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- biological control committee
- biological control of insects research laboratory
- biological control of pests research unit
- biological corrosion
- biological cosmic ray experiment
- biological creep
- biological crop protection
- biological crystal growth
- biological culling
- biological cybernetics
- biological cycles
- biological data
- biological data analysis
- biological data bank
- biological data management and technology center
- biological death
- biological defence
- biological defense
- biological defense program
- biological defense research directorate
- biological defense research program
- biological defense task force
- biological degradation
- biological dentistry
- biological detection and warning system