Question

janus green B stain.............but not...............
a) Mitochondria, cytoplasm
b)Cell wall, cytoplasm
c) Cytoplasm, mitochondria
d) Cytoplasm,cell wall

give me correct answer of this question
& Explain your answer is correct​

Answer 1

a) $\color{Blue}{Mitochondria }$,$\color{Green}{Cytoplasm}$

Janus green B has been widely used as a supravital stain for mitochondria.The indicator Janus Green B changes colour according to the amount of oxygen present. When oxygen is present, the indicator oxidizes to a blue colour.