Water vapor is ______________...? Mcqs

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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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Circadian Rhythm refers to _____________...?

(A) Planetary movements
(B) Formation of galaxies

(C) Human body cycles
(D) Calisthenics

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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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‘Magnetometer’ is used to measure: ______________...?

(A) Air Pressure on Ships
(B) Electromagnetic Force in Space Devices

(C) Changes in the Earth’s Magnetic Field
(D) Changes in Oceanic Current

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Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

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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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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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The audio signals of TV are _____________...?

(A) Amplitude modulated
(B) Frequency modulated

(C) fixe modulated
(D) Velocity modulated

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1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

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The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________...?

(A) Selection
(B) Introduction

(C) Acclimatization
(D) Quarantine

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It is impossible for a type of O+ baby to have a type of____________mother:...?

(A) AB-
(B) O-

(C) O+
(D) none

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The first organism on earth were _______________...?

(A) autotrophs
(B) heterotrophs

(C) saprotrophs
(D) none of these

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Hypermetropia or Hyperopia means being able to see__________________...?

(A) Distant objects opaque
(B) Distant object clearly

(C) Close objects unclear
(D) Close objects clearly

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Short-sight defect could be corrected by a _____________ lens...?

(A) concave lens
(B) convex lens

(C) converging lens
(D) none of these

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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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In human body there are_________________kinds of bones...?

(A) 3
(B) 4

(C) 5
(D) 6

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“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________...?

(A) Nothing is impossible
(B) Quinoline is an inhibitor

(C) Quinoline is a catalyst
(D) Quinoline is an activator

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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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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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Diameter of Sun is_____________...?

(A) 12 Lakh kms
(B) 13 Lakh kms

(C) 14 Lakh kms
(D) 15 Lakh kms

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The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

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The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

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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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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 instrument which measures very high temperature is____________...?

(A) Manometer
(B) Thermostat

(C) Chronometer
(D) Pyrometer

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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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PSR J0108-1431 is the closest known ______________ to Earth...?

(A) Black hole
(B) Red giant

(C) Quasar
(D) Pulsar

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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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A reptile with a four-chambered heart is______________...?

(A) Snake
(B) Turtle

(C) Lizard
(D) Crocodile

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UV light falls in the category of___________...?

(A) Ionizing Radiations
(B) Non Ionizing Radiation

(C) Visible light
(D) None

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Wireless transmission can be done via _____________...?

(A) A Infrared waves
(B) Radio waves

(C) Microwaves
(D) All of these

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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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Bolometer measures: ____________...?

(A) Breadith of tree
(B) Burning capacity

(C) Heat radiation
(D) Bearing capacity

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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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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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Water is a ______...?

(A) Polar solvent
(B) Non-polar solvent

(C) Amphiphatic solvent
(D) Non-polar charged solvent

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What is the addictive drug in tobacco ______________...?

(A) Ethanol
(B) Nicotine

(C) Ammonia
(D) Tar

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A photostat machine works on _____________...?

(A) electromagnetic image making
(B) magnetic image making

(C) thermal image making
(D) electrostatic image making

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Wood is the main raw material for the manufacture of ____________...?

(A) Paint
(B) Gun powder

(C) Paper
(D) Ink

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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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The point that lies directly above the source of an earthquake is known as _______________ ...?

(A) Earthquake Center
(B) Epicenter

(C) Gravitational Center
(D) Geological Center

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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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Fuel used in a Fast Breeder Reactor is _____________...?

(A) Uranium Oxide
(B) Uranium Plutonium carbide

(C) Uranium Plutonium Oxide
(D) Uranium thorium Oxide

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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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Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________...?

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

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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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The species that flower are called ______________...?

(A) Gymnosperms
(B) Bryophytes

(C) Angiosperms
(D) Algae

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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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Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________...?

(A) Radiation fog
(B) Evaporation (mixing) fog

(C) Advection fog
(D) Upslope fog

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Which of the following metal occurs in free state ______________...?

(A) Lead
(B) Iron

(C) Mercury
(D) Copper

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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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Symptoms of vitamin b7 deficiency are known to ______________....?

(A) Pellagra
(B) Hair Loss

(C) Muscle weakness
(D) Xerophthalmia

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AIDS virus is______________________...?

(A) Single-stranded RNA
(B) Single-stranded DNA

(C) Double-stranded RNA
(D) Double-stranded DNA

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Pluviometer measures ___________...?

(A) Wind
(B) Strength of Plywood

(C) Rainfall
(D) None of these

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Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?

(A) January – July
(B) June – December

(C) July – January
(D) December – June

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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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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Rusting of Iron involves_______________...?

(A) Reduction
(B) Oxidation

(C) Decomposition
(D) Displacement

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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

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The common refrigerant used in domestic Refrigerator is_____________...?

(A) Neon
(B) Spirit

(C) Freon/Ammonia
(D) Methane

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The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?

(A) Diatonic scale
(B) Fahrenheit Scale

(C) Richter scale
(D) Celsius Scale

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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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Female Ova are ___________...?

(A) Haploid
(B) Diploid

(C) Triploid
(D) None of these

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

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Barnacles growing on the back of whale is an example for ________________...?

(A) mutualism
(B) parasitism

(C) amensalism
(D) commensalism

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Dead red blood corpuscles are stored in____________...?

(A) Liver
(B) Spleen

(C) Kidney
(D) Heart

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Fine organic or inorganic particles suspended in air is called _______________...?

(A) particulate pollutant
(B) gaseous pollutant

(C) aerosol
(D) none of these

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Erythrocyte is another name for a ___________...?

(A) white blood Cells
(B) Platelet

(C) Red Blood cells
(D) Plasma

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In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

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

(A) Carbohydrate
(B) Fats

(C) protein
(D) Starch

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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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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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Magnalium is an alloy of_____________...?

(A) Magnesium and Lead
(B) Aluminium and Zinc

(C) Aluminium and Magnesium
(D) Aluminium and Mercury

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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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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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

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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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Siemens is the unit of__________________...?

(A) Electrical Conductance
(B) Magnetic Conductance

(C) Electrical Capacitance
(D) Magnetic Capacitance

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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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