Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:
(i) Auxin, Ethylene, Adrenaline, Cytokinin
(ii) Tympanum, Ear ossicles, Auditory canal, Pinna
(iii) Syringes, Soiled dressings, Discarded needles, Household detergents
(iv) Exophthalmic Goiter, Simple Goitre, Cretinism, Myxoedema
(V) Adenine, Guanine, Creatinine, Cytosine
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(i) Odd term — Adrenaline
Auxin, Ethylene, Cytokinin — Plant hormone
(ii) Odd term — Pinna
Tympanum, Ear ossicles, Auditory canal — Parts of internal ear
(iii) Odd term — Household detergents
Syringes, Soiled dressings, Discarded needles — Biomedical wastes
(iv) Odd term — Exophthalmic Goiter
Simple Goitre, Cretinism, Myxoedema — Hypothyroidism
(v) Odd term — Creatinine
Adenine, Guanine, Cytosine — Nitrogenous bases