Cell theory Knowledge-Based Download PDF

Questions

1. 1.

   Which two scientists synthesized botanical and zoological findings to formally establish the classical cell theory tenet that all living organisms are composed of cells?

   • A) Robert Hooke and Antonie van Leeuwenhoek
   • B) Matthias Schleiden and Theodor Schwann
   • C) Rudolf Virchow and Robert Remak
   • D) Louis Pasteur and Robert Koch
2. 2.

   Which of the following statements is a principle introduced by modern cell theory that was not part of the original nineteenth-century classical cell theory?

   • A) All living organisms are composed of one or more cells.
   • B) The cell is the fundamental unit of structure and organization in organisms.
   • C) Energy flow and metabolic processes occur within cells.
   • D) All new cells arise from the division of pre-existing cells.
3. 3.

   Which scientist formulated the fundamental tenet of classical cell theory stating that all living cells arise only from pre-existing cells?

   • A) Anton van Leeuwenhoek
   • B) Rudolf Virchow
   • C) Matthias Schleiden
   • D) Robert Hooke
4. 4.

   Which of the following entities is widely considered an exception to classical cell theory because it lacks a cellular structure and cannot perform metabolic processes independently?

   • A) A photosynthetic cyanobacterium
   • B) A unicellular budding yeast
   • C) A free-living amoeboid protozoan
   • D) A pathogenic influenza virus
5. 5.

   Which of the following statements represents one of the fundamental tenets of classical cell theory?

   • A) Cells arise spontaneously from non-living organic compounds under favorable environmental conditions.
   • B) All living organisms are composed of one or more cells.
   • C) Every living cell possesses a defined membrane-bound nucleus containing its genetic material.
   • D) Metabolic activities occur independently outside of cellular boundaries in all complex organisms.