Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
Folded membranes are an advantage to a cell because _____. a. | cell processes
can be more efficient | b. | the membranes form interconnected
compartments | c. | the membranes provide a large surface
area | d. | all of
these | | |
|
|
|
2.
|
Cell
walls of multicellular plants are composed mainly of _____. a. | cellulose | c. | chitin | b. | vacuoles | d. | pectin | | | | |
|
|
|
3.
|
Each
of the following is a main idea of the cell theory except _____. a. | all cells come
from preexisting cells | b. | the cell is the basic unit of organization of
organisms | c. | all organisms are composed of cells | d. | all cells are
similar in structure and function | | |
|
|
|
4.
|
Which
of the following is NOT true of membranes? a. | Folded membranes increase surface area for
efficiency. | b. | Ribosomes are sometimes attached to folded
membranes. | c. | Endoplasmic reticulum is made up of folded
membranes. | d. | Folded membranes do not form compartments in the
cell. | | |
|
|
|
5.
|
Which
of the following structures is the most complex? a. | organ system | c. | organ | b. | cell | d. | tissue | | | | |
|
|
|
6.
|
One
advantage of electron microscopes over light microscopes is their _____. a. | higher
magnification | c. | size | b. | use of live specimens | d. | two-dimensional image | | | | |
|
|
|
7.
|
A
major difference between a compound light microscope and a transmission microscope is that a light
microscope image _____. a. | can be made from living, unstained
materials | b. | requires thin slices | c. | allows you to
see fine detail of organelles | d. | uses magnet lenses | | |
|
|
|
8.
|
In a
chloroplast, the stacks of membranous sacs are called _____. a. | thylakoid
membrane | c. | plastids | b. | grana | d. | stroma | | | | |
|
|
|
9.
|
When
a cell is ready to reproduce, its DNA is packed into _____. a. | chromatin | c. | nucleoli | b. | nucleoids | d. | chromosomes | | | | |
|
|
|
10.
|
In a
typical animal cell, the cytoplasm occupies _____. a. | a small part of
the volume | c. | one quarter of
the volume | b. | almost all the volume | d. | a little more than half the volume | | | | |
|