Quiz I -- Interactive Study Guide.
Click on the questions to go to a short quiz. The quiz is most effective
if you study before you take it.
(if you print this, save it to a disk and print off of the disk. Share
this with classmates who are not web-savvy.)
Some questions for quiz #1:
1. Write 0.456 in scientific
notation. Write it so that there is only one (non-zero) digit to the left
of the decimal point.
2. Write 1,023 in scientific
notation. Write it so that there is only one (non-zero) digit to the left
of the decimal point.
3. What are the four basic categories
of nutrients (besides water) which are present in most bacteriological
media.
4. What does it mean when we
say that your microscope is parfocal? How will this help you when focusing
your microscope?
5. Do you need more light or
less light for low power versus oil immersion?
6. What are the ways by which
you can control the light intensity and quality passing through the microscope
specimen.
7. What is the difference between
magnification and resolving power of a lens?
8. The resolving power of a
lens is in part determined by the the wavelength of light passing through
it. Blue light has a wavelength of about 400 nm and red light a wavelength
of about 700 nm. With which type of light would you expect better resolution?
This question involves concepts
discussed in question #7, therefore this link goes back to that question.
9. What is the purpose of the
immersion oil?