Section A: Multiple choice questions 1. Which one is the asexual division method of the bacteria? a. Binary fussion b.Replication c. Binary fission d. Conjugation 2.Which one of the following need only oxygen to survive? a. Anaerobic microorganisms b. Microaerofilic microorgansims c. Facultative anaerobic microorganisms d. Aerobic microorganisms 3. Ifa parasitic infection is accuired via a vector. then what is the transmission way of this parasite? a. Via intermediate host b. Via placenta c. Via fecal oral route d. Via digestive system 4. __ is the major factor that manages the division of the bacterial cell a. stress d. Mosquitos 8. What is the name of the step, that exponential bacterial growth is observed? a. Lag phase b. Log phase c. Death phase d. Stationary phase 9.Which one is not a characteristic of pathogenic bacteria? a. Non-invasion b. Adhesion-attachment c. Transmissibility d. Toxigenicity 10. During a Gram staining process, __ is the agent that makes differentiation between Grt and Gr-bacteria. a.Safranin b.Lugole c. Crystal violet d.Alcohol 11. If the environmental conditions are not suitable, bacteria will form __ to protect itself.

1. Which one is the asexual division method of the bacteria?<br />a. Binary fission<br />b. Replication<br />c. Hinary fission<br />d. Conjugation<br /><br />Answer: a. Binary fission<br /><br />2. Which one of the following need only oxygen to survive?<br />a. Anaerobic microorganisms<br />b. Microaerophilic microorganisms<br />c. Facultative anaerobic microorganisms<br />d. Aerobic microorganisms<br /><br />Answer: d. Aerobic microorganisms<br /><br />3. If a parasitic infection is acquired via a vector, then what is the transmission way of this parasite?<br />a. Via intermediate host<br />b. Via placenta<br />c. Via fecal-oral route<br />d. Via digestive system<br /><br />Answer: a. Via intermediate host<br /><br />4. __ is the major factor that manages the division of the bacterial cell<br />a. Stress<br />b. Temperature<br />c. Nutrient availability<br />d. Mosquitoes<br /><br />Answer: c. Nutrient availability<br /><br />5. What is the name of the step, that exponential bacterial growth is observed?<br />a. Lag phase<br />b. Log phase<br />c. Death phase<br />d. Stationary phase<br /><br />Answer: b. Log phase<br /><br />6. Which one is not a characteristic of pathogenic bacteria?<br />a. Non-invasion<br />b. Adhesion-attachment<br />c. Transmissibility<br />d. Toxigenicity<br /><br />Answer: a. Non-invasion<br /><br />7. During a Gram staining process, __ is the agent that makes differentiation between Gram-positive and Gram-negative bacteria.<br />a. Safranin<br />b. Lugol's solution<br />c. Crystal violet<br />d. Alcohol<br /><br />Answer: d. Alcohol<br /><br />8. If the environmental conditions are not suitable, bacteria will form __ to protect itself.<br /><br />Answer: Endospores