Recent questions in Olympiad-Science

Why are lightning arresters placed at the apex of the structures ?

asked Nov 9, 2017 by priyanka.c

1 answer

What happens when electrons are exchanged through a contact like rubbing ?

asked Nov 9, 2017 by priyanka.c

1 answer

When two surfaces offer high resistance then the fluid friction is known as _________

asked Nov 9, 2017 by priyanka.c

1 answer

Where does a fluid friction occur ?

asked Nov 9, 2017 by priyanka.c

1 answer

What is the friction on a body just before it starts moving called ?

asked Nov 9, 2017 by priyanka.c

1 answer

The nature of chemical bonding between the atoms of a compound decides the creation of ________ in a solution.

asked Nov 9, 2017 by priyanka.c

1 answer

Calculate the pressure exerted by a table whose area is$10m^2$ and the force on the table is a constant force of $100 N.$

asked Nov 9, 2017 by priyanka.c

1 answer

Rahul plays with 5 litre water can by putting holes in it at various levels vertically. Let's name the holes as 1, 2, 3, 4 respectively starting from the mouth of the water can to the bottom line. Now if the can is filled with water, which one hole will exert the water with high pressure ?

asked Nov 9, 2017 by priyanka.c

1 answer

Which of the following are due to force?

asked Nov 9, 2017 by priyanka.c

1 answer

What is the formula used to calculate the number of image formed by multiple reflection ?

asked Nov 9, 2017 by priyanka.c

1 answer

Which kind of vision is supported by the optic nerves called rods?

asked Nov 9, 2017 by priyanka.c

1 answer

Which among the following is not a terrestrial planet ?

asked Nov 9, 2017 by priyanka.c

1 answer

How many planets are there in our solar system ?

asked Nov 9, 2017 by priyanka.c

1 answer

Which gas is converted in the cores of stars while giving out energy?

asked Nov 9, 2017 by priyanka.c

1 answer

What is pitch of the sound ?

asked Nov 9, 2017 by priyanka.c

1 answer

Herbivores have

asked Nov 9, 2017 by meena.p

1 answer

Identify the pulse group in the following.

asked Nov 9, 2017 by meena.p

1 answer

In a desert region , besides goat, which other animal is a source of milk?

asked Nov 9, 2017 by meena.p

1 answer

What is incineration?

asked Nov 9, 2017 by meena.p

1 answer

Which of these is a biodegradable waste?

asked Nov 9, 2017 by meena.p

1 answer

There would be no food for animals if the air did not contain

asked Nov 9, 2017 by meena.p

3 answers

In nature, water evaporates

asked Nov 9, 2017 by meena.p

1 answer

Clouds are

asked Nov 9, 2017 by meena.p

1 answer

In which of the following activities will you use minimum amount of water?

asked Nov 9, 2017 by meena.p

1 answer

Which of the following retains magnetism for a long time?

asked Nov 9, 2017 by meena.p

1 answer

What happens when a bar magnet is suspended feely?

asked Nov 9, 2017 by meena.p

1 answer

Preetha is running short of electric wires. To complete the electric circuit, she may use a

asked Nov 9, 2017 by meena.p

1 answer

Choose the correct statement

asked Nov 9, 2017 by meena.p

1 answer

The filament in the light bulb is made up of

asked Nov 9, 2017 by meena.p

1 answer

Two students while sitting across a table looked down on to its top surface. They noticed that they could see their and each others image. The table top is likely to be made up of

asked Nov 9, 2017 by meena.p

1 answer

A student observes the tree given in the figure through a pin hole camera . which of the diagrams give (a) to (d) depicts the image seen by him correctly?

asked Nov 9, 2017 by meena.p

1 answer

We are able to see an illuminated object because it

asked Nov 9, 2017 by meena.p

1 answer

Movement of pendulum of a clock is

asked Nov 9, 2017 by meena.p

1 answer

The unit that is used to measure the distance between Tambaram to Adyar is

asked Nov 9, 2017 by meena.p

1 answer

10 millimeter= _____ cm

asked Nov 9, 2017 by meena.p

1 answer

Earthworms breathe through their

asked Nov 9, 2017 by meena.p

1 answer

Biotic components include

asked Nov 9, 2017 by meena.p

1 answer

What is the habitat of sharks?

asked Nov 9, 2017 by meena.p

1 answer

The joint that allows movement in one direction only

asked Nov 9, 2017 by meena.p

1 answer

The main functions of a skeleton are

asked Nov 9, 2017 by meena.p

1 answer

Two bones are held together by tissue called

asked Nov 9, 2017 by meena.p

1 answer

The female part of the flower is

asked Nov 9, 2017 by meena.p

1 answer

Why is sound not audible in vacuum medium ?

asked Nov 9, 2017 by priyanka.c

1 answer

Prop roots are found in

asked Nov 9, 2017 by meena.p

1 answer

Which of the following is the cause for earthquake ?

asked Nov 9, 2017 by priyanka.c

1 answer

Food conducting tubes are called

asked Nov 9, 2017 by meena.p

1 answer

What is the device that is used to measure the magnitude of the force acting on an object called?

asked Nov 9, 2017 by priyanka.c

1 answer

An irreversible change among the following is

asked Nov 9, 2017 by meena.p

1 answer

Melting of ice is

asked Nov 9, 2017 by meena.p

1 answer

What is the force that refrains one solid surface from sliding across another solid surface called ?

asked Nov 9, 2017 by priyanka.c

1 answer

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