Biological Classification Questions and Answers

Biotechnology involves the a. use of microorganisms to make desired products. b. use of animal cells to make vaccines. c. development of disease-resistant crop plants. d. a and b only e. a, b and c

Which of the following is a spiral bacterial cell shape with a short curve? a. vibrio b.spirillum c. bacillus d. spirochete e. coccus

Which of the following statements about contamination is NOT correct? a. Contaminants may include food products, hair, dander, or even naturally occuring bacteria from skin. b. Contamination makes it more difficult obtain consistent results and may even produce false results. c. Contamination does not occur easily. d. Proper sanitary lab practices minimize the risk of contamination. e. Potential contamination sources include anything you have touched that might still be on your hands.

Which of the following would be LEAST likely to result in contamination? a. neglecting to enclose a mobile device in a plastic bag while performing lab work b. scratching your head while performing lab work c. eating while performing an experiment d. touching your face while performing lab work e. washing your hands properly before and after lab work

What is the MINIMUM amount of time you should spend washing your hands? a. approximately 2 seconds-about the time needed to say the words "Happy Birthday" two times b. approximately 40 seconds-about the time needed to sing the "Happy Birthday" song four times c. approximately 10 seconds-about the time needed to sing "Happy Birthday" one time d. approximately 20 seconds-about the time needed to sing the "Happy Birthday" song two times e. approximately 30 seconds-about the time needed to sing the "Happy Birthday" song three times

Which one of the following choices refers to a classification like multispecialty and single specialty? a) Taxonomy b) Diagnoses c) Codes d) CDSS

4)Why is channel richness important? How should it differ when communicating with individuals from other generations?

What is the name of the long cellular appendage that aids in cellular movement? Plasmid Capsule Pilus Flagellum

Which of the following types of organisms contain a nucleus? O Archaea cells O Bacteria cells O Eukaryotic cells O Prokaryotic cells

Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species. Recently, these birds have been classified as eastern and western forms of a single species, the yellow-rumped warbler. Which of the following pieces of evidence, if true, would be cause for this reclassification? The two forms interbreed often in nature, and their offspring have good survival and reproduction. The two forms have many genes in common. The two forms are very similar in coloration. The two forms live in similar habitats. The two forms have similar food requirements

Which eukaryotic kingdom is polyphyletic, and therefore unacceptable, based on cladistics? Plantae Protista Monera Fungi Animalia

A taxon that includes a common ancestor, all descendants of that ancestor, and no other organisms is considered to be: monophyletic paraphyletic monogamous polyphyletic

During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which statement is most likely to be helpful in correcting this student's misconception? Spontaneous mutations can result in the appearance of new traits. Characteristics acquired during an organism's life are generally not passed on through genes. If the giraffes did not have to compete with each other, longer necks would not have been passed on to the next generation. Disuse of an organ may lead to its eventual disappearance.

The period of time when there were two popes leading the Catholic Church is known as the A. Dual Papacy B. Great Schism C. Hundred Years War

The belief that the pope is an agent of God on the Earth is known as A. Papal Supremacy B. Divine Right C. Eminent Domain

Which of the following is considered a negative staining method? endospore stain capsule stain flagella stain

After staining, endospores will be _____

Which of the following are examples of the more traditional phenotypic approach to bacterial identification? Check All That Apply PCR antigen-antibody reactions Gram stain morphology ability to ferment glucose growth and colony morphology on differential media

Which sentence correctly punctuates this adverb clause: if my mom calls A. Tell her if my mom calls that I will call her back later. B. Tell her that I will call her back later, if my mom calls. C. If my mom calls tell her that I will call her back later. D. If my mom calls, tell her that I will call her back later.

Which of the following statements is TRUE? O Some prokaryotes are producers O None of the answers is correct O Prokaryotes can be all of these things O Some prokaryotes are pathogens O Some prokaryotes are detrivores (decomposers)

Which power boasted the largest contiguous empire in human history (in 13th century Asia)? A. the Mongols B. the Greeks C. the Phoenicians D. Persia