The Fundamental Unit of Life

Topics in this chapter

• Cell Discovery and Theory
• Prokaryotic and Eukaryotic Cells
• Plant and Animal Cell Structure
• Plasma Membrane and Transport
• Cell Organelles and Functions
• Nucleus, Chromosomes and Cell Division

Cheat sheet

Practice questions

1. Question 1Q-71B711

   Who discovered cells in cork slices using a primitive microscope?

   1. A.Anton van Leeuwenhoek
   2. B.Robert Hooke
   3. C.Matthias Schleiden
   4. D.Rudolf Virchow
   See the answer and solution
2. Question 2Q-2B530B

   Which of the following cell organelles is bounded by a single membrane?

   1. A.Mitochondria
   2. B.Chloroplast
   3. C.Vacuole
   4. D.Nucleus
   See the answer and solution
3. Question 3Q-002912

   If a fresh plant cell is placed in a hypertonic solution, what will happen to it?

   1. A.Endosmosis will occur, causing the cell to swell.
   2. B.Plasmolysis will occur, causing the protoplasm to shrink away from the cell wall.
   3. C.The cell will burst due to excess water entry.
   4. D.No change will take place in the cell.
   See the answer and solution
4. Question 4Q-E0B048

   Which organelle is primarily responsible for the detoxification of many poisons and drugs in liver cells of vertebrates?

   1. A.Rough Endoplasmic Reticulum
   2. B.Smooth Endoplasmic Reticulum
   3. C.Golgi apparatus
   4. D.Lysosome
   See the answer and solution
5. Question 5Q-03B9A1

   Which of the following structures is present in plant cells but completely absent in animal cells?

   1. A.Cell membrane
   2. B.Cell wall
   3. C.Mitochondria
   4. D.Ribosome
   See the answer and solution