A. thigh bone
B. chest tissues
C. eyes or an eye lens
D. skull

A. 0°C
B. 0°F
C. 372°C
D. 273°C

A. the minimum amount of fissile material required in nuclear reactor
B. a large number of citizens who appear opposed to the policies of the ruling party
C. the absolutely minimum amount of mass in a substance
D. none of the above

A. proton
B. atom
C. molecule
D. electron

A. allergy
B. infection
C. virus
D. none of the above

A. chemicals of soap change
B. it increases surface tension of the solution.
C. it absorbs dirt
D. it lowers the surface tension of the solution

A. at which a person escapes an accident
B. that is lost on account of the use of belting
C. that a space satellite must attain to escape from the earth’s gravitational field
D. which a motor cyclist must attain to escape air resistance

A. stoppage of blood supply to tissues
B. getting suddenly frightened
C. insufficient supply of blood to the brain
D. obstruction in critical veins

A. cardiogram
B. cardiograph
C. cardiometer
D. altimeter

A. John Napier
B. Alfred Nobel
C. Volta
D. Jean Picard