MCQs Mock Test for Lab Technicians and Technologists: Chapter 62

In a patient with typhoid, diagnosis after 15 days of onset of fever is best done by_____?

The most common site where organisms are present in a typhoid carrier is______?

The bacterial culture prepared by pure culture method is

The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____?

The specific test for Treponema pallidum is_____?

One of the following is a treponemal test for diagnosis of syphilis______?

Wh ich of the fo l low ing induces dimerisation of thymine?

Algae are rich in

Treponema pa l l idum can be best indentified using

A protoplast is best characterized as a bacterial cell_______?

Separation of a single bacterial colony is calle

Causative agents of Vincent’s angina_____?

Discontinuous heating is called

Elek’s gel diffusion test is used for the detection of

Which of the following is an acid-fast bacillus_______?

Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by______?

The method in which the cells are frozen dehydrated is called

Bacteria reproduce mainly by_____?

The virulence factors of Neisseria gonorrhea include all of the following except______?

Temperature required for pasteurization is

For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____?

Which regards to temperature requirement, most pathogenic bacteria are_____?

Slow freezing requires the conditions

The orderly increase in the quantity of all of the cellular components is known as

Organ of locomotion in bacteria is______?

L-Lysine is produced from

Staphylococci typically occur in_______?

The difference between gram positive and negative bacteria lies in their_____?

Isolation is

An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?

When food material are preserved at a temperature just above freezing temperature, the process is called.

Which of the following is ionizing radiation?

The causative organism of syphilis is_____?

Temperature in pasteurization is

A culture medium the exact composition of which is not known was called as

Theobacillus thio oxidans grow at pH

Peptone water medium is an example for

Diphtheria is pathogenic only when infected with_______?

The commonest method of detection of diptheria carriers is___?

Autoclaving is carried at

Toxic shock syndrome is due to the following virulence factor_____?

Thermal death time is

Lysol is a

All of the following are true of streptococcus except____?

Endotoxin have all but one of the properties given below____?

Which of the fo l low ing method of sterilization has no effect on spores?

The technique used to avoid all microorganisms is accomplished by

The medium used in membrane filter technique was

Which of the following is a neutral stain?

One of the following is an agglutination test in the diagnosis of typhoid____?