WorksheetsCh. 7 Quizizz
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
Who used a compound microscope to see chambers within cork and named them “cells”?
a)
Anton van Leeuwenhoek
b)
Robert Hooke
c)
Matthias Schleiden
d)
Rudolf Virchow
2.
What advance in technology made the discovery of cells possible?
a)
the centrifuge
b)
the particle accelerator
c)
the ultraviolet light
d)
the microscope
3.
Which of the following is NOT a principle of the cell theory?
a)
Cells are the basic units of life.
b)
All living things are made of cells.
c)
Very few cells are able to reproduce.
d)
All cells are produced from existing cells.
4.
Which of these is NOT true of cells?
a)
They are much like empty rooms.
b)
They were first discovered in the 1600s.
c)
They can be found in pond water.
d)
They contain an array of working organelles.
5.
Electron microscopes can reveal details
a)
only in specimens that are still alive.
b)
about the different colors of cell structures.
c)
of cell structures only once they are stained.
d)
1000 times smaller than those visible in light microscopes.
6.
Which type of microscope can produce three-dimensional images of a cell’s surface?
a)
transmission electron microscope
b)
scanning electron microscope
c)
simple light microscope
d)
compound light microscope
7.
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
a)
The cell lacks cytoplasm.
b)
The cell lacks a cell membrane.
c)
The cell lacks a nucleus.
d)
The cell lacks genetic material.
8.
Which of the following enclose their DNA in a nucleus?
a)
prokaryotes
b)
bacteria
c)
eukaryotes
d)
viruses
9.
Not all cells are alike. Which of the following is NOT a true statement about differences between cells?
a)
Cells come in many different shapes.
b)
Different kinds of cells are different sizes.
c)
Some cells have a nucleus, but others do not.
d)
Most cells have a membrane, but some do not.
10.
Which of the following organisms are prokaryotes?
a)
plants
b)
animals
c)
bacteria
d)
fungi
11.
Which of the following conclusions could you draw about the cell shown in Figure 7–1?
a)
The cell is eukaryotic because it has a nucleus.
b)
The cell is prokaryotic because it has a nucleus.
c)
The cell is eukaryotic because it does not have a nucleus.
d)
The cell is prokaryotic because it does not have a nucleus.
12.
Which of the following is a function of the nucleus?
a)
stores DNA
b)
stores sugars
c)
builds proteins
d)
packages proteins
13.
Which structure makes proteins using coded instructions that come from the nucleus?
a)
Golgi apparatus
b)
mitochondrion
c)
vacuole
d)
ribosome
14.
Which structure in the cell shown in Figure 7–3 above modifies, sorts, and packages proteins and other materials for storage or release from the cell?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
15.
Which organelles are involved in energy conversion?
a)
mitochondria and chloroplasts
b)
mitochondria and ribosomes
c)
smooth and rough endoplasmic reticulum
d)
Golgi apparatus and chloroplasts
16.
Which of the following structures serves as the cell’s boundary from its environment?
a)
mitochondrion
b)
cell membrane
c)
chloroplast
d)
channel protein
17.
Which of the following is a function of the cell membrane?
a)
breaks down lipids, carbohydrates, and proteins from foods
b)
stores water, salt, proteins, and carbohydrates
c)
keeps the cell wall in place
d)
regulates the movement of materials into and out of the cell
18.
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
a)
carbohydrates
b)
lipids
c)
bilipids
d)
proteins
19.
During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will
a)
move across the membrane to the outside of the cell.
b)
stop moving across the membrane.
c)
continue to move across the membrane in both directions.
d)
move across the membrane to the inside of the cell.
20.
The diffusion of water across a selectively permeable membrane is called
a)
osmotic pressure.
b)
osmosis.
c)
pinocytosis.
d)
active transport.
21.
An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
a)
water to move into the cell.
b)
water to move out of the cell.
c)
solutes to move into the cell.
d)
solutes to move out of the cell.
22.
Which means of particle transport requires input of energy from the cell?
a)
diffusion
b)
osmosis
c)
facilitated diffusion
d)
active transport
23.
Which means of particle transport is shown in Figure 7–4 above?�
a)
diffusion
b)
osmosis
c)
facilitated diffusion
d)
active transport
24.
Which term describes the relatively constant internal physical conditions of an organism?�
a)
cell specialization
b)
homeostasis
c)
organ system
d)
unicellularity
25.
The cells of unicellular organisms are
a)
specialized to perform different tasks.
b)
larger than those of multicellular organisms.
c)
able to carry out all of the functions necessary for life.
d)
unable to respond to changes in their environment.
26.
Which of the following is an example of an organ?
a)
heart
b)
epithelial tissue
c)
digestive system
d)
nerve cell
27.
Which list represents the levels of organization in a multicellular organism from the simplest level to the most complex level?
a)
cell, tissue, organ system, organ
b)
organ system, organ, tissue, cell
c)
tissue, organ, organ system, cell
d)
cell, tissue, organ, organ system
28.
Prokaryotic and eukaryotic cells are surrounded by a thin, flexible barrier called a cell membrane
a)
True
b)
False
29.
The assembly of ribosomes begins in a small dense structure called the chromatin.
a)
True
b)
False
30.
Ribosomes that synthesize proteins are found on the smooth endoplasmic reticulum.
a)
True
b)
False
31.
Plant cells have chloroplasts but not mitochondria.
a)
True
b)
False
32.
Water, carbon dioxide, oxygen, and some other substances can pass through the cell wall.
a)
True
b)
False
33.
According to the cell theory, all cells come from existing
a)
cells
b)
nucleolous
c)
vacoule
d)
nucleus
e)
ribosomes
34.
Depending on whether they have a ____________________, unicellular organisms are classified as either eukaryotes or prokaryotes.
a)
nucleus
b)
nucleolous
c)
vacoule
d)
cells
e)
ribosomes
35.
The small, dense region indicated in Figure 7–7 by the letter D is called the ____________________.
a)
nucleolous
b)
vacoule
c)
nucleus
d)
cells
e)
ribosomes
36.
The storage structure indicated in Figure 7–6 by the letter F is a(an) ____________________ .
a)
vacoule
b)
nucleolous
c)
nucleus
d)
cells
e)
ribosomes
37.
Cells that need to make a lot of protein are expected to have a large number of ________________.
a)
ribosomes
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
38.
The cell takes in food and water and eliminates wastes through its selectively permeable _________________________.
a)
cell membraine
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
39.
Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. This process is called ____________________.
a)
diffusion
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
40.
Large molecules, such as glucose, that cannot cross the lipid bilayer can still move across the membrane through a type of passive transport called _________________________.
a)
facilitated diffusion
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
41.
Some materials can move across the cell membrane against a concentration gradient by ____________________.
a)
active transport
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
42.
A cell’s relatively constant internal physical and chemical conditions are called _________________________.
a)
homeostasis
b)
nucleolous
c)
vacoule
d)
nucleus
e)
cells
43.
A cell placed in a hypertonic Solution will
a)
swell
b)
begin transcription
c)
shrink
d)
remain at equilibrium
44.
A cell placed in a hypotonic environment will
a)
Shrink
b)
Swell
c)
remain at equilibrium
d)
begin transcription
45.
A cell placed in a isotonic environment will
a)
shrink
b)
swell
c)
remain at equilibrium
d)
begin transcription
100 %
