The control rods in the control system of nuclear reactors are used to

A. Absorb excess neutrons

B. Control fuel consumption

C. Control temperature

D. All of these

Answer: Option A

Solution(By Examveda Team)

Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without themselves fissioning.