Subject: Micro-Biology

#41

What is the basic structural and functional unit of all living organisms?

A) Cell

B) Tissue

C) Organ

D) Organism

Answer:   A

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#42

Which type of cell lacks a true nucleus?

A) Eukaryotic Cell

B) Plant Cell

C) Prokaryotic Cell

D) Fungal Cell

Answer:   C

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#43

Which structure allows bacteria to move?

A) Pili

B) Fimbriae

C) Flagella

D) Capsule

Answer:   C

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#44

Which stain is retained by Gram-positive bacteria?

A) Safranin

B) Crystal violet

C) Methylene blue

D) Iodine

Answer:   B

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#45

Which bacteria causes tuberculosis?

A) Streptococcus pneumoniae

B) Mycobacterium tuberculosis

C) Pseudomonas aeruginosa

D) Escherichia coli

Answer:   B

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#46

Which bacterial structure is responsible for genetic transfer?

A) Fimbriae

B) Flagella

C) Pili

D) Capsule

Answer:   C

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#47

What is the function of bacterial capsule?

A) Locomotion

B) Reproduction

C) Attachment

D) Protection

Answer:   D

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#48

Which virus causes cold sores?

A) HSV-1

B) HSV-2

C) HIV

D) Rhinovirus

Answer:   A

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