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Cell Biology - Questions and Answers for Competitive Exams | GkSeries

13. An antibiotic that affects the formation of the cell wall is ________
  • [A] penicillin
  • [B] ampicillin
  • [C] tetracyclin
  • [D] streptomycin

Answer: Option [A]

14. Accumulations of polyphosphate volutin granules with cytoplasm of bacteria are called ____.
  • [A] metachromatic
  • [B] monochromatic
  • [C] minichromatic
  • [D] macrochromatic

Answer: Option [A]

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15. Members of the genus Bacillus and Clostridium produce resistant structures called _______.
  • [A] spores
  • [B] endospores
  • [C] capsular structure
  • [D] inclusion bodies

Answer: Option [B]

16. Any substances containing polysaccharides found external to the cell wall is known the _______.
  • [A] lipid
  • [B] protein
  • [C] glycocalyx
  • [D] peptidoglycon

Answer: Option [C]

17. A eukaryotic organelle which contains digestive enzymes is a ______.
  • [A] lysosome
  • [B] mitochondria
  • [C] chloroplast
  • [D] golgi complex

Answer: Option [A]

18. _______ that form into long chains may be identified by the prefix
  • [A] Streptococci
  • [B] Staphylococci
  • [C] Diplococci
  • [D] Micrococci

Answer: Option [A]

19. If bacteria could divide together and have the exact same generation time they could exhibit _____
  • [A] continous
  • [B] fed batch
  • [C] batch
  • [D] synchronous

Answer: Option [D]

20. A toxic component of the outer layer of Gram negative bacteria is ________.
  • [A] lipid A
  • [B] protein A.
  • [C] lipid B.
  • [D] lipid C.

Answer: Option [A]

21. ________ organism can tolerate one environmental condition but still live in another
  • [A] aerobes
  • [B] anaerobes
  • [C] facultative
  • [D] endospores producing microbes

Answer: Option [C]

22. When cells lose water and their membranes shrink away from the cell wall indicates that they are undergoing ________.
  • [A] lysis
  • [B] plasmolysis
  • [C] lysogenic
  • [D] caryolysis

Answer: Option [D]

23. The processes of endospore formation is known as ________.
  • [A] sporulation
  • [B] germination
  • [C] propagation
  • [D] binary fission

Answer: Option [A]

24. A culture medium which contains known specific kinds and amounts of chemicals is a _______
  • [A] Liquid
  • [B] solid
  • [C] selective
  • [D] defined synthetic

Answer: Option [D]

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