Old age pigment is -
Ans. is 'c' i.e., Lipofuscin It is an insoluble pigment, also known as lipochrome and wear or tear or aging pigment. Lipofuscin is not injurious to the cell or its functions.Refer to APPENDIX-90 in volume-3 of this book
Hemosiderin
Melanin
Lipofuscin
Bilirubin