1. Bryology:-. Study of bryophytes.

2. Biometrics:- Statical study of biological problem.
3. Biomedical engineering:- Production and designing of spare part for overcoming various defects in man.e.g. Artificial limbs, Iron lung, Pacemaker etc.

4. Biotechnology :- Technology concerned with living beings for wilful manipulation on molecular level.
5. Bacteriology :– Study of bacteria.

6. Cytology:- Study of cell.

7. Cryobiology:- It is the study of effect of low temperature on organisms and their preservation.
8. Clone:- Clone are genetically identical individual in a population.
9. Cardiology:- Study of heart.

10. Demography:- Study of population.
