MCQs Mock Test for Lab Technicians and Technologists: Chapter 50

If more than one stain is used, such staining is called

The bacterial cells participating in conjugation are

During destruction of antigen particle in phagolysosome the product formed in phagolysosome the product formed during formulation is

By using fluorescence property fluorescent antibody technique was developed by

Opsonin is the

The Largest virus is

Shape of bacteriophage is

Pellicle is found in only

ßßß-haemolytic bacteria is

The microorganism engulfed by phagocyte resides in a vacuole is known as

During staining for Electron Microscopy, the method which improves contrast of specimen is

The group of bacteria which deopends on organic sources in nature for their energy requirements. They are said to be

The extra cellular infections virus particle is called

Infection that results in pus formation are called

Cholera vaccine gives protection for

Sulphur oxidizing bacteria is

‘Fluorescence’ was first observed by

Alginic acids and its salts are obtained from the wall of

Attenuation means

Prophylaxis of cholera is

Archaeo bacteria are known as

Bacillus Schlegelli is

Presence of viruses in the blood stream is known as

Urea is decomposed by the species

Symbionts are

Transformation was observed mainly in

Examples for actinomycetes

The enzymes responsible for decomposition is

Most molds are capable of growing in the temperature range between

The inorganic forms of nitrogen, which are accepted by bacteria are

Main cause for Cholera is

Nitrite is converted into nitrate by the bacteria

Parasitic form must contain

Presence of viable bacteria in the blood stream is called

In algae, advanced type of sexual reproduction is

The best example for symbiotic association is

Toxic products in phagolysosome are

Vibrio cholera differs from vibrio eltor by

Other than the sample (specimen) the remaining portion is stained then it is called

The smallest virus is

Phycobiont is

Majority of bacteria are

Capsulated forms of bacteria are

Phagocytes are

Sh.dysenteriae is also known as

The natural reservoir of infection for cholera is

The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called

If only one stain is used for staining a specimen

The total no. of genes in the group of same individuals is

The molds obtained nutrition from dead and decaying matter which are called