1.for which accomplishment is robert hooke best known?
select one:
a. cloning sheep
b. creating microscopes
c. observing cells of a cork tree
d. discovering bacteria
2.the first cells viewed through a microscope were
select one:
a. cork
b. protest
c. fungi
d. skin
3.the cell theory is important because
select one:
a. it is the first scientific discovery in the field of biology
b. it provides us with a definition for life.
c. it marks the discovery of atoms
d. it differentiates true scientists from non-scientists
4.compound light microscopes are so named because there are two oculars.
select one:
true
false
5.josie is using a compound light microscope. as she looks for her specimen in the field of view, she finds that it is too dark to see anything. which of the following is something that josie should not try to manipulate in order to solve her problem?
select one:
a. adjust the diaphragm
b. make sure the power source is turned on
c. check the transparency of her slide and specimen
d. adjust the coarse focus knob while using the 100x objective
6.while viewing an amoeba under a compound light microscope, micah was disappointed to find that at the end of the lab period, his amoeba had stopped moving. what is the most likely cause of micah's observation?
select one:
a. micah accidentally added a stain that killed the amoeba.
b. after too long under the microscope, the heat emitted from the light source dried out the specimen.
c. micah smashed the amoeba as he changed from the medium power objective to the low power objective.
d. amoebas do not live very long.
7.you are observing an amoeba using a compound light microscope. in the field of view, the amoeba moves to the right and up. which direction should you move the slide to re-center the amoeba?
select one:
a. right and up
b. right and down
c. left and up
d. left and down
8.which of the following is an accurate assessment of science and technology?
select one:
a. the ability to make scientific discoveries can be limited by the technology available.
b. if a scientist tries hard enough, she can discover anything.
c. discoveries in one branch of science often hinder the success of discoveries in another branch of science.
d. scientists make greater discoveries when they work by themselves.