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

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

(A) Uranium

(B) Hydrogen

(C) Oxygen

(D) Nitrogen

✅ Correct Answer: Hydrogen

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Cytoplasm

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Water

(B) Air

(C) Copper

(D) Class

✅ Correct Answer: Air

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Cell Membrane

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Lipids

(B) Carbohydrates

(C) Nitrates

(D) Proteins

✅ Correct Answer: Nitrates

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Acids

(B) Bases

(C) Salts

(D) Oxides

✅ Correct Answer: Bases

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which substance is the most alkaline...?

(A) Milk

(B) Blood

(C) Ammonia

(D) Organic juice

✅ Correct Answer: Ammonia

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Copper

(B) Diamond

(C) Iron

(D) Silicon

✅ Correct Answer: Diamond

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Source: This question is taken from the Everyday Science

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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

✅ Correct Answer: Aphelion

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Source: This question is taken from the Everyday Science

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

(A) Climate Change

(B) Pollution

(C) Pollutant

(D) None

✅ Correct Answer: Pollutant

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Source: This question is taken from the Everyday Science

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

(A) Transmission

(B) Reflection

(C) Absorption

(D) Refraction

✅ Correct Answer: Transmission

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Source: This question is taken from the Everyday Science

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

(A) Crystallization

(B) Distillation

(C) Filtration

(D) Sublimation

✅ Correct Answer: Crystallization

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Element

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Source: This question is taken from the Everyday Science

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

(A) Ice

(B) Diamond

(C) Sucrose

(D) Plastic

✅ Correct Answer: Plastic

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following has the highest surface tension...?

(A) Glycerol in water

(B) Detergent in water

(C) Soap in water

(D) Water

✅ Correct Answer: Glycerol in water

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Tooth enamel

(B) Skull

(C) Knee cap

(D) Rib

✅ Correct Answer: Tooth enamel

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

which is the second brightest star in the Universe...?

(A) Betelgeuse

(B) Vega

(C) Canopus

(D) None of these

✅ Correct Answer: Canopus

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Paper chromatography

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Shortest distance between two points is called...?

(A) Distance

(B) Speed

(C) Displacement

(D) Velocity

✅ Correct Answer: Displacement

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Heat of vaporization

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which one is the brightest star in the night sky...?

(A) Betelgeuse

(B) Sirius

(C) Rigel

(D) Polaris

✅ Correct Answer: Sirius

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Ammonia, blood, milk, orange juice

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Sublimation

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: metallic substances

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Cellulose

(B) Chlorophyll

(C) Cytoplasm

(D) Cell sap

✅ Correct Answer: Chlorophyll

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Platinum

(B) Copper

(C) Steel

(D) Osmium

✅ Correct Answer: Osmium

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Mitochondria

(B) Nucleus

(C) Chloroplast

(D) Golgi Apparatus

✅ Correct Answer: Chloroplast

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Solute

(B) Solvent

(C) Solution

(D) Mixture

✅ Correct Answer: Solvent

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Litmus paper

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Source: This question is taken from the Everyday Science

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Which of the following is a substance...?

(A) Sea water

(B) Brass

(C) Tape water

(D) Graphite

✅ Correct Answer: Graphite

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Decomposition Reaction

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Solute

(B) Solvent

(C) Solution

(D) Mixture

✅ Correct Answer: Solute

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) H2O

(B) Mg

(C) CO2

(D) NaCl

✅ Correct Answer: Mg

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Large Vacuole

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Source: This question is taken from the Everyday Science

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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

✅ Correct Answer: As the liquid heats up

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Source: This question is taken from the Everyday Science

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

(A) Vaccines

(B) Antibiotics

(C) Antibodies

(D) Plasmids

✅ Correct Answer: Vaccines

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Chemical Change

(B) Physical Change

(C) Nuclear Change

(D) Biological Change

✅ Correct Answer: Physical Change

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

✅ Correct Answer: Solution

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The ice giants are mostly made of ‘volatile’ substances such as...?

(A) Water, mercury and methane

(B) Water, ammonia and mercury

(C) Water, plasma and methane

(D) Water, ammonia and methane

✅ Correct Answer: Water, ammonia and methane

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

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