Choose the odd one out of the following terms

Choose the ODD one out of the following terms given and name the CATEGORY to which the others belong:

1. Aqueous humour, Vitreous humour, Iris, Central canal
2. Formalin, Iodine, DDT, Lime
3. ACTH, TSH, ADH, FSH
4. Phosphate, RNA, Sugar, Nitrogenous base
5. Bile, Urea, Uric acid, Ammonia

Answer

Odd term and category:

1. Odd term – Central Canal
   Category – Parts of eye
2.  Odd term – Iodine
   Category – Disinfectants
3. Odd term – ADH
   Category – Hormones of Anterior lobe of Pituitary gland
4. Odd term – RNA
   Category – Parts of Nucleotide
5. Odd term – Bile
   Category – Nitrogenous wastes / Excretory substances