Top 80+ Solved Bacterial Growth MCQ Questions Answer

From 1 to 15 of 56

Q. Multiple antibiotic resistance is mediatedby

a. Episome

b. Plasmid

c. Colplasmid

d. Both b and c

  • b. Plasmid

Q. “Antagonism “ is seen in

a. Lag phase

b. Plasmids

c. Log phase

d. None of these

  • d. None of these

Q. In gram positive and gram negativebacteria the electron transport contains

a. Naphthquinone

b. Plastoquinone

c. Ubiquinone

d. Both a and b

  • a. Naphthquinone

Q. Growth in a closed system, affected by nutrient limitation and waste product accumulation is called

a. Batch culturing

b. Ascus

c. Fruiting body

d. Sporangiosphore

  • a. Batch culturing

Q. Cells are active and synthesizing new protoplasm. This stage of growth is called

a. Lag phase

b. Stationary phase

c. Log phase

d. All of these

  • a. Lag phase

Q. Rapid bacterial growth phase is known as

a. Log

b. Lag

c. Lack

d. None of these

  • a. Log

Q. Clostridium welchii spore formation can be induced only on specified media such as

a. Wilson-Blair medium

b. Macconkey medium

c. Ellner medium

d. Thayee-Martion medium

  • c. Ellner medium

Q. Mycotoxins are formed during the end of

a. Lag phase

b. Log phase

c. Death phase

d. Stationary phase

  • a. Lag phase

Q. Bacteria which need oxygen for growthare called

a. Thermophilic bacteria

b. Microaerophilic bacteria

c. Facultative anaerobic bacteria

d. Mycobacteria

  • b. Microaerophilic bacteria

Q. pH required for the growth of bacteria is

a. 6.8 – 7.2

b. 5.6 – 8.2

c. 3.0 – 6.0

d. 8.0 – 14.0

  • a. 6.8 – 7.2

Q. Drug resistance in bacteria is mainlydetermined by factor:

a. F

b. R

c. Col

d. Lysogenic factor

  • d. Lysogenic factor

Q. The ion that is required in trace amountsfor the growth of bacteria is

a. Calcium

b. Magnesium

c. Cobalt

d. Sodium

  • c. Cobalt

Q. The most important vitamin for thegrowth of bacteria is

a. B-complex

b. Vitamin A

c. Vitamin D

d. Vitamin C

  • a. B-complex
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