microbiology chapter 1 Exam Questions with erro-free Answer

microbiology chapter 1 Exam Questions with erro-free Answer 1) Infectious disease is almost totally eradicated in our world. - ANSWER-Answer: FALSE .1) Microorganisms are involved in each of the following processes EXCEPT A) infection. B) decomposition of organic material. C) O2 production. D) food production. E) smog production. - ANSWER-Answer: E smog production. .10) All pathogens known to infect humans have been identified at this point in time. - ANSWER-Answer: FALSE .11) Protozoan motility structures include A) cilia. B) flagella. C) pseudopods. D) cilia and pseudopods only. E) cilia, flagella, and pseudopods. - ANSWER-Answer: E .12) Viruses are not considered living organisms because they A) cannot reproduce by themselves. B) are structurally very simple. C) can only be visualized using an electron microscope. D) typically associated with disease. E) are ubiquitous in nature. - ANSWER-Answer: A .13) The infectious agent that causes AIDS is a A) virus. B) bacterium. C) yeast. D) protozoan. E) mold. - ANSWER-Answer: A .14) Which of the following is NOT a domain in the three-domain system? A) animalia B) archaea C) bacteria D) eukarya - ANSWER-Answer: A