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MCQs

Total Questions : 339 | Page 11 of 34 pages
Question 101. Various bacterial species can be subdivided into
  1.    subspecies
  2.    biovarieties
  3.    serovarieties
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 102. Mycoplasmas, rickettsiae, and chlamydiae are
  1.    types of fungi
  2.    small bacteria
  3.    species of protozoa
  4.    forms of viruses
 Discuss Question
Answer: Option B. -> small bacteria
Answer: (b).small bacteria
Question 103. Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well?
  1.    Homeostasis
  2.    Tissues
  3.    Reproduction
  4.    Molecules
 Discuss Question
Answer: Option D. -> Molecules
Answer: (d).Molecules
Question 104. A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive?
  1.    It contains DNA
  2.    It is made of a single cell
  3.    It utilizes energy
  4.    All of these
 Discuss Question
Answer: Option C. -> It utilizes energy
Answer: (c).It utilizes energy
Question 105. Which of the following structure is absent in eukaryotic cells?
  1.    Mitochondria
  2.    Chloroplasts
  3.    Golgi structure
  4.    Mesosome
 Discuss Question
Answer: Option D. -> Mesosome
Answer: (d).Mesosome
Question 106. Who was the inventor of the Petri dish?
  1.    R.J. Petri, an assistant of R. Koch
  2.    A famous French cook
  3.    Italian glass blower from Petri, Italy
  4.    None of the above
 Discuss Question
Answer: Option A. -> R.J. Petri, an assistant of R. Koch
Answer: (a).R.J. Petri, an assistant of R. Koch
Question 107. Cell theory includes all of the following except
  1.    all organisms are composed of one or more cells
  2.    the cell is the most primitive form of life
  3.    the cell is the structural unit of life
  4.    cells arise by division of preexisting cells
 Discuss Question
Answer: Option B. -> the cell is the most primitive form of life
Answer: (b).the cell is the most primitive form of life
Question 108. The five-kingdom system of classification was set up by
  1.    Louis Pasteur
  2.    Robert Whittaker
  3.    Robert Koch
  4.    Masaki Ogata
 Discuss Question
Answer: Option B. -> Robert Whittaker
Answer: (b).Robert Whittaker
Question 109. Which one is not studied in microbiology?
  1.    Bacteria
  2.    Animal behaviour
  3.    Fungi
  4.    Algae
 Discuss Question
Answer: Option B. -> Animal behaviour
Answer: (b).Animal behaviour
Question 110. A characteristic of protein synthesis in both the archaea and eukarya is
  1.    transcription and translation are coupled
  2.    translation is inhibited by diphtheria toxin
  3.    proteins are synthesized from D-, rather than L-, isomers of amino acids
  4.    the initiator tRNA is charged with N-formyl-methionine
 Discuss Question
Answer: Option C. -> proteins are synthesized from D-, rather than L-, isomers of amino acids
Answer: (c).proteins are synthesized from D-, rather than L-, isomers of amino acids

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