9. What is the name of the bacterial structure that adhere bacteria to bacteria from dration/loss of nutrients prevents phagocytosis and provides antigenic /pathogenic properties to bacteria? A) Pili B) Capsule/Slime Layer C)Cell membrane D) Peptidoglycan E) Periplasmic Space 10. Periplasmic space is: A) the area between the inner and outer membranes of gram-negative bacteria B) the area between the inner and outer membranes of Gram -positive bacteria C) the interior portion of mitochondria D) the area outside the cell membrane that is influenced by the polymers E) None of the above 11. Which of the following techniques is useful to differentiate bacteria according to cell wall structure? A) Gram staining B) Methylene Blue Staining C) Wet mount preparation D) Inoculation on blood agar by streaking method E) None of the above 12. The bacterial cells are at their metabolic peak during A)Lag phase B) Log phase C) Stationary phase D)Declining growth phase E) None of the above 13. Rod shaped bacteria are known as: A) Cocci B) Comma forms C) Bacilli D)Pleomorphic forms E) None of these 14. After gram staining Gram-positive bacteria appear as: A)Reddish B) Blueish C) Orangish D) Yellowish E) None