Identify the odd one in each of the following and mention what the rest are :

(a) Larynx; glucagon; testosterone; prolactin......................................

(b) Adrenaline; penicillin; insulin; thyroxin.................................

(c) Stomach; ileum; liver; adrenaline.............................

(d) TSH; GH; ADH; insulin.................................

(e) Iodine, cretinism, goitre, myxoedema............................

(a) Larynx Reason- Larynx is the sound box while the rest three i.e. glucagon; testosterone and prolactin are hormones.
(b) Penicillin Reason - Penicillin is an antibiotic while adrenaline; insulin; thyroxine are hormones.
(c) Adrenaline Reason - Adrenaline is a hormone while the stomach, ileum and liver are the organs of the digestive system.
(d) Insulin Reason- Insulin is secreted by the pancreas while TSH, GH, ADH are the hormones secreted by the pituitary gland.
(e) Iodine Reason- Iodine is required for the synthesis of thyroxine hormone. While cretinism, goitre, myxoedema are the deficiencies occur due to the deficiency of thyroxine.