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MCQs

Total Questions : 66 | Page 3 of 7 pages
Question 21. Which of the following disease associated with the nervous system is caused by disorder in gap junctions?
  1.    Parkinson’s disease
  2.    Brain ischemia
  3.    Stroke
  4.    Seizures
 Discuss Question
Answer: Option B. -> Brain ischemia
Answer: (b).Brain ischemia
Question 22. Who discovered cell wall?
  1.    Karl Rudolphi
  2.    Boveri
  3.    J Rhodin
  4.    Van Beneden
 Discuss Question
Answer: Option A. -> Karl Rudolphi
Answer: (a).Karl Rudolphi
Question 23. Bacteria can be divided into classes namely gram-positive bacteria and gram-negative bacteria based on their cell wall.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 24. Which component is present in the cell wall of fungi?
  1.    Cellulose
  2.    Hemicellulose
  3.    Chitin
  4.    Pectin
 Discuss Question
Answer: Option C. -> Chitin
Answer: (c).Chitin
Question 25. What organism lacks cell wall?
  1.    Plant cells
  2.    Protozoa
  3.    Bacterial cells
  4.    Algae
 Discuss Question
Answer: Option B. -> Protozoa
Answer: (b).Protozoa
Question 26. What is S- layer?
  1.    Solid layer
  2.    Surface layer
  3.    Secondary layer
  4.    Soluble layer
 Discuss Question
Answer: Option B. -> Surface layer
Answer: (b).Surface layer
Question 27. The cell wall of diatoms composed of __________
  1.    Biogenic alumina
  2.    Biogenic ammonia
  3.    Biogenic silica
  4.    Biogenic magnesia
 Discuss Question
Answer: Option C. -> Biogenic silica
Answer: (c).Biogenic silica
Question 28. Which of the following bacteria lacks cell wall?
  1.    Mycoplasma pneumoniae
  2.    Bacillus subtilis
  3.    Staphylococcus aureus
  4.    Helicobacter pylori
 Discuss Question
Answer: Option A. -> Mycoplasma pneumoniae
Answer: (a).Mycoplasma pneumoniae
Question 29. What is present in the cell wall of Mycobacterium tuberculosis?
  1.    Cellulose
  2.    Nitric acid
  3.    Acetone
  4.    Mycolic acid
 Discuss Question
Answer: Option D. -> Mycolic acid
Answer: (d).Mycolic acid
Question 30. Which of the following antibiotics have their mode of action of inhibition of cell wall synthesis?
  1.    Nalidixic acid
  2.    Ciprofloxacin
  3.    β-lactams
  4.    Norfloxacin
 Discuss Question
Answer: Option C. -> β-lactams
Answer: (c).β-lactams

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