class : Class 9

The diagram shows the positions of the air particles due to propagation of sound, represented by straight lines, at a particular instant from P to Q.

Which of the following statements correctly depicts the pressure variation with respect to distance?

A The lines which are closed to one another represent rarefaction which is a low pressure region.
B The lines which are far apart from one another represent compression which is a low pressure region.
C The lines which are far apart from one another represent rarefaction which is high pressure region.
D The lines which are closed to one another represent compression which is a high pressure region.

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Pranav from JSS Public School, Bengaluru

Subject :NSO Class : Class 9

The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water and air will

A Be the same as that of the source
B Depend upon the velocity of the waves in these media
C Depend upon the wavelength of the waves in these media
D Depend upon the density of the media.

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Mohammad Ateeb Qaiser from DAV PUBLIC SCHOOL, WALMI COMPLEX, PHULWARI SHARIF , PATNA, patna

Subject :NSO Class : Class 1

Which of the following is a correct match?

	Animal	Type of food they eat
A	Eagle	Plants
B	Deer	Both plants and flesh of other animals
C	Mouse	Only flesh of other animals
D	Hen	Grains

THE ANSWER OF THIS QUESTION AS THE OPTION D IS WRONG

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