Steradian is the unit of_______________...? Mcqs

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Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

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Bromine is a___________________...?

(A) black solid
(B) red-brown liquid

(C) colourless gas
(D) highly inflammable gas

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The total energy of revolving electron in an atom_____________...?

(A) Will always be positive
(B) Can never be positive

(C) Can have any value above zero
(D) Cannot be negative

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A transformer works on the principle of _______________...?

(A) Self induction
(B) Mutual induction

(C) Generator
(D) Inverter

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BTU is a unit of________...?

(A) Force
(B) Magnetic flux

(C) Energy
(D) None of these

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Acid deposition causes ______________________...?

(A) the greenhouse effect to lessen
(B) lakes and forests to die

(C) acid indigestion in humans
(D) all the above are correct

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According to Einsteins general theory of relativity the universe:________________...?

(A) Must be expanding
(B) Must be contracting

(C) Must be either expanding or contracting
(D) Must be neither expanding nor contracting

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The blue colour of clear sky is due to_______________...?

(A) Reflection of light
(B) Refraction of light

(C) Diffraction of light
(D) Dispersion of light

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DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

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Fuse wire is made of_____________...?

(A) 63% tin and 37% lead
(B) 63% lead and 37% tin

(C) 63% tin and 37% aluminum
(D) 63% lead and 37% aluminum

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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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The thermosphere extends from an altitude of ________ to the base of ________ at ________...?

(A) 75 km, Mesosphere, 670 km
(B) 80 km, Ionosphere, 680 km

(C) 85 km, Exosphere, 690 km
(D) 90 km, Ozone Layer , 690 km

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The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...?

(A) Ionosphere
(B) Troposphere

(C) Mesosphere
(D) Stratosphere

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In the Composition of the earth, Aluminum is _______________...?

(A) 27.5%
(B) 20.3%

(C) 14.5%
(D) 8.23%

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Curie is a unit of measuring the intensity of ___________...?

(A) Radioactivity
(B) Quantity of Heat

(C) Work or Energy
(D) Power

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Pedosphere is sum of_____________...?

(A) Organisms
(B) Soil and water

(C) Air
(D) All of above

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The blueness of the sky is mainly due to _____________...?

(A) The scattering of sunlight by air molecules
(B) The presence of water vapor

(C) Absorption of blue light by the air
(D) Emission of blue light by the atmosphere

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________...?

(A) Aufbau principle
(B) Pauli exclusion principle

(C) Hund’s rule
(D) Periodic law

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Kilowatt-hour is a unit of____________...?

(A) Power
(B) Electric Current

(C) Energy
(D) Time

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Eugenics is the study of___________________...?

(A) Altering human beings by changing their genetic components
(B) People of European region

(C) Different races of mankind
(D) Genetic of plants

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Stars are huge balls of gas mainly consist of _______ and ________...?

(A) Oxygen, Nitrogen
(B) Helium, Oxygen

(C) Hydrogen, Helium
(D) Nitrogen, Carbon

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“Ornithology” is the study of_____________...?

(A) Birds
(B) Insects

(C) Sea Plants
(D) Sea Animals

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Most of the ozone in the atmosphere is concentrated in the _____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

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The Virus of AIDS affects the growth of_____________...?

(A) Hemoglobin
(B) RBCs in blood

(C) T cells in blood
(D) Grey Cells in blood

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The rocks formed out of layers of sediment bonded together are known as _______________...?

(A) Metamorphic rocks
(B) Sedimentary rocks

(C) Igneous rocks
(D) All of the above

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‘Black holes’ refers to_______________...?

(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun

(C) Collapsing object of high density
(D) Collapsing object of low density

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

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The temperature of the dead body is_______________...?

(A) 0 ‘C
(B) 37 ‘

(C) Room Temperature
(D) Temperature of the place where it is kept

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The atmosphere of moon consists of______________...?

(A) 90% Hydrogen, 10% Nitrogen
(B) 80%Nitrogen, 20% Hydrogen

(C) 60% Nitrogen, 40%inert gases
(D) None

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Newton metre is a unit of __________....?

(A) Substance
(B) Length

(C) torque
(D) Work

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Parsec is a unit of ___________...?

(A) Energy
(B) Time

(C) Power
(D) Distance

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Chemically finger nails are made up of ____________...?

(A) Carbohydrate
(B) Fats

(C) protein
(D) Starch

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Oranges are rich source of____________...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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Terrestrial planets in solar system are made of____________...?

(A) Metal
(B) Rock

(C) Both A and B
(D) None of the above

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Paleontology is the study of: _____________...?

(A) Organic particles in the air
(B) Ancient Life and Fossils

(C) How bodily structures are put together in an organism
(D) How living things interact with each other and their environment

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The atmospheric greenhouse effect is produced mainly by the __________________...?

(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere

(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds

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At what time of day is the relative humidity normally at a minimum ________________ ...?

(A) When the air temperature is highest
(B) Just before sunrise

(C) About midnight
(D) When the air temperature is lowest

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Fuzzy logic is a part of_________________...?

(A) Aristotle’s philosophy
(B) Computer science

(C) Epicurianism
(D) Sophism

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The density of Air is_____________...?

(A) 0.225 kg/m3
(B) 1.025 kg/m3

(C) 1.225 kg/m3
(D) 1.425 kg/m3

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Tesla is the unit of_________________________...?

(A) Magnetic Field Strength
(B) Electric Field Strength

(C) Gravitational Field Strength
(D) Nuclear Field Strength

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Melanoma (skin cancer) is associated with ______________...?

(A) ozone accumulation
(B) ozone depletion

(C) acid rain
(D) allergens

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The ratio of pure gold in 18 carat gold is _______________...?

(A) 0.5
(B) 0.9

(C) 0.8.5
(D) 0.75

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Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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The shape of the external ear is due to____________...?

(A) Elastic cartilage
(B) Fibrocartilage

(C) Articular cartilage
(D) none

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Glass is made of the mixture of______________...?

(A) Quartz and Mica
(B) Sand and Salt

(C) Sand and Silicates
(D) None of these

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Siemens is the unit of__________________...?

(A) Electrical Conductance
(B) Magnetic Conductance

(C) Electrical Capacitance
(D) Magnetic Capacitance

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The term PVC used in the plastic industry stands for______________...?

(A) Phosphavinyl chloride
(B) Phosphor vanadiu chloride

(C) Polyvinyl chloride
(D) Polyvinyl carbobate

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Our atmosphere consists of___________ Oxygen approximately...?

(A) 11% Oxygen approximately
(B) 21% Oxygen approximately

(C) 31% Oxygen approximately
(D) None of these

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Farad is the unit of___________...?

(A) inductance
(B) voltage

(C) capacitance
(D) None of these

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2017 Nobel Prize Currently Awarded in Physics is for_________________...?

(A) Far Observation of Gravitational Waves
(B) Far Observation of Gravitational Weight

(C) First Observation of Gravitational Waves
(D) Far Objectivity of Gravitational Waves

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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Humans can hear in the range of ______ to _______Hertz (Hz)....?

(A) 10 Hz to 10,000 Hz.
(B) 20 Hz to 20,000 Hz.

(C) 30 Hz to 30,000 Hz.
(D) 40 Hz to 40,000 Hz.

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An atom is_____________...?

(A) smallest indivisible particle in an element
(B) smallest particle of an element which can undergo a chemical reaction

(C) building block of an element
(D) always smaller than molecule

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Cusec is a unit of _________...?

(A) Area
(B) Time

(C) Distance
(D) mass

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Candela is the basic unit of_________________...?

(A) luminous intensity
(B) heat producing value

(C) Thermodynamic temperature
(D) radioactive decay

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German Silver is an alloy of___________...?

(A) Zn + Ni
(B) Cu + Zn

(C) Cu + Ni
(D) Cu + Sn

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When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation
(B) water pollution

(C) acid rain
(D) forest fire

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Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

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The mean distance of the earth from the sun is astronomical units is____________...?

(A) 3.7 AU
(B) 10 AU

(C) 1 AU
(D) 101 AU

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A slow-running pendulum clock can be speeded up by_______________...?

(A) Increasing the length of the rod
(B) Increasing the weight of the bob

(C) Reducing the length of the rod
(D) Reducing the weight of the bob

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An extremely small piece of silicon on which integrated circuits are implicated is called __________________...?

(A) Card Reader
(B) Hollerith Code

(C) Feed
(D) Chip

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The alpha particles are compact clusters of______________...?

(A) Electron and Proton
(B) Two Protons and two Neutrons

(C) Three protons and three Neutrons
(D) None

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