At which temperature does bacteria die...?

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

At which temperature does bacteria die...?

(A) 102F

(B) 106F

(C) 149F

(D) None of These

✅ Correct Answer: 149F

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Source: This question is taken from the Everyday Science

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

Vertebrates animals that maintain a constant body temperature are called...?

(A) Cold-blooded

(B) Warm-blooded

(C) Both A and B

(D) None

✅ Correct Answer: Warm-blooded

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Source: This question is taken from the Everyday Science

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

At higher altitude, the temperature and density of the air are _____...?

(A) Lower

(B) Higher

(C) Constant

(D) Unchanged

✅ Correct Answer: Lower

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Source: This question is taken from the Everyday Science

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

As a result this flow of energy from a region of high temperature to a region of low temperature is...?

(A) The warmer materials cool down and cooler materials warm up

(B) The warmer materials become warmer and the cooler materials become cooler

(C) The temperature remains the same

(D) The energy is lost forever

✅ Correct Answer: The warmer materials cool down and cooler materials warm up

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Source: This question is taken from the Everyday Science

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

The temperature at which two conjugate solutions change into one homogeneous solution is called__________...?

(A) Azeotrope

(B) Conjugate temperature

(C) Consolute temperature

(D) Eutectic point

✅ Correct Answer: Consolute temperature

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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 temperature at the center of the Sun...?

(A) 6 million °C

(B) 10 million °C

(C) 15 million °C

(D) 20 million °C

✅ Correct Answer: 15 million °C

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Source: This question is taken from the Everyday Science

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

Places where the temperature of air is above freezing point of the water, the precipitation will be in the form of ________ ...?

(A) Hailstorms

(B) Thunders

(C) Rain

(D) Lightning

✅ Correct Answer: Rain

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Source: This question is taken from the Everyday Science

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

Solar wind is caused by the high temperature and pressure in the sun’s which atmosphere...?

(A) Photosphere

(B) Chromosphere

(C) Corona

(D) A and B

✅ Correct Answer: Corona

Comments

Source: This question is taken from the Everyday Science

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

Vertebrates animals that take on the temperature of their surrounding are called...?

(A) Cold-blooded

(B) Warm-blooded

(C) Both A and B

(D) None

✅ Correct Answer: Cold-blooded

Comments

Source: This question is taken from the Everyday Science

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

The temperature at which water boils depends mainly on ____________...?

(A) Air temperature

(B) Relative humidity

(C) Air pressure

(D) Air density

✅ Correct Answer: Air pressure

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Source: This question is taken from the Everyday Science

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

At what temperature does silver melt...?

(A) 275 °C

(B) 327 °C

(C) 961.8 °C

(D) 100 °C

✅ Correct Answer: 961.8 °C

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Source: This question is taken from the Everyday Science

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

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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Source: This question is taken from the Everyday Science

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

A thermos flask keeps things close to their original temperature by reducing ____...?

(A) Conduction

(B) Convection

(C) Radiation

(D) All of these

✅ Correct Answer: All of these

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Source: This question is taken from the Everyday Science

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

A fixed temperature at which a pure liquid boils is called ______...?

(A) Melting point

(B) Freezing point

(C) Boiling point

(D) Both 'a' and 'b'

✅ Correct Answer: Boiling point

Comments

Source: This question is taken from the Everyday Science

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

The lowest temperature ever recorded on the Earth is...?

(A) –89.2 °C

(B) –86.2 °C

(C) –83.2 °C

(D) –92.2 °C

✅ Correct Answer: –89.2 °C

Comments

Source: This question is taken from the Everyday Science

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

As temperature increases, initially the rate of reaction will _____...?

(A) Decrease

(B) Remain constant

(C) Fluctuate

(D) Increase

✅ Correct Answer: Increase

Comments

Source: This question is taken from the Everyday Science

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

Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ...?

(A) Snow

(B) Lightning

(C) Hailstorms

(D) Thunders

✅ Correct Answer: Snow

Comments

Source: This question is taken from the Everyday Science

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

The lowest temperature in laboratory thermometer is...?

(A) 10°C

(B) 0°C

(C) 100°C

(D) -10°C

✅ Correct Answer: -10°C

Comments

Source: This question is taken from the Everyday Science

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

The Temperature of the surface of Sun is_______...?

(A) 5,778 Kelvin

(B) 6,778 Kelvin

(C) 7,778 Kelvin

(D) 9,778 Kelvin

✅ Correct Answer: 5,778 Kelvin

Comments

Source: This question is taken from the Everyday Science

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

The speed of light with the rise in the temperature of the medium____________...?

(A) Decrease

(B) Increase

(C) Remain the same

(D) First decrease then increase

✅ Correct Answer: Remain the same

Comments

Source: This question is taken from the Everyday Science

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

Atmospheric temperature increases at the higher altitudes due to________...?

(A) Conduction

(B) Convection

(C) Inversion

(D) Radiation

✅ Correct Answer: Convection

Comments

Source: This question is taken from the Everyday Science

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

Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules...?

(A) Boyle’s law

(B) Charles’ law

(C) Gay-Lussac’s law

(D) Avogadro’s law

✅ Correct Answer: Avogadro’s law

Comments

Source: This question is taken from the Everyday Science

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

Which animal have a thick layer of fat under their skin which protects them from the cold temperature of the sea...?

(A) Blue Whale

(B) Starfish

(C) Crocodile

(D) None

✅ Correct Answer: Blue Whale

Comments

Source: This question is taken from the Everyday Science

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

When a warm air is lifted off the surface in temperature depression it is called ________...?

(A) An occlusion

(B) A cold front

(C) An anticyclone

(D) A warm front

✅ Correct Answer: An occlusion

Comments

Source: This question is taken from the Everyday Science

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

Thermal energy transfer required per unit mass to increase the temperature by 1°C or 1 K is called...?

(A) Latent heat of Vaporization

(B) Specific heat capacity

(C) Latent heat of fusion

(D) Thermal capacity

✅ Correct Answer: Specific heat capacity

Comments

Source: This question is taken from the Everyday Science

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

What is the body temperature of a normal man...?

(A) 81.1 °C

(B) 37.0 °C

(C) 98.6 °C

(D) 21.7 °C

✅ Correct Answer: 37.0 °C

Comments

Source: This question is taken from the Everyday Science

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

Despite the fluctuation in human body temperature. The temperature of human body remains at _________...?

(A) 35 °C

(B) 37 °C

(C) 42 °C

(D) 54 °C

✅ Correct Answer: 37 °C

Comments

Source: This question is taken from the Everyday Science

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

As the temperature of ice rises, the ice melts and its density...?

(A) Decreases

(B) Remain constant

(C) Increases

(D) Increases upto 10C

✅ Correct Answer: Increases

Comments

Source: This question is taken from the Everyday Science

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

A form of energy which flows from a region of high temperature to a region of low temperature is known as...?

(A) Heat

(B) Light

(C) Sound

(D) Work

✅ Correct Answer: Heat

Comments

Source: This question is taken from the Everyday Science

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

Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond

(B) petrol is an organic compound

(C) water molecules have small size

(D) petrol molecules have greater size

✅ Correct Answer: petrol molecules do not have any hydrogen bond

Comments

Source: This question is taken from the Everyday Science

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

For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________...?

(A) also decrease

(B) increase

(C) remains constant

(D) none of these

✅ Correct Answer: increase

Comments

Source: This question is taken from the Everyday Science

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

The temperature of the dead body is_______________...?

(A) 0 ‘C

(B) 37 ‘

(C) Room Temperature

(D) Temperature of the place where it is kept

✅ Correct Answer: Temperature of the place where it is kept

Comments

Source: This question is taken from the Everyday Science

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

The moon’s surface temperature varies from about to _ ...?

(A) – 173 degrees Celsius at night to 127 degrees Celsius during the day

(B) – 172 degrees Celsius at night to 172 degrees Celsius during the day

(C) Remains constant during day and night

(D) – 170 degrees Celsius at night to 107 degrees Celsius during the day

✅ Correct Answer: – 173 degrees Celsius at night to 127 degrees Celsius during the day

Comments

Source: This question is taken from the Everyday Science

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

With the increase in temperature, heat will be...?

(A) Increase

(B) Decrease

(C) Remain constant

(D) None

✅ Correct Answer: Increase

Comments

Source: This question is taken from the Everyday Science

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

With the rise in temperature, metals conductivity____________...?

(A) Remains same

(B) Increases

(C) Decreases

(D) None of these

✅ Correct Answer: Decreases

Comments

Source: This question is taken from the Everyday Science

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

At which temperature does bacteria die...? Mcqs

PPSC Past Papers