Which of the following planets is fastest rotating planet?

Color of the glow produced in the discharge tube:

A. depends on the pressure in the discharge tube
B. depends on the metal used as cathode
C. depends on the gas used in the discharge tube
D. does not depend on the nature of the gas used in the discharge tube

Phosphorus is an essential component of one of the following biological molecules:

A. Amino acids
B. Nucleic acids
C. Carbohydrates
D. None

Saliva contains__________?

A. Amylases
B. Bite
C. Trypsin
D. None of these

The average kinetic energy of the molecules of a body determines?A. heat
B. temperature
C. internal energy
D. none

 

All of the following are electromagnetic radiations except__________?

A. Red light
B. Sound waves
C. X-Rays
D. Photon