In each set of terms given below, there is an odd one and cannot be grouped

In each set of terms given below, there is an odd one and cannot be grouped in the same category to which the other three belong. Identify the odd term in each set and name the category to which the remaining three belong.

Example: Ovary, Fallopian tube, Ureter, Uterus.
Odd term: Ureter
Category: Parts of female reproductive system.

i. Sewage, Newspaper, Styrofoam, Hay.
ii. Thymine, Cytosine, Adenine, Pepsin.
iii. Malleus, Iris, Stapes, Incus.
iv. Cortisone, Somatotropin, Adrenocorticotropic hormone, Vasopressin.
v. Typhoid, Haemophilia, Albinism, Colour blindness.

Answer

1. Odd term: Styrofoam
   Category of others: Biodegradable waste
2. Odd term: Pepsin
   Category of others : Nitrogenous bases
3. Odd term : Iris
   Category of others : Earossicles
4. Odd term : Cortisone (hormone from adrenal gland)
   Category of others : hormones from pituitary gland)
5. Odd term: Typhoid
   Category: Genetic diseases