28 Questions
What is the function of the body tube in a light microscope?
To hold the objective lens and rotate to change magnification
What does the term 'resolution' refer to in the context of microscopes?
The ability to distinguish two very close objects from each other
Which part of the microscope supports and stabilizes it?
Base
What is the function of the diaphragm in a light microscope?
Controls the amount of light passing through the slide
Who used the microscope to discover cells?
Robert Hooke
What does 'magnification' refer to in the context of microscopes?
How many times larger an image is than the actual object itself
What is the function of the cell wall in plants?
To keep the cell rigid and protect it against mechanical stress and infection
Which organelle is known as the powerhouse of the cell?
Mitochondria
What is the main function of chlorophyll in plants?
Converts light energy into chemical energy
Which type of cells contain a nucleus bound by a double membrane?
Eukaryotic cells
What is the function of vacuoles in plant cells?
Cell storage center for functions like secretion, excretion, and storage
Which type of cells have a simpler structure than eukaryotic cells?
Prokaryotic cells
What is the main function of the cell membrane?
Controls what enters and leaves the cell
What is the function of the revolving nosepiece in a light microscope?
Holds the objective lens and is able to rotate to change magnification
What is the main function of the arm in a light microscope?
Supports and stabilizes the microscope when it is carried
What part of the light microscope is used to make small focus adjustments, especially when using the high power?
Fine Focus Knob
Which part of the light microscope supports the slide that is being viewed?
Stage
What is the function of the diaphragm in a light microscope?
Controls the amount of light passing through the slide
What does 'resolution' refer to in the context of microscopes?
The ability to distinguish two very close objects from each other
What is the main function of the cell wall in plants?
Keeping the cell rigid and strong
Which organelle is known as the powerhouse of the cell?
Mitochondria
What is the main function of chlorophyll in plants?
Performs photosynthesis
What does a vacuole in a plant cell primarily do?
Stores cell sap and helps with photosynthesis
Which type of cells contain a nucleus bound by a double membrane?
Eukaryotic cells
What is the main function of the cytoplasm in a cell?
Provides an aqueous medium for chemical reactions
What is the primary role of the ribosomes in a cell?
Performs protein synthesis
What differentiates prokaryotic cells from eukaryotic cells?
Prokaryotic cells have a simpler structure than eukaryotic cells.
Which part of the plant cell contains chlorophyll and facilitates photosynthesis?
Chloroplasts
Test your knowledge about microscopes and the discovery of cells in biology. This quiz covers the invention of microscopes, their parts, magnification, and resolution, along with the contributions of Robert Hooke in cell discovery.
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