CSS%5BFPSC-U.S.%20Civil%20Service%20Commission%5D-USA/%5BUSA%5D%20Current%20Affairs%202021%20Set%2011 Sample Test,Sample questions

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Question: 
1 tonne = ________ kg

1.100

2.400

3.1000

4.4000

Posted Date:-2021-07-22 11:21:01

Question: 
A loudspeaker changes ______ energy into sound energy.

1.Chemical

2.Electrical

3.Light

4.Kinetic

Posted Date:-2021-07-22 11:21:01

Question: 
All electromagnetic waves have the same

1.Frequency

2.Amplitude

3.Wavelength in vacuum

4.Speed in vacuum

Posted Date:-2021-07-22 11:21:01

Question: 
An instrument used to measure atmospheric pressure is

1.Ammeter

2.Manometer

3.Galvanometer

4.Barometer

Posted Date:-2021-07-22 11:21:01

Question: 
An instrument used to measure electric current is called

1.Ammeter

2.Barometer

3.Galvanometer

4.Manometer

Posted Date:-2021-07-22 11:21:01

Question: 
An instrument used to measure gas pressure is

1.Ammeter

2.Manometer

3.Galvanometer

4.Barometer

Posted Date:-2021-07-22 11:21:01

Question: 
At night

1.The land cools faster than the water in the sea

2.The water in the sea cools faster than the land

3.The land and the water in the sea cools together

4.None of these

Posted Date:-2021-07-22 11:21:01

Question: 
Atomic clock is used to measure ______ intervals of time.

1.Very short

2.Short

3.Very long

4.Long

Posted Date:-2021-07-22 11:21:01

Question: 
Battery charger converts electrical energy into ______ energy.

1.Kinetic

2.Potential

3.Chemical

4.Nuclear

Posted Date:-2021-07-22 11:21:01

Question: 
Battery was invented by

1.Nicolas Carnot

2.Alessandro Volta

3.Michael Faraday

4.Friedrich Bessel

Posted Date:-2021-07-22 11:21:01

Question: 
Earths troposphere extends from the Earths surface to an average height of about ________ km.

1.10

2.12

3.15

4.17

Posted Date:-2021-07-22 11:21:01

Question: 
Electromagnetic induction was discovered by

1.Nicolas Carnot

2.Alessandro Volta

3.Michael Faraday

4.Friedrich Bessel

Posted Date:-2021-07-22 11:21:01

Question: 
Laser was invented by

1.Alessandro Volta

2.William Sturgeon

3.Hero of Alexandria

4.Theodore Maiman

Posted Date:-2021-07-22 11:21:01

Question: 
Molecules with identical molecular formulae but with different structural formulae are called

1.Isomers

2.Isotopes

3.Atomic number

4.Mass number

Posted Date:-2021-07-22 11:21:01

Question: 
On average, Air contains ________ % of water vapours.

1.1

2.3

3.5

4.7

Posted Date:-2021-07-22 11:21:01

Question: 
Radioactivity was discovered by

1.Henri Becquerel

2.Pierre Curie

3.Marie Curie

4.Rutherford

Posted Date:-2021-07-22 11:21:01

Question: 
Ships use ________ to find the depth of the ocean beneath them.

1.pitches

2.echoes

3.frequencies

4.none of these

Posted Date:-2021-07-22 11:21:01

Question: 
The anode is the electrode connected to the ________ terminal of a battery.

1.positive

2.negative

3.neutral

4.free

Posted Date:-2021-07-22 11:21:01

Question: 
The branch of science which study the interaction between matter and radiant energy is called

1.Thermochemistry

2.Polymer chemistry

3.Spectroscopy

4.Electrochemistry

Posted Date:-2021-07-22 11:21:01

Question: 
The chemical name of chalk is

1.Sodium nitrate

2.Zinc sulfate

3.Sulphuric acid

4.Calcium carbonate

Posted Date:-2021-07-22 11:21:01

Question: 
The Earths crust ranges from ________ km in depth.

1.0 – 5

2.5 – 10

3.5 – 70

4.10 – 70

Posted Date:-2021-07-22 11:21:01

Question: 
The Earths internal heat mainly comes from

1.Liquid hydrogen

2.Chemical reactions

3.Radioactive decay

4.Molecular kinetic energy

Posted Date:-2021-07-22 11:21:01

Question: 
The fact that universe is expanding was discovered by

1.Hahn

2.Hubble

3.Rontgen

4.Rutherford

Posted Date:-2021-07-22 11:21:01

Question: 
The horizontal rows of the periodic table are called

1.Groups

2.Periods

3.Sets

4.Matrices

Posted Date:-2021-07-22 11:21:01

Question: 
The interior structure of the Earth is divided into ________ layers.

1.4

2.5

3.6

4.7

Posted Date:-2021-07-22 11:21:01

Question: 
The most abundant form of matter in the universe is

1.Solid

2.Liquid

3.Gas

4.Plasma

Posted Date:-2021-07-22 11:21:01

Question: 
The outermost layer of the Earth is

1.Crust

2.Inner mantle

3.Outer mantle

4.Core

Posted Date:-2021-07-22 11:21:01

Question: 
The reflection of sound is called

1.Frequency

2.Vibration

3.Echo

4.Wave

Posted Date:-2021-07-22 11:21:01

Question: 
The science of lightning is called

1.Aerology

2.Meteorology

3.Electeorology

4.Fulminology

Posted Date:-2021-07-22 11:21:01

Question: 
The shortest distance between crest to crest is called

1.phase

2.thoughs

3.amplitude

4.wavelength

Posted Date:-2021-07-22 11:21:01

Question: 
The SI unit of thermodynamic temperature is

1.Celsius

2.Fahrenheit

3.Kelvin

4.None of these

Posted Date:-2021-07-22 11:21:01

Question: 
The speed of sound is fastest in

1.Solids

2.Liquids

3.Gasses

4.Vacuum

Posted Date:-2021-07-22 11:21:01

Question: 
The speed of sound is slowest in

1.Solids

2.Liquids

3.Gasses

4.Vacuum

Posted Date:-2021-07-22 11:21:01

Question: 
The strongest part(s) of a magnet is/are

1.North pole

2.South pole

3.North and south pole

4.Median of north and south pole

Posted Date:-2021-07-22 11:21:01

Question: 
The thickest layer of the Earth is

1.Crust

2.Inner core

3.Outer core

4.Mantle

Posted Date:-2021-07-22 11:21:01

Question: 
The unit used to measure humidity is

1.Barometer

2.Hydrometer

3.Hygrometer

4.Galvanometer

Posted Date:-2021-07-22 11:21:01

Question: 
The vernier calipers is used to measure

1.Length

2.Time

3.Temperature

4.Viscosity

Posted Date:-2021-07-22 11:21:01

Question: 
The vertical columns of the periodic table are called

1.Groups

2.Periods

3.Sets

4.Matrices

Posted Date:-2021-07-22 11:21:01

Question: 
There are different seasons on the Earth because of

1.Rotation of the Earth

2.Revolution of the Earth

3.The Earths axis is tilted

4.The Earths distance from the Sun

Posted Date:-2021-07-22 11:21:01

Question: 
We live on the Earths

1.Inner core

2.Outer core

3.Crust

4.Mantle

Posted Date:-2021-07-22 11:21:01

Question: 
When gas is ionized, ________ forms.

1.Molecule

2.Element

3.Plasma

4.Current

Posted Date:-2021-07-22 11:21:01

Question: 
Which electromagnetic wave has the longest wavelength?

1.Gamma rays

2.X-rays

3.Microwaves

4.Radio waves

Posted Date:-2021-07-22 11:21:01

Question: 
Which electromagnetic wave has the shortest wavelength?

1.Gamma rays

2.X-rays

3.Microwaves

4.Radio waves

Posted Date:-2021-07-22 11:21:01

Question: 
Which from the following has the greatest ionizing power?

1.Alpha particles

2.Beta particles

3.Gamma rays

4.All three has same ionizing power

Posted Date:-2021-07-22 11:21:01

Question: 
Which from the following has the greatest penetrating power?

1.Alpha particles

2.Beta particles

3.Gamma rays

4.All three have same penetrating power

Posted Date:-2021-07-22 11:21:01

Question: 
Which from the following has the greatest speed?

1.Alpha

2.Beta

3.Gamma

4.None of these

Posted Date:-2021-07-22 11:21:01

Question: 
Which metallic element is liquid at room temperature?

1.Zinc

2.Nickel

3.Lead

4.Mercury

Posted Date:-2021-07-22 11:21:01

Question: 
Which non-metallic element is liquid at room temperature?

1.Bromine

2.Flourine

3.Chlorine

4.Phosphorous

Posted Date:-2021-07-22 11:21:01

Question: 
Wind is caused by

1.Difference in atmospheric pressure

2.Difference in atmospheric temperature

3.Rotation of the Earth

4.Revolution of the Earth

Posted Date:-2021-07-22 11:21:01

Question: 
Wind speed is measured by

1.Anemometer

2.Barometer

3.Ceilometer

4.Galvanometer

Posted Date:-2021-07-22 11:21:01

Posted on by R4R Team

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