Microbiology Basics and Microorganisms Classification Quiz
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Questions and Answers

What is a common example of a pathogen that causes non-infectious diseases or cancer?

  • Helicobacter pylori (correct)
  • Salmonella enterica
  • Listeria monocytogenes
  • Streptococcus pyogenes

What is the main function of macromolecules in biological systems?

  • Providing structural support and stored energy (correct)
  • Transporting oxygen in the bloodstream
  • Maintaining body temperature
  • Enhancing immune response

Which components are present in the composition of nucleic acids?

  • Carbohydrates and fatty acids
  • Glycoproteins and lipoproteins
  • Phospholipids and amino acids
  • Nucleotides and sugars (correct)

What are the major steps involved in performing a scientific experiment?

<p>Observation, Question/Problem, Hypothesis, Experiment, Result, Conclusion (C)</p> Signup and view all the answers

Which of the following statements best differentiates between theory and law in scientific terms?

<p>Theories are supported by evidence; Laws are absolute truths. (B)</p> Signup and view all the answers

Who pioneered the concept of Biogenesis stating that living things arise only from other living things?

<p>Louis Pasteur (C)</p> Signup and view all the answers

What is the main difference between acellular and cellular microorganisms?

<p>Acellular microorganisms have genetic material surrounded by a protein coat, while cellular microorganisms consist of one or more cells (D)</p> Signup and view all the answers

Which of the following correctly orders the given microorganisms from smallest to largest?

<p>Virus, Prion, Bacteria, Fungi (A)</p> Signup and view all the answers

What distinguishes prokaryotic cells from eukaryotic cells?

<p>Prokaryotic cells lack a nucleus and organelles, while eukaryotic cells have a nucleus and membrane-bound organelles (B)</p> Signup and view all the answers

Where can microbes be found?

<p>Microbes are present in soil, water, air, on surfaces, and inside living organisms (D)</p> Signup and view all the answers

What is the primary function of decomposers in an ecosystem?

<p>Decomposers break down dead organic matter into simpler substances to recycle nutrients (B)</p> Signup and view all the answers

What is a pathogen and why are they harmful?

<p>Pathogens are disease-causing agents that can harm living organisms (C)</p> Signup and view all the answers

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