Which of the following is a substance...? Mcqs

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is a substance...?

(A) Sea water
(B) Brass

(C) Tape water
(D) Graphite

βœ… Correct Answer: Graphite

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In a transverse wave, the ______ is the distance b/w its two adjacent crests or troughs...?

(A) Wavelength
(B) Frequency

(C) Amplitude
(D) Velocity

βœ… Correct Answer: Wavelength

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A substance that can donate a pair of electron to form coordinate covalent bond...?

(A) Lewis acid
(B) Lewis base

(C) Bronstedβ€”Lowery acid
(D) Bronsted-Lowery base

βœ… Correct Answer: Lewis base

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which substance has a pH value closest to neutral...?

(A) Ammonia
(B) Blood

(C) Milk
(D) Organic juice

βœ… Correct Answer: Blood

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The soapy touching property of substance are known as ____...?

(A) Acids
(B) Bases

(C) Salts
(D) Oxides

βœ… Correct Answer: Bases

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the large organelle that fills with cell sap and contains water and dissolved substances like sugar and salt...?

(A) Nucleus
(B) Mitochondria

(C) Large Vacuole
(D) Golgi Apparatus

βœ… Correct Answer: Large Vacuole

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The smallest particle of any substance having all properties of that molecules is called...?

(A) An atom
(B) A molecule

(C) A compound
(D) An element

βœ… Correct Answer: An atom

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________...?

(A) Aphelion
(B) Perihelion

(C) Perigee
(D) Apogee

βœ… Correct Answer: Aphelion

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Substance used in match sticks ...?

(A) Sulphur
(B) Zinc

(C) Acid
(D) Phosphorus

βœ… Correct Answer: Phosphorus

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Distance is a _____ quantity....?

(A) Vector
(B) Scalar

(C) Both a and b
(D) None of these

βœ… Correct Answer: Scalar

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The magnitude of force between two unit positive charges when the distance between them is 1m would be...?

(A) 0N
(B) 1N

(C) 2N
(D) Columbus Constant

βœ… Correct Answer: 1N

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The amount of heat needed to convert a substance from liquid to gas is called...?

(A) Heat of vaporization
(B) Specific heat

(C) Latent heat of fusion
(D) All

βœ… Correct Answer: Heat of vaporization

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

All of the following substances are crystalline except_____________...?

(A) Ice
(B) Diamond

(C) Sucrose
(D) Plastic

βœ… Correct Answer: Plastic

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Acetic acid is obtained from _____...?

(A) Banana
(B) Dates

(C) Garlic
(D) Vinegar

βœ… Correct Answer: Vinegar

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

βœ… Correct Answer: Base

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute
(B) Solution

(C) Compound
(D) None

βœ… Correct Answer: Solution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance b/w Earth and Moon is___________...?

(A) 3,50,000km
(B) 3,60,100km

(C) 3,72,000km
(D) 3,84,400km

βœ… Correct Answer: 3,84,400km

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A substance which produces hydrogen ion (H+) in the aqueous solution is called...?

(A) Base
(B) Acid

(C) Oxidizing agent
(D) Reducing agent

βœ… Correct Answer: Acid

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Turpentine is obtained from___________...?

(A) Oak tree
(B) Pine tree

(C) Birch tree
(D) Lemon tree

βœ… Correct Answer: Pine tree

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years
(B) 3.2 light years

(C) 2.4 light years
(D) 1.5 light years

βœ… Correct Answer: 4.2 light years

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance of mercury from sun is__________...?

(A) 56 million km
(B) 57.9 million km

(C) 58.9 million km
(D) 59.1 million

βœ… Correct Answer: 57.9 million km

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the average distance of the moon from earth...?

(A) 384,400 km
(B) 350,000 km

(C) 380,200 km
(D) 384,500 km

βœ… Correct Answer: 384,400 km

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the name of instrument used for measuring distance traveled by wheeled vehicle ...?

(A) Odometer
(B) Optometer

(C) Barometer
(D) Metrometer

βœ… Correct Answer: Odometer

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids
(B) Carbohydrates

(C) Nitrates
(D) Proteins

βœ… Correct Answer: Nitrates

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the name of the substance that dissolves the substance...?

(A) Solute
(B) Solvent

(C) Solution
(D) Mixture

βœ… Correct Answer: Solvent

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?

(A) F
(B) 0N

(C) 2F
(D) 2/3 F

βœ… Correct Answer: F

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A method which is used to separate coloured chemicals or substances, especially dyes is known as...?

(A) Filtration
(B) Sublimation

(C) Paper chromatography
(D) Distillation

βœ… Correct Answer: Paper chromatography

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is the lightest substance...?

(A) Uranium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

βœ… Correct Answer: Hydrogen

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Among the following, which substance is not a compound...?

(A) H2O
(B) Mg

(C) CO2
(D) NaCl

βœ… Correct Answer: Mg

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

βœ… Correct Answer: Chemical Change

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The property of a substance to absorb moisture from the air on exposure is called____________...?

(A) osmosis
(B) deliquescence

(C) efflorescence
(D) desiccation

βœ… Correct Answer: deliquescence

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The life sustaining envelop of earth is _____...?

(A) Biomass
(B) Biomes

(C) Biosphere
(D) Atmosphere

βœ… Correct Answer: Biosphere

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A thin partially permeable layer around the animal cell which control the substances that enter and exist is called...?

(A) Cell Wall
(B) Cell Membrane

(C) Cytoplasm
(D) Nucleus

βœ… Correct Answer: Cell Membrane

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance between the rest position of the moving particles to the top of a crest or bottom of a trough is termed as...?

(A) Wavelength
(B) Frequency

(C) Velocity
(D) Amplitude

βœ… Correct Answer: Amplitude

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sagittarius-A, the Blackhole at the centre of the Milky Way Galaxy is at a distance of_________...?

(A) 25500 Lightyears
(B) 24500 Lightyears

(C) 23640 Lightyears
(D) 25640 Lightyears

βœ… Correct Answer: 25640 Lightyears

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The ice giants are mostly made of β€˜volatile’ substances such as...?

(A) Water, mercury and methane
(B) Water, ammonia and mercury

(C) Water, plasma and methane
(D) Water, ammonia and methane

βœ… Correct Answer: Water, ammonia and methane

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Saffron is obtained from which among the following parts of the plant ________...?

(A) Anther
(B) Stigma

(C) Stamen
(D) Pollen

βœ… Correct Answer: Stigma

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

_______ is the average distance between the Earth and the sun ...?

(A) Moon unit
(B) Light unit

(C) Astronomical unit
(D) Solar unit

βœ… Correct Answer: Astronomical unit

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Girl is riding a bicycle. She covers a distance of 150 meters is 5 seconds. The cycling speed of a girl is...?

(A) 20 m/s
(B) 30 m/s

(C) 40 m/s
(D) 50 m/s

βœ… Correct Answer: 30 m/s

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Resolution of a microscope is defined as the smallest distance between _____ points....?

(A) One
(B) Two

(C) Three
(D) Four

βœ… Correct Answer: Two

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Chlorophyll is a green substance that is present in _____...?

(A) Mitochondria
(B) Nucleus

(C) Chloroplast
(D) Golgi Apparatus

βœ… Correct Answer: Chloroplast

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Small portion of enzyme where substrate attach with enzyme called _____...?

(A) Binding site
(B) Active site

(C) Catalytic site
(D) Substrate site

βœ… Correct Answer: Active site

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The Sun is at an average distance of about________ million kilometers away from Earth...?

(A) 100 million
(B) 150 million

(C) 200 million
(D) 250 million

βœ… Correct Answer: 150 million

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

βœ… Correct Answer: Air

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following would be most useful in testing if a substance is either an acid or a base...?

(A) pH indicator strips
(B) Acid-base indicator

(C) Litmus paper
(D) Filter paper

βœ… Correct Answer: Litmus paper

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The process of vaporizing a solid substance and condensing the vapours to form the solid directly is known as...?

(A) Distillation
(B) Sublimation

(C) Filtration
(D) Crystallization

βœ… Correct Answer: Sublimation

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following substances contain disease producing pathogens in the weakened form...?

(A) Vaccines
(B) Antibiotics

(C) Antibodies
(D) Plasmids

βœ… Correct Answer: Vaccines

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which substance is the most alkaline...?

(A) Milk
(B) Blood

(C) Ammonia
(D) Organic juice

βœ… Correct Answer: Ammonia

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance between the optical centre of a convex lens and its principal focus is called its_______...?

(A) Focal Length
(B) Radius of Curvature

(C) Power
(D) Magnification

βœ… Correct Answer: Focal Length

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which cell component is a jelly-like substance that contains many chemicals and facilitates chemical reactions...?

(A) Nucleus
(B) Cell Wall

(C) Cytoplasm
(D) Cell Membrane

βœ… Correct Answer: Cytoplasm

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The chemicals released from one cell and carried to signal some distant cell through blood are ______...?

(A) Neurotransmitters
(B) Enzymes

(C) Hormones
(D) All of these

βœ… Correct Answer: Hormones

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A change in physical appearance or state of a substance is called ____...?

(A) Chemical Change
(B) Physical Change

(C) Nuclear Change
(D) Biological Change

βœ… Correct Answer: Physical Change

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Substance whose atoms can be split are known as __________ materials....?

(A) Fusionable
(B) Fissionable

(C) Combustible
(D) None of these

βœ… Correct Answer: Fissionable

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A substance which increases the efficiency of a catalyst is termed as:...?

(A) Promoter
(B) Activator

(C) Retarder
(D) Super catalyst

βœ… Correct Answer: Promoter

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A (an) ______ is a pure substance which contains only one type of molecule made up of atoms of more than one element....?

(A) Compound
(B) Element

(C) Molecule
(D) Atom

βœ… Correct Answer: Compound

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Exosphere interacts with ___________ of Earth at roughly distance of 10,000 km....?

(A) Electrosphere
(B) Magnetosphere

(C) Spectrosphere
(D) Echosphere

βœ… Correct Answer: Magnetosphere

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Special type of movement of specific substances through carrier protein is _____...?

(A) Facilitated diffusion
(B) Active transport

(C) Passive transport
(D) Osmosis

βœ… Correct Answer: Facilitated diffusion

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: 56 ft

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

βœ… Correct Answer: Mixtures

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________...?

(A) ionic substances
(B) metallic substances

(C) molecular solids
(D) covalent network solids

βœ… Correct Answer: metallic substances

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance between Earth and Sun is greatest during ____________...?

(A) Apehelion
(B) Astronomical

(C) Lopsided
(D) Astronomi

βœ… Correct Answer: Apehelion

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The substance that are added in the soil to make up any deficiency of nutrients are called...?

(A) Pesticides
(B) Herbicides

(C) Manure
(D) Fertilizers

βœ… Correct Answer: Fertilizers

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance of longitude represents how many minutes difference in time...?

(A) 10 minutes
(B) 4 minutes

(C) 15 minutes
(D) 1 minute

βœ… Correct Answer: 4 minutes

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Resistance of a conductor does not depend on _______...?

(A) Length of the conductor
(B) Area of crossection

(C) Density
(D) Resistivity

βœ… Correct Answer: Resistivity

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

βœ… Correct Answer: Decomposition Reaction

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance covered by a unit of time is called...?

(A) Force
(B) Speed

(C) Momentum
(D) None

βœ… Correct Answer: Speed

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Shortest distance between two points is called...?

(A) Distance
(B) Speed

(C) Displacement
(D) Velocity

βœ… Correct Answer: Displacement

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following occurs when light passes through a substance unchanged...?

(A) Transmission
(B) Reflection

(C) Absorption
(D) Refraction

βœ… Correct Answer: Transmission

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The simplest kind of matter which cannot be further split up into simpler substances by chemical reactions is called...?

(A) Compound
(B) Atom

(C) Molecule
(D) Element

βœ… Correct Answer: Element

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the name of the substance which gets dissolved...?

(A) Solute
(B) Solvent

(C) Solution
(D) Mixture

βœ… Correct Answer: Solute

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Active site continuously changes it shapes until the substrate do not bind to it, is statement of ______...?

(A) Induce fit model
(B) Lock and key model

(C) Fluid mosaic model
(D) Both A and B

βœ… Correct Answer: Induce fit model

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The distance between the optical center and the principal focus is called ____...?

(A) Focal Length
(B) Focal Point

(C) Optical Centre
(D) Centre of Curvature

βœ… Correct Answer: Focal Length

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which lists the substances from least to most acidic...?

(A) Blood, milk, ammonia, orange juice
(B) Blood, ammonia, milk, orange juice

(C) Milk, blood, orange juice, ammonia
(D) Ammonia, blood, milk, orange juice

βœ… Correct Answer: Ammonia, blood, milk, orange juice

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which one of the following substances traps sunlight...?

(A) Cellulose
(B) Chlorophyll

(C) Cytoplasm
(D) Cell sap

βœ… Correct Answer: Chlorophyll

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which one of the following is not a unit of distance...?

(A) Parsec
(B) Astronomical Unit

(C) Light Year
(D) Foot Candle

βœ… Correct Answer: Foot Candle

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Biopsy is done on tissues taken from__________...?

(A) Human body
(B) Animal body

(C) Living body
(D) Dead body

βœ… Correct Answer: Living body

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which product is obtained in the manufacture of soap from oils:...?

(A) Sodium chloride
(B) Sodium hydroxide

(C) Fats
(D) Glycerine

βœ… Correct Answer: Glycerine

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

USB stands for ______...?

(A) Universal serial Bussiness
(B) Universal Serial Bus

(C) Universal Secondary Bus
(D) Unary Serial Bus

βœ… Correct Answer: Universal Serial Bus

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

With no air resistance regardless of their masses, the bodies fall with...?

(A) Same acceleration
(B) Different acceleration

(C) Same velocity
(D) None of these

βœ… Correct Answer: Same acceleration

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The most densest substance on the Earth is __________....?

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

βœ… Correct Answer: Osmium

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

βœ… Correct Answer: Diamond

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

For seeing objects at the surface of water from a submarine under water, the instrument used is ________...?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Spectroscope

βœ… Correct Answer: Periscope

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Substances that react with both acids and bases are called...?

(A) Conjugate acids
(B) Conjugate bases

(C) Amphoteric substances
(D) Buffers

βœ… Correct Answer: Amphoteric substances

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A _____ is used in submarines to monitor the surface of water....?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Binoculars

βœ… Correct Answer: Periscope

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The solubility of a solute substance increases _____...?

(A) As the liquid cools down
(B) As the liquid becomes more concentrated

(C) As the liquid heats up
(D) As the liquid becomes more diluted

βœ… Correct Answer: As the liquid heats up

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Two resistances of 6 Ξ© and 12 Ξ© are connected in parallel. Their net resistance is ______...?

(A) 7 Ξ©
(B) 6 Ξ©

(C) 4 Ξ©
(D) 5 Ξ©

βœ… Correct Answer: 4 Ξ©

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The condition when the resistance of a circuit is zero is known as...?

(A) Closed-circuit
(B) Short circuit

(C) Open circuit
(D) Zero circuit

βœ… Correct Answer: Short circuit

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which is the hardest substance in the human body...?

(A) Tooth enamel
(B) Skull

(C) Knee cap
(D) Rib

βœ… Correct Answer: Tooth enamel

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction
(B) Oxidation Reaction

(C) Addition Reaction
(D) Neutralization

βœ… Correct Answer: Addition Reaction

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

One mega ohm resistance is equal to ______...?

(A) 106 ohm
(B) 108 ohm

(C) 107 ohm
(D) 10-6 ohm

βœ… Correct Answer: 106 ohm

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

PVC is obtained by the polymerisation of...?

(A) Propane
(B) Vinyl chloride

(C) Styrene
(D) None of these

βœ… Correct Answer: Vinyl chloride

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

MMR vaccines are given to children to develop resistance against ____...?

(A) Malaria
(B) TB

(C) Measles
(D) Hepatitis

βœ… Correct Answer: Measles

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

βœ… Correct Answer: Pollutant

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which process is used to get back the solid substances from a solution...?

(A) Crystallization
(B) Distillation

(C) Filtration
(D) Sublimation

βœ… Correct Answer: Crystallization

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Source: This question is taken from the Everyday Science

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