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WorksheetsGalloway's Chapter 4 Review
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
-All living things are composed of cells
-Cells are the basic unit of structure and function in living things
-All cells are produced from other cells
The above is called the ______?
-Cells are the basic unit of structure and function in living things
-All cells are produced from other cells
The above is called the ______?
a)
cell theory
b)
scientific method
c)
rules of classification
d)
metric system
2.
protects and supports the cell
a)
cell wall
b)
chloroplast
c)
ER
d)
cell membrane
3.
The control center of the cell
a)
nucleolus
b)
mitochondria
c)
nucleus
d)
chloroplaast
4.
What is the function of the mitochondria?
a)
converts energy from food molecules into energy the cell can use
b)
directs cell activities
c)
makes ribosomes
d)
controls what can enter and leave the cell
5.
Which scientist was the first to see living cells?
a)
Robert Hooke
b)
Charles Darwin
c)
Anton von Leeuwenhoek
d)
Carolus Linneaus
6.
The movement of materials through a cell membrane requiring energy is called
a)
passive transport
b)
active transport
c)
osmosis
d)
diffusion
7.
In what kinds of cells are you going to find a cell membrane?
a)
in animal cells
b)
in plant cells
c)
in all cells
d)
in bacterial cells
8.
What is the function of the cell membrane?
a)
directs cell activities
b)
protects and supports the cell
c)
grinds up food particles
d)
controls which substances enter and leave the cell
9.
Cells in __________ organisms are often quite different from each other.
a)
unicellular
b)
one-celled
c)
many-celled
d)
some
10.
The invention of the microscope made it possible for people to discover ___?
a)
animalcules
b)
cells
c)
elements
d)
energy
11.
What is Osmosis?
a)
diffusion of water through a selectively permeable membrane
b)
movement of molecules using energy
c)
movement of molecules to the basement of a body that uses tons of energy
d)
enzymes are important because they speed up chemical reactions
12.
A substance that cannot be broken down into simpler substances
a)
element
b)
enzymes
c)
cells
d)
carbohydrates
13.
Where are specialized cells found?
a)
in unicellular organisms
b)
in multicellular organisms
c)
in the nucleus
d)
in the cell wall
14.
Why are enzymes important?
a)
works like fertilizer
b)
diffuses water
c)
grill steaks for dinner
d)
speed up chemical reactions
15.
A group of similar cells that work together to perform a specific funtion
a)
tissue
b)
organs
c)
cells
d)
organ system
16.
_____ refers to the movement of molecules from an area of higher concentration to an area of lower concentration.
a)
osmosis
b)
diffusion
c)
mitosis
d)
photosynthesis
17.
The movement of molecules through a cell membrane without using energy
a)
osmosis
b)
active transport
c)
diffusion
d)
passive transport
18.
What are examples of carbohydrates?
a)
enzymes and starches
b)
sugars and starches
c)
lipids and sugars
d)
sugars and proteins
19.
What is the function of the vacuole in a cell?
a)
stores food and other materials needed by the cell
b)
directs all cell activities
c)
makes proteins
d)
provides energy
20.
Cells are the basic unit of _______ and ______ in living things
a)
structure; function
b)
structure; protection
c)
system; function
d)
system; protection
21.
In which organelle are proteins produced?
a)
Ribosomes
b)
Lysosomes
c)
ER
d)
Golgi Body
22.
This organelle contains chemicals that break down food particles and old cell parts
a)
mitochondria
b)
ribosome
c)
lysosome
d)
cell wall
23.
Any substance that cannot be broken down into a simpler substance. Example: carbon, oxygen, hydrogen
a)
nucleic acid
b)
compound
c)
element
d)
proteins
24.
When two or more elements combine chemically, they form a(n)
a)
element
b)
atom
c)
compound
d)
hydrogen bomb
25.
DNA belongs to the group of organic compounds called
a)
nucleic acids
b)
covalent bonds
c)
enzymes
d)
lipids
26.
First person to see cells
a)
Charles Darwin
b)
Robert Hooke
c)
Aristotle
d)
Carolus Linnaeus
27.
Robert Hooke used a microscope to see "tiny rectangular rooms", that he called
a)
species
b)
ribosomes
c)
atoms
d)
cells
28.
The nucleus of a cell has thin strands of _______ that contain genetic material.
a)
cellulose
b)
silk threads
c)
chromatin
d)
noodles
29.
A light microscope that has two or more lenses is called a
a)
electron microscope
b)
compound light microscope
c)
zoom microscope
d)
dissecting microscope
30.
Oxygen molecules move across cell membranes through a process called
a)
diffusion
b)
osmosis
c)
photosynthesis
d)
facilitated diffusion
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