Number of Scientists:
There are millions of scientists around the world, with a significant number specializing in biology.

Exams for Becoming a Biological Scientist:
- High School Exams: To become a biological scientist, one must first excel in high school exams in subjects like biology, chemistry, physics, and mathematics.
- Undergraduate Entrance Exams: After completing high school, aspiring biological scientists need to pass entrance exams for undergraduate programs in biology or related fields. These exams vary depending on the country and university.
- Bachelor's Degree Exams: During their undergraduate studies, students will need to pass exams related to biology, biochemistry, genetics, and other relevant subjects.
- Graduate Entrance Exams: To pursue a career in research or academia, individuals typically need to pass entrance exams for graduate programs in biology or a specialized field.
- Master's Degree Exams: During their master's studies, students will need to pass exams related to advanced topics in biology and their chosen specialization.
- Doctoral Qualifying Exams: For those pursuing a Ph.D. in biology, passing qualifying exams is a crucial step towards conducting independent research.
- Thesis Defense: As part of a Ph.D. program, students must defend their research thesis in front of a committee of experts in the field.
- Postdoctoral Research: After completing a Ph.D., aspiring biological scientists may need to pass exams to secure postdoctoral research positions in prestigious institutions.
- Professional Certification: Some biological scientists may choose to obtain additional certifications in specialized areas, which may require passing specific exams.
By successfully navigating these exams and milestones, individuals can embark on a rewarding career as a biological scientist.