12 Questions
Why do we need to observe animal cells and plant cells using a light microscope?
Because they have to be observed using the light microscope.
What are the types of cells that we study to observe the structure of animal cells and plant cells?
Cheek cells for animal cells and onion epidermal cells for plant cells.
What are the small structures present within the cell that perform different functions?
Organelles.
What is the outer covering of the plant cell made up of?
Cellulose.
What is the difference between the nucleus of an animal cell and a plant cell?
Both have a centralized nucleus.
Why can't most organelles be observed through the light microscope?
Because they are too small to be observed.
What was observed by Robert Hooke in a section of a cork using a microscope in 1665?
A structure like chambers in a beehive, which he named as cells.
What are the three main contents of the cell theory?
The structural and functional unit of life is the cell, all organisms are made up of one or more cells, and new cells are formed from pre-existing cells.
What is the difference between unicellular and multicellular organisms?
Unicellular organisms are composed of a single cell, whereas multicellular organisms are composed of many cells.
What is the function of red blood cells in the body?
The transportation of oxygen.
What is the main characteristic that distinguishes cells from one another?
Their shape, size, and function.
Why are cells not visible to the naked eye, except in a few occasions?
Because they are microscopic in size.
Learn about the discovery of cells by Robert Hooke and the cell theory introduced by Schleiden, Schwann, and Radolf Virchow. Understand the structural and functional units of life and their significance in biology.
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