BIO217

Category: BIO217

ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!

BIO217

1 / 50

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

2 / 50

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

1. they are either anaerobes or preferentially anaerobic

2. they are either saprophytes or pathogens

3. they are slightly straight or curved rods

4. they are acid fast

3 / 50

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

1. differential staining

2. Gram staining

3. Simple staining

4. Acid fast staining

4 / 50

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

1. Protozoa

2. Algae

3. Viruses

4. Fungi

5 / 50

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

6 / 50

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

1. Compound microscope

2. Light microscope

3. Electron microscope

4. Simple microscope

7 / 50

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

8 / 50

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

1. Gliding non – fruiting bacteria

2. Archaeobacteria

3. Spirochetes

4. Budding bacteria

9 / 50

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

10 / 50

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

1. Gubberellic acid

2. Lactic acid

3. Citric acid

4. Gluconic acid

11 / 50

K. ______________ is used for food preservation.

12 / 50

L. __________ is the simplest virus.

13 / 50

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

1. Gubberellic acid

2. Gluconic acid

3. Lactic acid

4. Citric acid

14 / 50

N. Most microorganisms cannot be seen without ___________

15 / 50

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

1. staining of specimens

2. Fixation

3. Hanging drop technique

4. Stained smears of microorganism

16 / 50

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

1. 1870 -1880

2. 1890 - 1900

3. 1860 - 1870

4. 1880 - 1890

17 / 50

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

18 / 50

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

19 / 50

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

1. Cycling of nutrients needed to maintain ecological balance

2. Biological central agents

3. Digestion of cellulose present in grasses on which ruminant animals feed

4. Production of ethanol

20 / 50

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

21 / 50

U. Gram stain was developed in the year _________

22 / 50

V. Who supported the theory of spontaneous generation?

1. John Needham

2. Louis Pasteur

3. Louis Jablot

4. Francesco Redi

23 / 50

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

1. Gram staining

2. Acid fast staining

3. Simple staining

4. differential staining

24 / 50

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

1. II only

2. III and II

3. I and II

4. I only

25 / 50

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

26 / 50

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

27 / 50

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

1. Peptococcus

2. Streptococcus

3. Micrococcus

4. Staphylococcus

28 / 50

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

1. Light microscope

2. Electron microscope

3. Compound microscope

4. Simple microscope

29 / 50

AC. Bacteria were first discovered in the year __________

30 / 50

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

31 / 50

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

32 / 50

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

1. psychophiles

2. thermophiles

3. mesophiles

4. hypothermophiles

33 / 50

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

34 / 50

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

35 / 50

AI. Another name for phenol is _________

36 / 50

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

1. ethylene

2. chlorine

3. aldehydes

4. alcohol

37 / 50

AK. The Basidiomycota are known a _________ fungi.

38 / 50

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

39 / 50

AM. Alcoholic fermentation was found to be catalyzed by __________

40 / 50

AN. ___________ coined the term cell.

41 / 50

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

1. Digestion of cellulose present in grasses on which ruminant animals feed

2. Production of ethanol

3. Cycling of nutrients needed to maintain ecological balance

4. Biological central agents

42 / 50

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

1. Oxidase

2. Hydrogenase

3. Living yeast cells

4. Catalase

43 / 50

AQ. Cell division in Saccharomyces cerevisiae occur by _________

44 / 50

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

45 / 50

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

46 / 50

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

1. Joseph Lister

2. Edwards Jenner

3. Robert Koch

4. Francesco Redi

47 / 50

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

48 / 50

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

49 / 50

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

1. Phase contrast microscope

2. Dark field microscope

3. Transmission microscope

4. Scanning microscope

50 / 50

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

Rate this quiz