MCQ on Heat

CBSE/NCERT 7th Class MCQ CBSE/NCERT 7th Class MCQ on Science

11- What kind of solution should be used to wash the thermometer after use?

(A) ORAL solution

(B) Water

(C) Mercury

(D) Antiseptic


12- What is the use of the Kink in the clinical thermometer?

(A) It shows Blood pressure of a person

(B) It prevents thermometer from break

(C)  It shows temperature 

(D) It prevents mercury level from falling on its own.


13- …………is toxic substance.

(A) Mercury

(B) Aluminium

(C) Copper

(D) All of the above


14- Which substance is toxic in nature and very difficult to dispose?

(A) Iron

(B) Mercury

(C) Glass

(D) Mica


15- Maximum-minimum thermometer are used to measure……………

(A) Temperature of body

(B) Laboratory reports

(C) Weather reports

(D) Isotherm reports


16- Range of laboratory thermometer is generally from…………….

(A) 100 C to -1100 C

(B) -1000 C to 1100 C

(C) -100C to 1100C

(D) None of the above


17- The material which allows heat to pass through them easily are ………….of heat.

(A) Conductors

(B) Convection

(C) Radiation

(D) None of the above


18- What is/are a/an example of poor conductor of heat?

(A) Water and air

(B) Wood and Plastic

(C) Both A and B

(D) None of the above


19- The process by which heat is transferred from hotter end to the colder end is known as

(A) Refraction

(B) Convection

(C) Conduction

(D) None of the above


20-What is/are a/ an example/ of conductors?

(A) Aluminium

(B) Iron

(C) Copper

(D) All of the above



11-(D), 12-(D), 13-(A), 14-(B), 15-(C), 16-(C), 17-(A), 18-(C), 19-(C), 20-(D)