Heat MCQ Class 7 Exam for Students

5/5 - (1 vote)

Heat MCQ Class 7. We covered all the Heat MCQ Class 7 in this post for free so that you can practice well for the exam.

Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.

These types of competitive MCQs appear in the exams like SSC, Railways, Defence, CDS, NDA, State PSC & CSE Exams, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.

You will get their respective links in the related posts section provided below.

Related Posts:

Questions hide

MCQ on Heat for Class 7 Students

If a liquid is heated in space under no gravity, the transfer of heat will take place through a process of

Which zone of a candle flame is the hottest?

The evening Sun is not as hot as the midday sun. What is the reason?

A fan produces a feeling of comfort during hot weather, because

A man with dark skin, in comparison with a man with white skin, will experience

Compared to a burn due to air at 100°C, a burn due to steam at 100°C is

Pendulum clocks become slow in summer because

For Boyle’s law to hold, the gas should be

Food in the pressure cooker is cooked faster, as

A perfect black body has the unique characteristic feature as

Heat given to a body that raises its temperature by 1°C is known as

A thermodynamic process where no heat is exchanged with the surroundings is

Assertion (A): Steam is more harmful to the human body than boiling water in case of a burn. Reason (R): Boiling water contains more heat than steam.

The deviation of gases from the behavior of ideal gas is due to

The phenomenon of the Brownian movement may be taken as evidence of

The density of water is the highest at the temperature of

Which of the following laws was formulated by Nernst?

Transfer of heat by convection can take place in

Radiation is the process in which heat is transmitted from one place to another

A piece of ice, 100 g in mass is kept at 0°C. The amount of heat required to melt at 0°C is (take latent heat of melting of ice to be 333.6j/g) :

The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used there is the first man-made plastic, which is :

Two systems are said to be in thermal equilibrium if and only if :

The freezer in the refrigerator is located at the top section so that

A: At high altitude regions the cooking of food becomes difficult. B: Water boils at a lower temperature when the pressure is low.

MCQ on Heat for Class 7 Students

If a liquid is heated in space under no gravity, the transfer of heat will take place through a process of

(a) conduction

(b) convection

(d) can not be heated in the absence of gravity

Option c – radiation

Which zone of a candle flame is the hottest?

(a) Dark innermost zone

(b) Outermost zone

(d) Central zone

Option b – Outermost zone

The evening Sun is not as hot as the midday sun. What is the reason?

(a) In the evening, radiation travel slowly

(b) In the evening, the temperature of the sun decreases

(d) In the evening, radiation travels a larger distance through the atmosphere

Option d – In the evening, radiation travels a larger distance through the atmosphere

A fan produces a feeling of comfort during hot weather, because

(a) our body radiates more heat into the air

(b) fan supplies cool air

(d) our perspiration evaporates rapidly

Option d – our perspiration evaporates rapidly

A man with dark skin, in comparison with a man with white skin, will experience

(a) less heat and less cold

(b) less heat and colder

(d) more heat and more cold

Option c – more heat and less cold

Compared to a burn due to air at 100°C, a burn due to steam at 100°C is

(a) less dangerous

(b) more dangerous

(d) None of these

Option b – more dangerous

Pendulum clocks become slow in summer because

(a) days in summer are large.

(b) of the friction in the coil.

(d) the weight of the pendulum changes.

Option c – the length of the pendulum increases

For Boyle’s law to hold, the gas should be

(a) perfect and of constant mass and temperature

(b) real and of constant mass and temperature

(d) real and at constant temperature but variable mass

Option a – perfect and of constant mass and temperature

Food in the pressure cooker is cooked faster, as

(a) the boiling point increases due to an increase in pressure

(b) the boiling point decreases due to an increase in pressure

(d) more pressure is available at 100°C

Option a – the boiling point increases due to an increase in pressure

A perfect black body has the unique characteristic feature as

(a) a good absorber only

(b) a good radiator only

(d) neither a radiator nor an absorber

Option c – a good absorber and a good radiator

Heat given to a body that raises its temperature by 1°C is known as

(a) water equivalent

(b) thermal capacity

(d) temperature gradient

Option c – specific heat

A thermodynamic process where no heat is exchanged with the surroundings is

(a) isothermal

(b) adiabatic

(d) isotropic

Option b – adiabatic

Assertion (A): Steam is more harmful to the human body than boiling water in case of a burn. Reason (R): Boiling water contains more heat than steam.

(a) Both A and Rare are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the of A correct explanation

(d) A is false, but R is true

Option c – A is true, but R is false

The deviation of gases from the behavior of ideal gas is due to

(a) colorless molecules

(b) covalent bonding of molecules

(d) absolute scale of temp.

Option c – attraction of molecules

The phenomenon of the Brownian movement may be taken as evidence of

(a) the kinetic theory of matter

(b) the electromagnetic theory of radiation

(d) the photoelectric phenomenon

Option a – the kinetic theory of matter

The density of water is the highest at the temperature of

(a) 0°C

(b) 4°C

(d) 100°C

Option b – 4°C

Which of the following laws was formulated by Nernst?

(a) First Law of Thermodynamics

(b) Second Law of Thermodynamics

(d) None of the above

Option c – Third Law of Thermodynamics

Transfer of heat by convection can take place in

(a) solids and liquids

(b) solids and vacuum

(d) vacuum and gases

Option c – gases and liquids

Radiation is the process in which heat is transmitted from one place to another

(a) The substance without the actual motion of the particle

(b) By the actual movement of the vibrating particles

(d) Through the movement of atoms

Option c – Directly without the necessity of any intervening medium

A piece of ice, 100 g in mass is kept at 0°C. The amount of heat required to melt at 0°C is (take latent heat of melting of ice to be 333.6j/g) :

(a) 750.6 J

(b) 83.4 J

(d) 3.336J

Option c – 33360J

The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used there is the first man-made plastic, which is :

(a) Polythene

(b) Terylene

(d) Bakelite

Option d – Bakelite

Two systems are said to be in thermal equilibrium if and only if :

(a) there can be a heat flow between them even if they are at different temperatures

(b) there cannot be a heat flow between them even if they are at different temperatures

(d) their temperatures are slightly different

Option c – there is no heat flow between them

The freezer in the refrigerator is located at the top section so that

(a) the entire chamber of the refrigerator is cooled quickly due to convection.

(b) the motor is not heated

(d) the heat gained from the environment is low

Option a – the entire chamber of the refrigerator is cooled quickly due to convection

A: At high altitude regions the cooking of food becomes difficult. B: Water boils at a lower temperature when the pressure is low.

(a) Both A and B are wrong

(b) A and B are correct and B is not the correct explanation of A

(d) A is correct but B is wrong.

Option c – A and B are correct and B is the correct explanation of A

We covered all the heat mcq class 7 above in this post for free so that you can practice well for the exam.

Check out the latest MCQ content by visiting our mcqtube website homepage.

Also, check out:

MCQ on Heat for Class 7 Students

If a liquid is heated in space under no gravity, the transfer of heat will take place through a process of

Which zone of a candle flame is the hottest?

The evening Sun is not as hot as the midday sun. What is the reason?

A fan produces a feeling of comfort during hot weather, because

A man with dark skin, in comparison with a man with white skin, will experience

Compared to a burn due to air at 100°C, a burn due to steam at 100°C is

Pendulum clocks become slow in summer because

For Boyle’s law to hold, the gas should be

Food in the pressure cooker is cooked faster, as

A perfect black body has the unique characteristic feature as

Heat given to a body that raises its temperature by 1°C is known as

A thermodynamic process where no heat is exchanged with the surroundings is

Assertion (A): Steam is more harmful to the human body than boiling water in case of a burn. Reason (R): Boiling water contains more heat than steam.

The deviation of gases from the behavior of ideal gas is due to

The phenomenon of the Brownian movement may be taken as evidence of

The density of water is the highest at the temperature of

Which of the following laws was formulated by Nernst?

Transfer of heat by convection can take place in

Radiation is the process in which heat is transmitted from one place to another

A piece of ice, 100 g in mass is kept at 0°C. The amount of heat required to melt at 0°C is (take latent heat of melting of ice to be 333.6j/g) :

The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used there is the first man-made plastic, which is :

Two systems are said to be in thermal equilibrium if and only if :

The freezer in the refrigerator is located at the top section so that

A: At high altitude regions the cooking of food becomes difficult. B: Water boils at a lower temperature when the pressure is low.

Leave a Comment Cancel reply