National Science Olympiad Forum By SOF Olympiad Trainer

Anvi Shukla from Vydehi School of Excellence, Bengaluru

Subject :NSO Class : Class 5

When we will get NSO Result?

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sarthakahuja from Pathways School Gurgaon, Gurgaon

Subject :NSO Class : Class 9

A driver takes 0.20 s to apply brakes soon after he sees a need for it. If he is driving a car at a speed of 54 km h^-1 and the brakes cause a deceleration of 6.0 m s^-2, then the distance travelled by the car, after he sees the need to apply the brakes is ______.

A21.75 m
B42.50 m
C10.55 m
D16.25 m

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Darsh singh from Delhi public school, Nagpur

Subject :NSO Class : Class 9

Read the given statements and select the correct option.
Statement 1 : If we push a massive truck parked along the roadside, it will not move.
Statement 2 : Two opposite and equal forces acted on two bodies in contact cancel each other.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.

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Bansari modi from School of achiever, Kudasan

Subject :NSO Class : Class 8

Read the given paragraph where few words have been italicised. Make changes (wherever necessary) and select the incorrect option. Dolly was developed from a cell taken from mammary gland of Scottish black face ewe and unfertilised egg cell of Finn Dorsett sheep. Both the cells were fused after removing the plasma membrane from the unfertilised egg cell. Embryo was then implanted into the uterus of the sheep from which unfertilised egg was taken. It developed into baby sheep Dolly.

AMammary gland should not be changed as it is correctly mentioned.
BPosition of Scottish blackface ewe and Finn Dorsett sheep should be interchanged.
CPlasma membrane must be changed to nucleus.
DNone of these

Here why the answer is option d

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Shourya from Euro, Bangalore

Subject :NSO Class : Class 4

The sweet milk is a ________ of sugar in milk. The sugar is called the ______. The milk that dissolves the sugar is called the ________. Select the correct sequence of words to complete the above passage.

ASolution, Solvent, Solute
BSolution, Solute, Solvent
CSolute, Solvent, Solution
DSolvent, Solute, Solution

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Ans 1:

SUPRABHO DUTTA from PODAR INTERNATIONAL SCHOOL , GANDHINAGAR

Class : Class 4

d

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Adrija jha from Baldwin girls high school, Banglore

Subject :NSO Class : Class 5

What makes us human? explain in detail

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Vihaan from Dhirubhai Ambani International School, Mumbai

Subject :NSO Class : Class 5

Metal strips P and Q are joined together to form a bimetallic strip as shown in the figure.

If metal P expands more than metal Q on heating, then which of the following options correctly shows the shape of bimetallic strip after heating?

A
B
C
D

A

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Ans 1:

Rupkatha Bhattacharyya from Ashok hall girls high school, KOLKATA

Class : Class 7

Ans 2:

Purohit Mohit Viralbhai from SDA higher secondary school, ahemdabad

Class : Class 8

Yes A is the right answer

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Shourya from Euro, Bangalore

Subject :NSO Class : Class 4

Which statement is INCORRECT for sandy soil?

AIt has large particles with lots of spaces between them.
BIt cannot hold much water.
CIt is good for plant growth.
DIt is very rough to touch and contains sand.

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Ans 1:

B Sahanaa from Velammal Vidyalaya Avadi, Chennai

Class : Class 3

C

Ans 2:

PAANINIDHEE CHATURVEDI from Delhi Public School, Noida

Class : Class 4

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Rudranksh Chiranjib Guha from Sri Sri Ravishankar Vidya Mandir, Mulund, Mumbai

Subject :NSO Class : Class 1

Which of the following is a correct statement ?

ABe careful on a rainy day as the roads are slippery.
BOn the road, always walk on your right side.
CIt is good to put your hand out of the window of a moving bus.
DNone of these