Microbiology Chapter 1 Test Bank with questions and correct answers 2024

Which of the following statement is FALSE? A) Microbial cells can exist as single cells. B) Microbial cells carry out their life processes of growth independently. C) Microbial cells include both bacteria and viruses. D) Microbial cells are surrounded by a cytoplasmic membrane. - Correct AnswersC. Microbial cells include both bacteria and viruses Which of the following statements is correct? A) Microorganisms are significant contributors to the total biomass on Earth. B) Microorganisms represent a much smaller amount of Earth's biomass than plants. C) Microorganisms represent a much smaller amount of Earth's biomass than animals. D) Microorganisms are significant in number, but not in overall biomass. - Correct AnswersA. Microorganisms are significant contributors to the total biomass of the Earth Differential selection and decent with modification occurs during a process called A) cellular differentiation. B) evolution. C) growth. D) transformation. - Correct AnswersB. evolution In what/which domain(s) of life is/are microorganisms represented? A) Archaea B) Bacteria C) Eukarya D) Archaea, Bacteria, and Eukarya - Correct AnswersD. Archaea, Bacteria, and Eukarya Biological catalysts involved in the acceleration of the rate of chemical reactions are called A) catalytic converters. B) growth agents. C) evolutionary molecules. D) enzymes. - Correct AnswersD. enzymes Regarding early life on Earth, A) microbial life existed for billions of years before plant and animal life. B) microbial life existed long before animals but has been around for about the same amount of time as plants. C) microbial life, plant life, and animal life all appeared at about the same time. D) it is impossible to determine which type of life first appeared. - Correct