Everyday Science PPSC Most Important MCQs

Everyday Scinece Past Papers most important Objective type MCQs quiz tests learn here. All of these MCQs are helpful for exams and upcoming jobs tests of PPSC, FPSC, CSS, PMS, NTS, PTS, OTS, ACCA, MCAT, ECAT, GAT, Nust, Army jobs, Medical jobs and many other jobs tests preparations MCQs with solved answers.

Most repeated and mostly asked question answers for Public Service Commission Government Jobs tests MCQs learn here. these MCQs are important and very helpful for upcoming tests.

Q.1: 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

C

Q.2: Which from the following is incompressible?

1. Solids
2. Liquids
3. Gasses
4. All are compressible

B

Q.3: The key factor in determining the weather is the quantity of -------- in the atmosphere?

1. Water vapour
2. Oxygen
3. Carbon dioxide
4. Hydrogen

A

Q.4: The entropy of the universe is?

1. Increasing
2. Decreasing
3. Constant
4. None of these

A

Q.5: 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

C

Q.6: Neutrons were discovered by?

1. Einstein
2. James Chadwick
3. F.W. Aston
4. Rutherford

B

Q.7: Mass Spectrograph was invented by?

1. Einstein
2. James Chadwick
3. F.W. Aston
4. Rutherford

C

Q.8: Nucleus was discovered by?

1. Einstein
2. James Chadwick
3. F.W. Aston
4. Rutherford

D

Q.9: Which is the process of science?

1. Observation > Experiments > Hypothesis
2. Hypothesis > Observations > Experiments
3. Observation > Hypothesis > Experiments
4. Experiments > Observations > Hypothesis

C

Q.10: Salty water can be made pure by the method of?

1. filtration
2. evaporation
3. chromatography
4. distillation

B

Q.11: The unit of efficiency is?

1. Volt
2. Watt
3. Joules
4. None of these

D

Q.12: Which from the following is NOT a stored energy?

1. Thermal
2. Gravitational
3. Elastic potential energy
4. Chemical

A

Q.13: 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

C

Q.14: A battery converts -------- into electrical energy?

1. Potential energy
2. Chemical energy
3. Nuclear energy
4. Mechanical energy

B

Q.15: Which from the following is NOT a renewable energy resource?

1. Geothermal
2. Biomass
3. Solar
4. Nuclear

D

Q.16: Which from the following is NOT a non-renewable energy resource?

1. Coal
2. Natural gas
3. Nuclear
4. Geothermal

D

Q.17: Current is the flow of?

1. Electrons
2. Protons
3. Neutrons
4. Voltage

A

Q.18: The unit of current is?

1. Volt
2. Ampere
3. Ohm
4. Watt

B

Q.19: To prevent electric shocks, a/an -------- is placed in the circuit?

1. Ammeter
2. Voltmeter
3. Fuse
4. Diode

C

Q.20: Electrons were discovered by?

1. James Chadwick
2. J.J. Thomson
3. F.W. Aston
4. Rutherford

B

Q.21: When molten rock cools and solidifies, the -------- are formed?

1. igneous rocks
2. sedimentary rocks
3. metamorphic rocks
4. none of these

A

Q.22: Molten rock below the surface of the Earth is called?

1. Lava
2. Magma
3. Crystals
4. Granite

B

Q.23: Molten rock above the surface of the Earth is called?

1. Lava
2. Magma
3. Crystals
4. Granite

A

Q.24: The metal which is liquid at room temperature is?

1. Zinc
2. Nickel
3. Lead
4. Mercury

D

Q.25: Between the melting point and boiling point of a substance, the substance is a?

1. Solid
2. Liquid
3. Gas
4. Crystal

B

Q.26: The boiling point of alcohol is?

1. 78 °C
2. 86 °C
3. 94 °C
4. 100 °C

A

Q.27: The visible cloud of dust and gas in space is called?

1. White Dwarf
2. Supernova
3. Nebula
4. Galaxy

C

Q.28: The average salinity of the Earth’s oceans in 1 kilogram of sea water is about -------- grams of salt?

1. 90
2. 25
3. 30
4. 35

D

Q.29: The most abundant substance that constitutes the mass of the Earth is?

1. Iron
2. Oxygen
3. Nitrogen
4. Silicon

A

Q.30: The Earth’s atmosphere is divided into -------- main layers?

1. 4
2. 5
3. 6
4. 7

B

Q.31: 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

B

Q.32: Marble and slate are examples of?

1. igneous rocks
2. metamorphic rocks
3. sedimentary rocks
4. crystals

B

Q.33: Sandstone and limestone are examples of?

1. igneous rocks
2. metamorphic rocks
3. sedimentary rocks
4. crystals

C

Q.34: 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

A

Q.35: The diameter of the Earth’s equator is larger than the pole-to-pole diameter by?

1. 40 km
2. 43 km
3. 46 km
4. 49 km

B

Q.36: The Tectonic Plates of the Earth lies in?

1. Inner Core
2. Outer Core
3. Lithosphere
4. Asthenosphere

C

Q.37: There are -------- major tectonic plates?

1. 4
2. 5
3. 6
4. 7

D

Q.38: The fresh water on the Earth is -------- of the total water?

1. 2.5%
2. 5%
3. 7.5%
4. 10%

A

Q.39: The Ozone Layer lies in the?

1. troposphere
2. stratosphere
3. mesosphere
4. thermosphere

B

Q.40: The Earth’s atmosphere is divided into -------- layers?

1. 4
2. 5
3. 6
4. 7

B

Q.41: Which type of rock may contain fossils?

1. Igneous
2. Metamorphic
3. Sedimentary
4. Crystals

C

Q.42: The mass is highly concentrated form of?

1. Weight
2. Energy
3. Force
4. Momentum

B

Q.43: The whole Earth can be covered by -------- geo-stationary satellites?

1. 3
2. 4
3. 5
4. 6

A

Q.44: 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

B

Q.45: 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

D

Q.46: The interior structure of the Earth is divided into -------- layers?

1. 4
2. 5
3. 6
4. 7

B

Q.47: We live on the Earth’s?

1. Inner core
2. Outer core
3. Crust
4. Mantle

C

Q.48: The thickest layer of the Earth is?

1. Crust
2. Inner core
3. Outer core
4. Mantle

D

Q.49: The outermost layer of the Earth is?

1. Crust
2. Inner mantle
3. Outer mantle
4. Core

A

Q.50: The Earth’s crust ranges from -------- km in depth?

1. 0 – 5
2. 5 – 10
3. 5 – 70
4. 10 – 70

C

Q.51: The Earth’s internal heat mainly comes from?

1. Liquid hydrogen
2. Chemical reactions
3. Radioactive decay
4. Molecular kinetic energy

C

Q.52: There are different seasons on the Earth because of?

1. Rotation of the Earth
2. Revolution of the Earth
3. The Earth’s axis is tilted
4. The Earth’s distance from the Sun

C

Q.53: On average, Air contains -------- % of water vapours?

1. 1
2. 3
3. 5
4. 7

A

Q.54: Earth’s troposphere extends from the Earth’s surface to an average height of about -------- km?

1. 10
2. 12
3. 15
4. 17

B

Q.55: The science of lightning is called?

1. Aerology
2. Meteorology
3. Electeorology
4. Fulminology

D

Q.56: Ships use -------- to find the depth of the ocean beneath them?

1. pitches
2. echoes
3. frequencies
4. none of these

B

Q.57: Molecules with identical molecular formulae but with different structural formulae are called?

1. Isomers
2. Isotopes
3. Atomic number
4. Mass number

A

Q.58: The anode is the electrode connected to the -------- terminal of a battery?

1. positive
2. negative
3. neutral
4. free

A

Q.59: The unit used to measure humidity is?

1. Barometer
2. Hydrometer
3. Hygrometer
4. Galvanometer

C

Q.60: Laser was invented by?

1. Alessandro Volta
2. William Sturgeon
3. Hero of Alexandria
4. Theodore Maiman

D

Q.61: The vernier calipers is used to measure?

1. Length
2. Time
3. Temperature
4. Viscosity

A

Q.62: Atomic clock is used to measure ------ intervals of time?

1. Very short
2. Short
3. Very long
4. Long

A

Q.63: 1 tonne = -------- kg?

1. 100
2. 400
3. 1000
4. 4000

C

Q.64: An instrument used to measure atmospheric pressure is?

1. Ammeter
2. Manometer
3. Galvanometer
4. Barometer

D

Q.65: An instrument used to measure gas pressure is?

1. Ammeter
2. Manometer
3. Galvanometer
4. Barometer

B

Q.66: Which electromagnetic wave has the longest wavelength?

1. Gamma rays
2. X-rays
3. Microwaves
4. Radio waves

D

Q.67: Which electromagnetic wave has the shortest wavelength?

1. Gamma rays
2. X-rays
3. Microwaves
4. Radio waves

A

Q.68: All electromagnetic waves have the same?

1. Frequency
2. Amplitude
3. Wavelength in vacuum
4. Speed in vacuum

D

Q.69: The reflection of sound is called?

1. Frequency
2. Vibration
3. Echo
4. Wave

C

Q.70: An instrument used to measure electric current is called?

1. Ammeter
2. Barometer
3. Galvanometer
4. Manometer

A

Q.71: The SI unit of thermodynamic temperature is?

1. Celsius
2. Fahrenheit
3. Kelvin
4. None of these

C

Q.72: The shortest distance between crest to crest is called?

1. phase
2. thoughs
3. amplitude
4. wavelength

D

Q.73: The speed of sound is fastest in?

1. Solids
2. Liquids
3. Gasses
4. Vacuum

A

Q.74: The speed of sound is slowest in?

1. Solids
2. Liquids
3. Gasses
4. Vacuum

C

Q.75: Radioactivity was discovered by?

1. Henri Becquerel
2. Pierre Curie
3. Marie Curie
4. Rutherford

A

Q.76: 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

A

Q.77: 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

C

Q.78: Which from the following has the greatest speed?

1. Alpha
2. Beta
3. Gamma
4. None of these

C

Q.79: 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

A

Q.80: The chemical name of chalk is?

1. Sodium nitrate
2. Zinc sulfate
3. Sulphuric acid
4. Calcium carbonate

D

Q.81: The branch of science which study the interaction between matter and radiant energy is called?

1. Thermochemistry
2. Polymer chemistry
3. Spectroscopy
4. Electrochemistry

C

Q.82: The horizontal rows of the periodic table are called?

1. Groups
2. Periods
3. Sets
4. Matrices

B

Q.83: The vertical columns of the periodic table are called?

1. Groups
2. Periods
3. Sets
4. Matrices

A

Q.84: Which metallic element is liquid at room temperature?

1. Zinc
2. Nickel
3. Lead
4. Mercury

D

Q.85: Which non-metallic element is liquid at room temperature?

1. Bromine
2. Flourine
3. Chlorine
4. Phosphorous

A

Q.86: Battery charger converts electrical energy into ------ energy?

1. Kinetic
2. Potential
3. Chemical
4. Nuclear

C

Q.87: A loudspeaker changes ------ energy into sound energy?

1. Chemical
2. Electrical
3. Light
4. Kinetic

B

Q.88: 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

C

Q.89: Electromagnetic induction was discovered by?

1. Nicolas Carnot
2. Alessandro Volta
3. Michael Faraday
4. Friedrich Bessel

C

Q.90: Battery was invented by?

1. Nicolas Carnot
2. Alessandro Volta
3. Michael Faraday
4. Friedrich Bessel

B

Q.91: The most abundant form of matter in the universe is?

1. Solid
2. Liquid
3. Gas
4. Plasma

D

Q.92: When gas is ionized, -------- forms?

1. Molecule
2. Element
3. Plasma
4. Current

C

Q.93: Wind is caused by?

1. Difference in atmospheric pressure
2. Difference in atmospheric temperature
3. Rotation of the Earth
4. Revolution of the Earth

A

Q.94: Wind speed is measured by?

1. Anemometer
2. Barometer
3. Ceilometer
4. Galvanometer

A

Q.95: The fact that universe is expanding was discovered by?

1. Hahn
2. Hubble
3. Rontgen
4. Rutherford

B

Q.96: X-rays were discovered by?

1. Otto Hahn
2. Edwin Hubble
3. Wilhelm Rontgen
4. Ernest Rutherford

C

Q.97: The Nobel prize in physics for the discovery of the law of photoelectric effect was awarded to?

1. Newton
2. Einstein
3. Rontgen
4. Rutherford

B

Q.98: The symbol of gold is?

1. Au
2. Ag
3. Fe
4. Sg

A

Q.99: Plaster of Paris can be produced by heating?

1. Graphite
2. Gypsum
3. Zinc
4. Lead

B

Q.100: Which from the following is NOT true about Helium gas?

1. Colourless
2. Odorless
3. Tasteless
4. Toxic

D