Subject: Micro-Biology
BSN
Page 7 of 31
#49 Which structure is found in all viruses?
A) Capsule
B) Flagella
C) Capsid
D) Fimbriae
Answer: C
#50 Which microorganism has both DNA and RNA?
A) Virus
B) Bacteria
C) Fungi
D) Prion
Answer: B
#51 What is the basic structural and functional unit of all living organisms?
A) Cell
B) Tissue
C) Organ
D) Organism
Answer: A
#52 Which type of cell lacks a true nucleus?
A) Eukaryotic Cell
B) Plant Cell
C) Prokaryotic Cell
D) Fungal Cell
Answer: C
#53 Which structure allows bacteria to move?
A) Pili
B) Fimbriae
C) Flagella
D) Capsule
Answer: C
#54 Which stain is retained by Gram-positive bacteria?
A) Safranin
B) Crystal violet
C) Methylene blue
D) Iodine
Answer: B
#55 Which bacteria causes tuberculosis?
A) Streptococcus pneumoniae
B) Mycobacterium tuberculosis
C) Pseudomonas aeruginosa
D) Escherichia coli
Answer: B
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