CSS[FPSC-U.S. Civil Service Commission]-USA/[USA] Current Affairs 2021 Set 10 Sample Test,Sample questions

Question:
A battery converts ________ into electrical energy.

1.Potential energy

2.Chemical energy

3.Nuclear energy

4.Mechanical energy

Posted Date:-2021-07-22 10:58:49


Question:
Absolute zero, which is the lower limit of the thermodynamic temperature scale, is equivalent to ________ on the Celsius scale.

1.273 °C

2.0 °C

3.100 °C

4.973 °C

Posted Date:-2021-07-22 10:58:49


Question:
Battery was invented by

1.Volta

2.Hero

3.Fermi

4.Maiman

Posted Date:-2021-07-22 10:58:49


Question:
Between the melting point and boiling point of a substance, the substance is a?

1.Solid

2.Liquid

3.Gas

4.Crystal

Posted Date:-2021-07-22 10:58:49


Question:
Bronze is an alloy of

1.Iron, Carbon

2.Copper, Tin

3.Nickel, Zinc

4.Mercury, Lead

Posted Date:-2021-07-22 10:58:49


Question:
Current is the flow of

1.Electrons

2.Protons

3.Neutrons

4.Voltage

Posted Date:-2021-07-22 10:58:49


Question:
Electrons were discovered by

1.James Chadwick

2.J.J. Thomson

3.F.W. Aston

4.Rutherford

Posted Date:-2021-07-22 10:58:49


Question:
Energy can be converted from one form to another, but all energy ends up as

1.Kinetic energy

2.Potential energy

3.Heat energy

4.Chemical energy

Posted Date:-2021-07-22 10:58:49


Question:
he average salinity of the Earths oceans in 1 kilogram of sea water is about ________ grams of salt.

1.90

2.25

3.30

4.35

Posted Date:-2021-07-22 10:58:49


Question:
he Earths atmosphere is divided into ________ main layers.

1.4

2.5

3.6

4.1

Posted Date:-2021-07-22 10:58:49


Question:
Marble and slate are examples of

1.igneous rocks

2.metamorphic rocks

3.sedimentary rocks

4.crystals

Posted Date:-2021-07-22 10:58:49


Question:
Mass Spectrograph was invented by

1.Einstein

2.James Chadwick

3.F.W. Aston

4.Rutherford

Posted Date:-2021-07-22 10:58:49


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

1.Isotopes

2.Isomers

3.Electrode

4.Compound

Posted Date:-2021-07-22 10:58:49


Question:
Molten rock above the surface of the Earth is called?

1.Lava

2.Magma

3.Crystals

4.Granite

Posted Date:-2021-07-22 10:58:49


Question:
Molten rock below the surface of the Earth is called?

1.Lava

2.Magma

3.Crystals

4.Granite

Posted Date:-2021-07-22 10:58:49


Question:
Neutrons were discovered by

1.Einstein

2.James Chadwick

3.F.W. Aston

4.Rutherford

Posted Date:-2021-07-22 10:58:49


Question:
Nucleus was discovered by

1.Einstein

2.James Chadwick

3.F.W. Aston

4.Rutherford

Posted Date:-2021-07-22 10:58:49


Question:
One way of transfer of heat energy is convection which occurs in

1.Liquids only

2.Gasses only

3.Liquids and gasses

4.Liquids, gasses and solids

Posted Date:-2021-07-22 10:58:49


Question:
Rocks which are formed by high temperature and pressure on existing rocks over a period of time are called ________ rocks.

1.igneous

2.metamorphic

3.sedimentary

4.crystal

Posted Date:-2021-07-22 10:58:49


Question:
Salty water can be made pure by the method of

1.filtration

2.evaporation

3.chromatography

4.distillation

Posted Date:-2021-07-22 10:58:49


Question:
Sandstone and limestone are examples of

1.igneous rocks

2.metamorphic rocks

3.sedimentary rocks

4.crystals

Posted Date:-2021-07-22 10:58:49


Question:
The boiling point of alcohol is

1.78 °C

2.86 °C

3.94 °C

4.100 °C

Posted Date:-2021-07-22 10:58:49


Question:
The diameter of the Earths equator is larger than the pole-to-pole diameter by

1.40 km

2.43 km

3.46 km

4.49 km

Posted Date:-2021-07-22 10:58:49


Question:
The Earths atmosphere is divided into ________ layers.

1.4

2.5

3.6

4.7

Posted Date:-2021-07-22 10:58:49


Question:
The entropy of the universe is

1.Increasing

2.Decreasing

3.Constant

4.None of these

Posted Date:-2021-07-22 10:58:49


Question:
The fresh water on the Earth is ________ of the total water.

1.2.50%

2.5%

3.7.50%

4.10%

Posted Date:-2021-07-22 10:58:49


Question:
The key factor in determining the weather is the quantity of ________ in the atmosphere

1.Water vapour

2.Oxygen

3.Carbon dioxide

4.Hydrogen

Posted Date:-2021-07-22 10:58:49


Question:
The mass is highly concentrated form of

1.Weight

2.Energy

3.Force

4.Momentum

Posted Date:-2021-07-22 10:58:49


Question:
The metal which is liquid at room temperature is?

1.Zinc

2.Nickel

3.Lead

4.Mercury

Posted Date:-2021-07-22 10:58:49


Question:
The most abundant element in the earths crust is oxygen. The second most abundant element in the earths crust is

1.Hydrogen

2.Nitrogen

3.Brass

4.Silicon

Posted Date:-2021-07-22 10:58:49


Question:
The most abundant substance that constitutes the mass of the Earth is?

1.Iron

2.Oxygen

3.Nitrogen

4.Silicon

Posted Date:-2021-07-22 10:58:49


Question:
The nearest planet to the Sun is

1.Mercury

2.Venus

3.Mars

4.Jupiter

Posted Date:-2021-07-22 10:58:49


Question:
The ozone layer is at height of ________ kilometers from the surface of the Earth.

1.10 to 20

2.20 to 30

3.30 to 40

4.40 to 50

Posted Date:-2021-07-22 10:58:49


Question:
The Ozone Layer lies in the

1.troposphere

2.stratosphere

3.mesosphere

4.thermosphere

Posted Date:-2021-07-22 10:58:49


Question:
The ozone layer was discovered by

1.F.W. Aston and J.J Thomson

2.Albert Einstein

3.Rutherford

4.Charles Fabry and Henri Buisson

Posted Date:-2021-07-22 10:58:49


Question:
The Tectonic Plates of the Earth lies in

1.Inner Core

2.Outer Core

3.Lithosphere

4.Asthenosphere

Posted Date:-2021-07-22 10:58:49


Question:
The unit of current is

1.Volt

2.Ampere

3.Ohm

4.Watt

Posted Date:-2021-07-22 10:58:49


Question:
The unit of efficiency is

1.Volt

2.Watt

3.Joules

4.None of these

Posted Date:-2021-07-22 10:58:49


Question:
The visible cloud of dust and gas in space is called?

1.White Dwarf

2.Supernova

3.Nebula

4.Galaxy

Posted Date:-2021-07-22 10:58:49


Question:
The whole Earth can be covered by ________ geo-stationary satellites.

1.3

2.4

3.5

4.6

Posted Date:-2021-07-22 10:58:49


Question:
There are ________ major tectonic plates.

1.45

2.5

3.6

4.7

Posted Date:-2021-07-22 10:58:49


Question:
To prevent electric shocks, a/an ________ is placed in the circuit.

1.Ammeter

2.Voltmeter

3.Fuse

4.Diode

Posted Date:-2021-07-22 10:58:49


Question:
When molten rock cools and solidifies, the ________ are formed.

1.igneous rocks

2.sedimentary rocks

3.metamorphic rocks

4.none of these

Posted Date:-2021-07-22 10:58:49


Question:
Which from the following is incompressible?

1.Solids

2.Liquids

3.Gasses

4.All are compressible

Posted Date:-2021-07-22 10:58:49


Question:
Which from the following is NOT a non-renewable energy resource?

1.Coal

2.Natural gas

3.Nuclear

4.Geothermal

Posted Date:-2021-07-22 10:58:49


Question:
Which from the following is NOT a renewable energy resource?

1.Geothermal

2.Biomass

3.Solar

4.Nuclear

Posted Date:-2021-07-22 10:58:49


Question:
Which from the following is NOT a stored energy?

1.Thermal

2.Gravitational

3.Elastic potential energy

4.Chemical

Posted Date:-2021-07-22 10:58:49


Question:
Which from the following methods of heat transfer can take place in a vacuum?

1.Conduction

2.Convection

3.Radiation

4.All of the above

Posted Date:-2021-07-22 10:58:49


Question:
Which is the process of science?

1.Observation > Experiments > Hypothesis

2.Hypothesis > Observations > Experiments

3.Observation > Hypothesis > Experiments

4.Experiments > Observations > Hypothesis

Posted Date:-2021-07-22 10:58:49


Question:
Which type of rock may contain fossils?

1.Igneous

2.Metamorphic

3.Sedimentary

4.Crystals

Posted Date:-2021-07-22 10:58:49


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