What is indicated as ‘X’ and ‘Y’ in given diagram ?

The correct option is B X – Sensor probes, Y – Submerged aerator
A bioreactor is a vessel in which raw materials are converted into products, using microbial plant, animal or human cells. It provides the optimal conditions by providing optimum temperature, pH, substrate, vitamins, oxygen, etc.

It has an agitator, an oxygen delivery system, a foam controller, a temperature controller, pH, controller and sampling ports so that culture can be withdrawn periodically.