Cells: The Basic Units of Life

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Cells: The Basic Units of
Life
CHAPTER 3
1.Which phrase describes a cell?
 a.
is always very small
 b. does everything needed for
life
 c. always looks like an egg
 d. is found only in plants
2.What are all organisms made of?
a. plants
 b. protists
 c. cells
 d. eggs

3.Where do all cells come from?
a.
 b.
 c.
 d.

animals
ponds
cells
eggs
4. What keeps the size of most cells very
small?
 a.
their hard shells
 b. the surface area–tovolume ratio
 c. food and wastes
 d. their thin surfaces
5. What protects the inside of a cell
from the outside world?
 a.
cytoplasm c. cell membrane
 b. nucleus d. DNA
6. How are archaea different from
bacteria?
 a.Archaea
have different
ribosomes.
 b. Archaea have only one cell.
 c.Archaea have cell membranes.
 d. Archaea have RNA, not DNA.
7. What is cytoplasm?
 a.
the nucleus of a cell
 b. the fluid inside a cell
 c. the genetic material in a
cell
 d. the proteins in a cell
8. Where does photosynthesis take place
in a cell?
 a.
in
 b. in
 c. in
 d. in
the
the
the
the
nucleus
mitochondria
chloroplasts
ribosomes
9. What does the Golgi complex do in a
cell?
 a.It
packages and distributes
proteins.
 b. It is the power source of the
cell.
 c.It makes sugar and oxygen.
 d. It makes proteins.
10. What is the job of the lysosomes?
 a.
They store water.
 b. They digest food
particles.
 c. They make new cells.
 d. They package proteins.
11.a cell with a nucleus
a. DNA
 b. eukaryote
 c. nucleus
 d. prokaryote

12. a cell without a nucleus
a. DNA
 b. eukaryote
 c. nucleus
 d. prokaryote

13. genetic material in cells
a. DNA
 b. eukaryote
 c. nucleus
 d. prokaryote

14. where DNA is stored
a. DNA
 b. eukaryote
 c. nucleus
 d. prokaryote

15. stiff surfaces that support cells
a. cell walls
 b. endoplasmic reticulum
 c. ribosome

16. organelle that makes proteins



a. cell walls
b. endoplasmic reticulum
c. ribosome
17.a cell’s delivery system



a. cell walls
b. endoplasmic reticulum
c. ribosome
18. The lowest level of organization
is the ______________________
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
19. Cells that are like each other and
do the same job form a(n)
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
20. A structure made of two or more
tissues working together is called a(n)
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
21. A group of organs that work
together forms an organ
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
22. Larger size, longer life, and morespecialized cells are characteristics of
______________________ organisms.
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
23. How a part of an organism works
is related to how it is built, or its
 A.
cell
 B. multicellular
 C. organ
 D. structure
 E. system
 F. tissue
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