Practice Pakistan's most useful MCQs for competitive exams

Spirochete is an example of___________?

• (A)  Aerobic bacteria
• (B)  Anaerobic bacteria
• (C)  Facultative bacteria
• (D)  Microaerophilic

Answer

Submitted By :Ali Uppal

Sex pill is formed in which of the following processes?

• (A)  Binary fission
• (B)  Mitosis
• (C)  Sexual reproduction
• (D)  Conjugation

Answer

Submitted By :Ali Uppal

Rapid growth at exponential ration occurs in which phase of bacterial growth:

• (A)  Lag phase
• (B)  Log phase
• (C)  Stationary phase
• (D)  Death / decline phase

Answer

Submitted By :Ali Uppal

Chemical substances used on living tissues that inhibit the growth of micro organism are called___________?

• (A)  Antiseptics
• (B)  Disinfectants
• (C)  Antibiotics
• (D)  Vaccines

Answer

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Who developed the vaccine against anthrax?

• (A)  Louis Pasteur
• (B)  Edward Jennar
• (C)  Leuvenhoek
• (D)  Alexander Fleming

Answer

Submitted By :Ali Uppal

Cyanobacteria have ________ cell wall?

• (A)  Gram +ve.
• (B)  Gram – ve.
• (C)  Acid fast
• (D)  Cellulose rich

Answer

Submitted By :Ali Uppal

Which of the following help cyanobacteria to locomote?

• (A)  Flagella
• (B)  Gas vesicles
• (C)  Both of these
• (D)  None of these

Answer

Submitted By :Ali Uppal

Cyanobacteria reproduce by____________?

• (A)  Binary fission
• (B)  Mitosis
• (C)  Meiosis
• (D)  Conjugation

Answer

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Approximately _____ species of bacteria are known to cause diseases in humans.

• (A)  100
• (B)  200
• (C)  300
• (D)  400

Answer

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A group of 8 cocci is called______________?

• (A)  Diplococci
• (B)  Octococci
• (C)  Tetrad
• (D)  Sarcina

Answer

Submitted By :Ali Uppal