Microbiology MDCAT Biology Test Mcqs Online

Louis Pasteur did not discovered vaccine against the disease

In some bacteria division occurs in one plane and bacteria are arranged in chain such bacteria are called

Leeuwenhoek used a simple microscope to describe bacteria and protozoa with accurate drawings and descriptions and called these small creatures as

Pasteur’s main achievement is development of vaccine for a disease known as

Which of the following structure is used in sexual reproduction of bacteria

Germ theory of disease was introduced by

Ancient bacteria are placed in

Robert Koch discovered bacteria that caused

Animalcules was used for microorganisms by

The spherical or oval shape bacteria are called

When division of cocci is random planes it will produce a

Divisions in three planes, cocci arranged in a cube of eight

Rod shaped bacteria are called

A comma shaped bacterium is

Curved or comma-shaped bacteria are called

Spirochete are flexible spiral and

The flagella come out through cell wall and originate from

When single polar flagellum is present then condition is known as

Which of the following s present in both gram positive and gram negative cell walls?

Absent in the membrane of bacteria

Primary function of flagella is to help in

The statement that explains mesosomes best

True Pili are only present on

Pili are primarily involved in a mating process between cells which is called

Metabolically dormant bodies produced at a later stage of cell growth in bacteria

What structure is produced by bacteria which is made up of polysaccharide units and of protein or both

Heterotrophic bacteria are

Sulphur is produced as a by product during the activity which type of bacteria

Gram negative bacteria are stained

During which phase of reproduction death rate become equal to newly formed bacteria

Substance used to kill microbes in living tissues

Pasteur called attenuated cultures of bacteria

Primary function of flagella is to hel in

Sulphur is produced as a boy product during the activity which type of bacteria

In Greek, the word Karyon means

Who formulated the “Germ theory of disease”

Which of the following points that the germ theory of disease is not true

Which of the following is found in all bacteria

Which of the following shapes of bacteria are present

The Cocci are

When Cocci occur in pairs then arrangement is called

Example of rod shaped bacteria

When rod shaped bacteria occur in pairs then arrangement of cells is known as

The tin hair like appendages in bacteria is made up of protein

Bacteria associated with human digestive system synthesize

Which of the following is mechanism for survival in adverse environmental conditions and not for increasing the number of individuals

Bacterial capsule made up of repeating

Some bacteria are covered with loose, soluble shield of macro-molecules which is called as

Which of the following gives the rigid structure to bacteria

Which of the following is a primary bacterial cell wall function