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Cell Transport
Test Description: Simple questions about Passive and Active Transport.
Instructions: Answer all questions to get your test result.
1) How many elements occur naturally on Earth?
A
More than 90
B
About 80
C
90
D
Less than 10
2) Atoms contain all of the following, except...
A
Protons
B
Electrons
C
Organelles
D
Neutrons
3) Electrically charged atoms are called ________.
A
Compounds
B
Neutral atoms
C
Ions
D
Elements
4) Two substances mixed together can form any of the following EXCEPT ________.
A
a solution
B
a suspension
C
an element
D
a mixture
5) Enzymes are a kind of ________ that speed up chemical reactions without being changed.
A
lipid
B
carbohydrate
C
protein
D
nucleic acid
6) Molecules move into and out of a cell through the ________.
A
endoplasmic reticulum
B
nucleus
C
cytoplasm
D
cell membrane
7) The net movement of molecules from an area where there are many to an area where there are few is called ________.
A
selective permiability
B
diffusion
C
active transport
D
exocytosis
8) Osmosis is the diffusion of ________ through a cell membrane in order to establish an equilibrium of solutes.
A
water
B
hydrogen
C
proteins
D
carbon dioxide
9) Of the following, which is NOT a method of transporting materials into a cell?
A
Exocytosis
B
Endocytosis
C
Active transport
D
Diffusion
10) ________ is the total of all chemical activities of an organism that enable it to stay alive, grow, and reproduce.
A
Equilibrium
B
Metabolism
C
Osmosis
D
Active Transport
*select an answer for all questions
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