At which temperature does bacteria die...? Mcqs

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At which temperature does bacteria die...?

(A) 102F
(B) 106F

(C) 149F
(D) None of These

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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

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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

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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

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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

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

(A) Conduction
(B) Convection

(C) Inversion
(D) Radiation

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The maintenance of body temperature with in suitable limit is called...?

(A) Homeotherm
(B) Thermoregulation

(C) Osmoregulation
(D) Heterotherm

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At what temperature does silver melt...?

(A) 275 °C
(B) 327 °C

(C) 961.8 °C
(D) 100 °C

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

(A) Air temperature
(B) Relative humidity

(C) Air pressure
(D) Air density

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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

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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

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

(A) Cold-blooded
(B) Warm-blooded

(C) Both A and B
(D) None

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

(A) Lower
(B) Higher

(C) Constant
(D) Unchanged

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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

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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

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

(A) Decreases
(B) Remain constant

(C) Increases
(D) Increases upto 10C

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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

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

(A) Remains same
(B) Increases

(C) Decreases
(D) None of these

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The lowest temperature in laboratory thermometer is...?

(A) 10°C
(B) 0°C

(C) 100°C
(D) -10°C

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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

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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

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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

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

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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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

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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

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

(A) Increase
(B) Decrease

(C) Remain constant
(D) None

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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

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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

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

(A) Decrease
(B) Remain constant

(C) Fluctuate
(D) Increase

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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

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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'

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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

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

(A) 5,778 Kelvin
(B) 6,778 Kelvin

(C) 7,778 Kelvin
(D) 9,778 Kelvin

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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

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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

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