Choose the odd one out from the following terms and name the category to which the others belong:

(a) Used bandages, Pesticides, Face masks, Syringes.

(b) Dust, Smoke, Carbon monoxide, Effluents

(c) Uterus, Urethra, Urinary bladder, Ureter

(d) Menstrual phase, Telophase, Follicular phase, Luteal phase

(e) Malleus, Incus, Cochlea, Stapes

(a) Odd one : Pesticides
Used bandages, Face masks, Syringes — Bio-medical wastes

(b) Odd one : Effluents
Dust, Smoke, Carbon monoxide — Air pollutant

(c) Odd one : Uterus
Urethra, Urinary bladder, Ureter — Parts of Excretory System

(d) Odd one : Telophase
Menstrual phase, Follicular phase, Luteal phase — Menstrual cycle

(e) Odd one : Cochlea
Malleus, Incus, Stapes — Ear ossicles