BIO217

A. A phase in the growth curve during which there is no increase in cell number of a microbial population is called ____________. phase

B. Most microorganisms cannot be seen without ___________

C. In food preparation, microbes are reduced to acceptable levels using methods such as addition of vinegar and ___________

D. __________ is the simplest virus.

E. Cell division in Saccharomyces cerevisiae occur by _________

F. Alcoholic fermentation was found to be catalyzed by: __________

G. Which of the following is not a characteristic of the mycobacterium?

H. __________ is used to disinfect effluents from sewage treatment.

I. The class of microorganisms that has growth optima around 20 ۫C to 45 ۫C is __________

J. ___________ was awarded the 1905 nobel prize for physiology or medicine.

K. ___________ are the most plentiful form of plankton in the Arctic.

L. Based on the source of energy bacteria can be classified as phototrophs and _________

M. Beijerinck and __________ pioneered the use of enrichment cultures and selective media.

N. Heat – sensitive liquids and gases are sterilized by the use of ___________ method

O. The most commonly used differential staining procedure is: __________

P. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: __________

Q. Which of the following genera of bacteria are aerobes or facultative anaerobes that from irregular clusters by dividing into two or more planes?

R. Which of the following groups of bacteria is not with unusual properties?

S. The formation of diphtheria tetanus antitoxins was induced by: ___________

T. Who supported the theory of spontaneous generation?

U. The microscope used to study microbial motility and determining the shape of line cells is: __________

V. ______________ is used for food preservation.

W. Which of the following disinfectants is used in food industries?

X. The vegetative structure of a fungus is called a __________

Y. Spoilage of meat and / or vegetables in cold syorage can be caused by some _________

Z. The first person to publish an extensive, accurate observation of microorganisms was ___________

AA. Which of the following is not placed in any microorganism’s domain?

AB. Gram stain was developed in the year _________

AC. The most commonly used differential staining procedure is: ____________

AD. Mutation can involve the ____of nucleotides. I. division , II. addition, III. deletion

AE. The acid used as a pharmaceutical to supply calcium to the body is: _________

AF. The Basidiomycota are known a _________ fungi.

AG. Human insulin and human growth hormone are produced by __________bacteria.

AH. A system of surgery designed to prevent microorganisms from entering wounds was developed by __________

AI. Simple acellular entities that can only reproduce within living cells are called _________

AJ. One of these is not an agricultural activity of microorganisms:

AK. Which of the following classes of microorganisms has growth optima around 20 ۫C to 45 ۫C?

AL. ___________ coined the term cell.

AM. The vaccine for the disease anthrax was developed between the period:

AN. ____________are large thick walled spores formed when the tips of two sexually compatible hyphae fuse together.

AO. Which of the following statements best describe transduction?

AP. The acid used as a pharmaceutical to supply calcium to the body is: __________

AQ. Alcoholic fermentation was found to be catalyzed by __________

AR. The process by which the internal and external structures of cells and microorganisms are preserved and fixed in a position is known as: _________

AS. Bacteria were first discovered in the year __________

AT. The union of a special male structure called a spermatium with a female reproductive structure is called ___________

AU. Another name for phenol is _________

AV. A form of asexual reproduction process in which a single cell divides into two cells after developing a transverse septum is called ___________

AW. A regular polyhedron with twenty equilateral triangle faces and twelve vertices is known as __________

AX. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: ___________

AY. Systematic classification of fungi is based on sequence analtses of _________ RNA.

AZ. Which one of the following is not an agricultural activity of microorganisms?

BA. The microscope used in the examination of unstained organisms suspended in fields is called ________ microscope.