- (A) Cells
- (B) Tissues
- (C) Organs
- (D) Organ System
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- (A) Organelle
- (B) Tissues
- (C) Organic compound
- (D) Inorganic compounds
- (A) Carbon
- (B) Nitrogen
- (C) Hydrogen
- (D) Ammonia
- (A) Anatomy
- (B) Physiology
- (C) Parasitology
- (D) Social Biology
- (A) Human Biology
- (B) Environmental Biology
- (C) Genetics
- (D) Bio-technology
- (A) Fleming in 1945
- (B) Florey & Chain in 1975
- (C) Flore & Chain in 1795
- (D) Edward Jenner in 1795
- (A) Penicillin
- (B) Cephalosporin
- (C) Amino glycosides
- (D) Erythromycin
- (A) 1896
- (B) 1897
- (C) 1898
- (D) 1899
- (A) Culex Mosquito
- (B) Culiesta Mosquito
- (C) Anopheles Mosquito
- (D) Culex & Anopheles Mosquito
- (A) Hypothesis –>Accumulated data –> observation & experimentation –> conclusion
- (B) New data —> Conclusion —> Accumulated data —> Observation & experimentation
- (C) Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion
- (D) Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion

