Question

Given below are six sets with four terms each. In each set a term is an odd one. Identify
the odd one in each set and name the category to which the remaining three belong. The
first has been done for you as an example;

1.Example: cell wall, large vacuole, plastids, centrosome
Answer-Centrosome category: parts of a plant cell
1. Thymine, Cytosine, Adenine, Pepsin

2. Phosphate, RNA, Sugar, Nitrogenous base

3. Temperature, Humidity, Carbon dioxide, Water content

4. Ethylene, Abscisic acid, Auxins, Bromic acid

5. Bicuspid valve, Tricuspid valve, Semilunar valve, Sphincter​

Answer 1

Answer:

Pepsin

RNA

carbon dioxide

bromic acid

sphincter