The correct answer is Option B
The diagram given below shows Flagella(X), DNA(Y), Cytoplasm(Z).
The Flagella is the locomotory structure present in the organism that is used for movement from one place to another. it is made up of microtubules.
The structure y is DNA which is the hereditary material that carries the genetic information from one generation to another.
The cytoplasm is the fluid found in the cell in which all the membrane bound organelles are floating.