2(iv)
Choose the odd one out from the following terms and name the category to which the others belong:
(a) Newspapers, Vegetable peels, Electric bulbs, Animal excreta
(b) Renal pelvis, Renal artery, Renal Cortex, Renal medulla
(c) Urochrome, Urea, Keratin, Uric acid
(d) Oval window, Cochlea, Auditory canal, Round window
(e) ADH, TSH, ACTH, NADP
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(a) Odd one: Electric bulbs
Newspapers, Vegetable peels, Animal excreta : Biodegradable waste
(b) Odd one: Renal artery
Renal pelvis, Renal Cortex, Renal medulla : Parts of Kidney
(c) Odd one: Keratin
Urea, Urochrome, Uric acid : Nitrogenous waste products that are excreted from the body
(d) Odd one: Auditory canal
Oval window, Cochlea, Round window : Parts of inner ear
(e) Odd one: NADP
ADH, TSH, ACTH : Hormones