The Doctor of Philosophy in Biology program is offered for working biologists in various professions including educators at the tertiary level. It is designed to equip students with advanced knowledge in the life sciences.

Doctor of Philosophy in Biology
The Doctor of Philosophy in Biology program is offered for working biologists in various professions including educators at the tertiary level. It is designed to equip students with advanced knowledge in the life sciences. The program allows interaction with other professionals in the field and provides an opportunity to further and update knowledge leading to promotion in the workplace. It also offers students the opportunity to conduct original research under the guidance of a biological science professor.
Core Courses
- Philosophy of Man
- Research Design
Major Courses (18 units)
Choice of six (6) courses from the following fields with 2 units lecture and 1 unit laboratory
Plant Biology
- Plant Physiology
- Plant Ecology
- Advanced Plant Systematics
- Ethnobotany
- Economic Botany
- Phycology
- Plant Pathology
- Plant Geography
Animal Biology
- Advanced Animal Physiology
- Advanced Genetics
- Advanced Cell and Molecular Biology
- Immunology
- Epidemiology and Public Health
- Medical and Veterinary Microbiology
- Virology
Environmental Biology
- Biodiversity Conservation
- Ecosystem Structure and Dynamics
- Urban Planning and Land Use
- Forest and Wildlife Ecology
- Environmental Economics
- Aquatic Ecology
- Applied and Environmental Microbiology
Elective Courses (6 units)
Choice of two (2) courses from the following
- Biotechnology
- Entomology
- Horticulture
- Evolutionary Biology
- Environmental Resource Inventory
- Environment and Technology
- Environmental Toxicology
- Contemporary Issues and Development in Environment
- Geographical Information System
- Environmental Laws and Policies
Additional Requirements
- Foreign Language
- Graduate Seminar
- Comprehensive Exam
- Dissertation Writing 1 (Research Proposal)
- Dissertation Writing 2 (Research Colloquium)
- Dissertation Writing 3 (Research Final Defense)
General Policies
- Must be a graduate of Master of Science major in Biology, or any equivalent master’s degree.
- For graduates of non-thesis MS Biology program, he/she must have earned at least 9 units of bridging courses, i.e. Thesis Writing (6 units) and one major course (3 units).
- For graduates of non-Biology major master’s program, he/she must have earned at least 15 units of bridging courses.
- Must have a grade point average (GPA) in the master’s program of at least 2.75 (83%).
- Must accomplished and submit the following:
For New Applicants:
- Application for Admissions (2 copies);Download here
- TOR (1 original; 1 photocopy) and diploma (2 photocopies; original copy must be presented for verification purposes);
- *Two recommendation letters from employer or former professors;
- NSO Birth certificate (2 photocopies);
- NSO marriage certificate- for married female applicant (2 photocopies);
- *Certificate of employment, if employed;
- 3 pcs. passport-sized pictures
- *Resume with research plan;
- College/MS/MA Diploma (2 photocopies);
For DLSU-D graduates
- Application for Admissions form;Download here
- TOR (1 original and 1 photocopy) and diploma (2 photocopies; original copy must be presented for verification purposes);
- The maximum residency for doctor’s program shall be seven (7) years including capstone project.
- A student is allowed to file a leave of absence (LOA) for a semester, renewable for another semester. However, LOA is counted in his/her maximum residency.
- A course taken from another school with similar or the same description may be credited in the graduate program upon the recommendation of the Director of COS Graduate Studies and approval of the COS Dean. A maximum of nine (9) units may be credited.
- An “In Progress” grade is given to a graduate student who failed to comply or submit course work requirements within one school year. Failure to complete within the specified time would mean a grade of 0.0.
- A student who has already earned more than 50% of his/her academic courses shall not be allowed to shift to another graduate program.
Students who have completed all the requirements are the only ones allowed to graduate and attend the graduation ceremonies. The requirements are as follows:
- Completion of academic units;
- Passing the comprehensive examination and dissertation defense;
- Publicly defended dissertation;
- Completion of the research paper requirements;
- At least one (1) publication in a refereed (national/internationally indexed) journal related to the program during study;
- Completion of all pertinent documents to be submitted to the Registrar’s Office;
- Clearance form to be signed by designated persons/offices;
- Payment of all financial and other obligations to the University