| Column 'A' | Column 'B' |
| $1.$ Astronautics | $A.$ The study of characteristics of rocks |
| $2. $Biology | $B. $The study of physical life of animals and plants |
| $3.$ Physics | $C.$ The study of properties of matter and energy |
| $4.$ Bacteriology | $D.$ The study of space travel |
| $5. $Lithology | $E.$ The study of bacteria |