CSS[FPSC-U.S. Civil Service Commission]-USA/[USA] Current Affairs 2021 Set 11 Sample Test,Sample questions

Question:
1 tonne = ________ kg

1.100

2.400

3.1000

4.4000


Question:
A loudspeaker changes ______ energy into sound energy.

1.Chemical

2.Electrical

3.Light

4.Kinetic


Question:
All electromagnetic waves have the same

1.Frequency

2.Amplitude

3.Wavelength in vacuum

4.Speed in vacuum


Question:
An instrument used to measure atmospheric pressure is

1.Ammeter

2.Manometer

3.Galvanometer

4.Barometer


Question:
An instrument used to measure electric current is called

1.Ammeter

2.Barometer

3.Galvanometer

4.Manometer


Question:
An instrument used to measure gas pressure is

1.Ammeter

2.Manometer

3.Galvanometer

4.Barometer


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


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

1.Very short

2.Short

3.Very long

4.Long


Question:
Battery charger converts electrical energy into ______ energy.

1.Kinetic

2.Potential

3.Chemical

4.Nuclear


Question:
Battery was invented by

1.Nicolas Carnot

2.Alessandro Volta

3.Michael Faraday

4.Friedrich Bessel


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

1.10

2.12

3.15

4.17


Question:
Electromagnetic induction was discovered by

1.Nicolas Carnot

2.Alessandro Volta

3.Michael Faraday

4.Friedrich Bessel


Question:
Laser was invented by

1.Alessandro Volta

2.William Sturgeon

3.Hero of Alexandria

4.Theodore Maiman


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

1.Isomers

2.Isotopes

3.Atomic number

4.Mass number


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

1.1

2.3

3.5

4.7


Question:
Radioactivity was discovered by

1.Henri Becquerel

2.Pierre Curie

3.Marie Curie

4.Rutherford


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

1.pitches

2.echoes

3.frequencies

4.none of these


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

1.positive

2.negative

3.neutral

4.free


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


Question:
The chemical name of chalk is

1.Sodium nitrate

2.Zinc sulfate

3.Sulphuric acid

4.Calcium carbonate


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

1.0 – 5

2.5 – 10

3.5 – 70

4.10 – 70


Question:
The Earths internal heat mainly comes from

1.Liquid hydrogen

2.Chemical reactions

3.Radioactive decay

4.Molecular kinetic energy


Question:
The fact that universe is expanding was discovered by

1.Hahn

2.Hubble

3.Rontgen

4.Rutherford


Question:
The horizontal rows of the periodic table are called

1.Groups

2.Periods

3.Sets

4.Matrices


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

1.4

2.5

3.6

4.7


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

1.Solid

2.Liquid

3.Gas

4.Plasma


Question:
The outermost layer of the Earth is

1.Crust

2.Inner mantle

3.Outer mantle

4.Core


Question:
The reflection of sound is called

1.Frequency

2.Vibration

3.Echo

4.Wave


Question:
The science of lightning is called

1.Aerology

2.Meteorology

3.Electeorology

4.Fulminology


Question:
The shortest distance between crest to crest is called

1.phase

2.thoughs

3.amplitude

4.wavelength


Question:
The SI unit of thermodynamic temperature is

1.Celsius

2.Fahrenheit

3.Kelvin

4.None of these


Question:
The speed of sound is fastest in

1.Solids

2.Liquids

3.Gasses

4.Vacuum


Question:
The speed of sound is slowest in

1.Solids

2.Liquids

3.Gasses

4.Vacuum


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


Question:
The thickest layer of the Earth is

1.Crust

2.Inner core

3.Outer core

4.Mantle


Question:
The unit used to measure humidity is

1.Barometer

2.Hydrometer

3.Hygrometer

4.Galvanometer


Question:
The vernier calipers is used to measure

1.Length

2.Time

3.Temperature

4.Viscosity


Question:
The vertical columns of the periodic table are called

1.Groups

2.Periods

3.Sets

4.Matrices


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


Question:
We live on the Earths

1.Inner core

2.Outer core

3.Crust

4.Mantle


Question:
When gas is ionized, ________ forms.

1.Molecule

2.Element

3.Plasma

4.Current


Question:
Which electromagnetic wave has the longest wavelength?

1.Gamma rays

2.X-rays

3.Microwaves

4.Radio waves


Question:
Which electromagnetic wave has the shortest wavelength?

1.Gamma rays

2.X-rays

3.Microwaves

4.Radio waves


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


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


Question:
Which from the following has the greatest speed?

1.Alpha

2.Beta

3.Gamma

4.None of these


Question:
Which metallic element is liquid at room temperature?

1.Zinc

2.Nickel

3.Lead

4.Mercury


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

1.Bromine

2.Flourine

3.Chlorine

4.Phosphorous


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


Question:
Wind speed is measured by

1.Anemometer

2.Barometer

3.Ceilometer

4.Galvanometer


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