Rivet is used to fasten _____...? Mcqs

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Rivet is used to fasten _____...?

(A) Soft material with soft material
(B) Hard material with hard material

(C) Soft material with hard material
(D) Hard material with soft material

✅ Correct Answer: Hard material with hard material

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Source: This question is taken from the Everyday Science

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When were blue jeans invented in _________...?

(A) 1900s
(B) 1860s

(C) 1870s
(D) 1850s

✅ Correct Answer: 1870s

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The book “Kitab-ul-manazir” was written by ______...?

(A) Jabir bin Hayan
(B) Ibn-al-Haitham

(C) Ali Ibn-Isa
(D) Bu-Ali Sina

✅ Correct Answer: Ibn-al-Haitham

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In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years
(B) 4.53 billion years

(C) 4.6 billion years
(D) 4.53 billion years

✅ Correct Answer: 13.82 billion years

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Sound travels about ___________times faster in water than in air....?

(A) 2
(B) 3

(C) 4
(D) 5

✅ Correct Answer: 4

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

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

✅ Correct Answer: asbestosis

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The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?

(A) 1120 ft
(B) 120 ft

(C) 56 ft
(D) 100 ft

✅ Correct Answer: 56 ft

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Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

✅ Correct Answer: Water has very high specific heat capacity

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Dr. James Watson discovered the structure of DNA in __________...?

(A) 1953
(B) 1955

(C) 1957
(D) 1857

✅ Correct Answer: 1953

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

✅ Correct Answer: All 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

✅ Correct Answer: lakes and forests to die

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The Beta particles are fast moving___________...?

(A) Protons
(B) Electrons

(C) Neutrons
(D) None

✅ Correct Answer: Electrons

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For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________...?

(A) Less than the gravitational potential energy of the body
(B) Equal to the gravitational potential energy of the body

(C) Greater than the gravitational potential energy of the body
(D) None of the above

✅ Correct Answer: Greater than the gravitational potential energy of the body

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Pneumatic systems is (are) used in ______...?

(A) Spray guns
(B) Pumps

(C) Vacuum cleaner
(D) Dental drill or dentistry tools

✅ Correct Answer: All of these

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The microtubules arranged in a very particular pattern to form centriole are _____ in number....?

(A) 26
(B) 27

(C) 23
(D) 25

✅ Correct Answer: 27

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The photo-receptors in the eye are present in___________...?

(A) Cornea
(B) Retina

(C) Iris
(D) Sclera

✅ Correct Answer: Retina

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Which colour of light is deviated least ________....?

(A) Red
(B) Blue

(C) Violet
(D) Green

✅ Correct Answer: Red

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The male gonads in rabbit are ______...?

(A) Testis
(B) Ovaries

(C) Scrotal sac
(D) Vas deferens

✅ Correct Answer: Testis

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The Sun has temperature of around _____...?

(A) 3000 °C
(B) 6000 °C

(C) 4000 °C
(D) 5000 °C

✅ Correct Answer: 6000 °C

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Mohus scale is used for to measure ____________...?

(A) Hardness
(B) Humidity

(C) Pressure
(D) Temperature

✅ Correct Answer: Hardness

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The weakest of all fundamental forces is the ________________...?

(A) Gravitational force
(B) Electrostatic force

(C) Magnetic force
(D) Nuclear force

✅ Correct Answer: Gravitational force

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Involuntary muscles in a human body are present in__________...?

(A) Brain
(B) Tongue

(C) Digestive system
(D) Limbs

✅ Correct Answer: Digestive system

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If a gas is heated in a sealed cylinder, then _______ increases....?

(A) Pressure inside the container
(B) Average kinetic energy of the particles

(C) Temperature of the gas
(D) All of them

✅ Correct Answer: All of them

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What is the number of known crystalline phases of water ________...?

(A) 4
(B) 8

(C) 17
(D) 18

✅ Correct Answer: 18

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Sound travels fastest in _______...?

(A) Air
(B) Water

(C) Diamond
(D) Steel

✅ Correct Answer: Diamond

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Biggest award in the field of science is the __________...?

(A) Noble Prize
(B) UNESCO peace prize

(C) Right livelihood prize
(D) All of these

✅ Correct Answer: Noble Prize

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Pollen grains are microscopic structure located in _____ of flower....?

(A) Stamen
(B) Anther

(C) Pistil
(D) Petal

✅ Correct Answer: Anther

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Root hair is long, thin and tubular structure, it increases surface area which increases the _____...?

(A) Rate of absorption of water
(B) Rate of photosynthesis

(C) Rate of respiration
(D) Rate of growth

✅ Correct Answer: Rate of absorption of water

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The abrasives are ______...?

(A) Water
(B) Water insoluble minerals

(C) Water semi soluble minerals
(D) Water absorving minerals

✅ Correct Answer: Water insoluble minerals

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Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

✅ Correct Answer: All of these

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Liquid secreted by the pancreas, which contains a variety of _____...?

(A) Hormones
(B) Vitamins

(C) Acids
(D) Enzymes

✅ Correct Answer: Enzymes

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Primary cosmic rays are composed largely of very fast__________...?

(A) Protons
(B) Neutrons

(C) Electrons
(D) Gamma rays

✅ Correct Answer: Protons

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A solid is a state of matter _____...?

(A) Definite volume and indefinite shape
(B) Indefinite volume and definite shape

(C) Definite volume and definite shape
(D) Indefinite volume and indefinite shape

✅ Correct Answer: Definite volume and definite shape

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Atmospheric pressure acts in _____...?

(A) Only upwards
(B) Only downwards

(C) All directions
(D) Horizonal only

✅ Correct Answer: All directions

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The value of Kc increases when ______...?

(A) [Product] is less
(B) [Product] is more

(C) [Reactant] is more
(D) [Reactant = product]

✅ Correct Answer: [Product] is more

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Magnification of a light microscope is formed by using mixture of the power of the eyepiece and the _____ lens....?

(A) Concave
(B) Convex

(C) Objective
(D) Mirror

✅ Correct Answer: Objective

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Input, processing, output. and storage are collectively referred to as ______...?

(A) Information processing cycle
(B) Hardware life cycle

(C) Software life cycle
(D) Information technology

✅ Correct Answer: Information processing cycle

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During winter in cold countries, the __________ is mixed to melt the ice on the icy roads....?

(A) Salt
(B) Chlorine

(C) Carbon dioxide
(D) Water

✅ Correct Answer: Salt

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Each day human body breathe in __________ liters of air....?

(A) 5,000 to 10,000
(B) 10,000 to 15,000

(C) 15,000 to 20,000
(D) 20,000 to 25,000

✅ Correct Answer: 10,000 to 15,000

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Bio elements considered as vital for life are ______ members or in numbers....?

(A) 13
(B) 12

(C) 14
(D) 16

✅ Correct Answer: 16

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The Gas is mobile phase in ______...?

(A) Liquid chromatography
(B) Solid chromatography

(C) Gas chromatography
(D) None of these

✅ Correct Answer: Gas chromatography

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In general, the most destructive earthquake waves are the __________ ...?

(A) P waves
(B) S waves

(C) Surface waves
(D) All of the above

✅ Correct Answer: Surface waves

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Drugs that slow normal brain functioning are categorized as ______...?

(A) Narcotics
(B) Hallucinogen

(C) Marijuana
(D) Sedatives

✅ Correct Answer: Sedatives

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What is the third most common gas found in the air we breathe ________ ...?

(A) Hydrogen
(B) Neon

(C) Carbondioxide
(D) Argon

✅ Correct Answer: Argon

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Source: This question is taken from the Everyday Science

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Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

✅ Correct Answer: Chemical foundation

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Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

✅ Correct Answer: Water

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The deficiency of vitamin E causes _______ ...?

(A) Weak immune system
(B) Weak bones

(C) Lack of appetite
(D) Sterility

✅ Correct Answer: Sterility

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In constructive reaction _____ molecules are formed....?

(A) Small
(B) Medium

(C) Equal
(D) Large

✅ Correct Answer: Large

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The maximum mass of an atom is concentrated in _____...?

(A) Electron
(B) Proton

(C) Neutron
(D) Nucleus

✅ Correct Answer: Nucleus

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Medulla oblongata is a part of human ___________...?

(A) Heart
(B) Brain

(C) Liver
(D) Sex organ

✅ Correct Answer: Brain

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Lignite, bituminous & anthracite are different rank of _________ ...?

(A) Iron
(B) Coal

(C) Wood
(D) None of these

✅ Correct Answer: Coal

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Earthquakes occur most frequently at __________...?

(A) Plate boundaries
(B) Plate surface

(C) Ocean beds
(D) All of the above

✅ Correct Answer: Plate boundaries

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A liquid is a state of matter _______...?

(A) Definite volume and definite shape
(B) Indefinite volume and definite shape

(C) Definite volume and indefinite shape
(D) Indefinite volume and indefinite shape

✅ Correct Answer: Definite volume and indefinite shape

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Dead red blood corpuscles are stored in____________...?

(A) Liver
(B) Spleen

(C) Kidney
(D) Heart

✅ Correct Answer: Spleen

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Source: This question is taken from the Everyday Science

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A gas is a state of matter _______...?

(A) Definite volume and definite shape
(B) Definite volume and indefinite shape

(C) Indefinite volume and indefinite shape
(D) Indefinite volume and definite shape

✅ Correct Answer: Indefinite volume and indefinite shape

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There are almost _______of nephrons in the each kidney in human body...?

(A) 5 million
(B) 3 million

(C) 1 million
(D) 10 million

✅ Correct Answer: 1 million

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Most protists are ______...?

(A) Terrestrial
(B) Fungal

(C) Photosynthetic
(D) Aquatic

✅ Correct Answer: Aquatic

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We could destroy the Dengue Mosquito by introducing a special Mosquito Eating ______in the water bodies....?

(A) Fish
(B) Meat

(C) Chicken
(D) None

✅ Correct Answer: Fish

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Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______...?

(A) Centripetal force due to the earth’s rotation
(B) Earth’s gravitational pull

(C) Pressure of the atmosphere
(D) Moon’s gravitational pull

✅ Correct Answer: Earth’s gravitational pull

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The height of the troposphere varies between ____________....?

(A) 7 km at equator and 17 km at poles
(B) 17 km at equator and 7 km at poles

(C) 18 km at equator and 8 km at poles
(D) 8 km at equator and 18 km at poles

✅ Correct Answer: 17 km at equator and 7 km at poles

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Main use of salt in diet is to : ___________...?

(A) ease the process of cooking
(B) increase the taste

(C) produce small amount of hydrochloric acid required for digestion
(D) inclease solubility of food particles in water

✅ Correct Answer: produce small amount of hydrochloric acid required for digestion

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The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ________ ...?

(A) Dermatology
(B) Dormatology

(C) Deontology
(D) Dermatoglyphics

✅ Correct Answer: Dermatology

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

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

✅ Correct Answer: Stratocumulus

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Digital T.V emits that ______...?

(A) X rays
(B) Y rays

(C) Z rays
(D) Radio Waves

✅ Correct Answer: Radio Waves

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Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________...?

(A) Conduction
(B) Convection

(C) Radiation
(D) Reflection

✅ Correct Answer: Radiation

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

(A) Lead
(B) Iron

(C) Mercury
(D) Copper

✅ Correct Answer: Lead

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Boiling point of pure water is __________...?

(A) 90’C
(B) 97’C

(C) 100’C
(D) None of these

✅ Correct Answer: 100’C

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First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S
(B) Germany

(C) Russia
(D) U.K

✅ Correct Answer: Germany

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