The Basic Units of Life (Grade 10 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Who first coined the term 'cell' when observing cork tissue under a microscope?
Who first coined the term 'cell' when observing cork tissue under a microscope?
Robert Hooke
What is the maximum magnification a light microscope can achieve?
What is the maximum magnification a light microscope can achieve?
1000X
Which type of microscope can be used to observe living specimens?
Which type of microscope can be used to observe living specimens?
Light microscope
How does a scanning electron microscope (SEM) produce images?
How does a scanning electron microscope (SEM) produce images?
Electrons bounce off the surface
What is the function of the diaphragm and condenser on a microscope?
What is the function of the diaphragm and condenser on a microscope?
Controls the amount of light
Which objective should you start with when using a microscope?
Which objective should you start with when using a microscope?
Lowest power objective
Which adjustment screw should you use when switching to higher magnification?
Which adjustment screw should you use when switching to higher magnification?
Fine adjustment screw only
If eyepiece is 10X and objective is 40X, what is the overall magnification?
If eyepiece is 10X and objective is 40X, what is the overall magnification?
400X
What happens to the field of view as magnification increases?
What happens to the field of view as magnification increases?
It decreases
What is the resolution of a TEM compared to a light microscope?
What is the resolution of a TEM compared to a light microscope?
10,000 times better