WorksheetsCells Unit Test Review
Total questions: 40
Worksheet time: 30mins
Name
Class
Date
1.
The process of mitosis and cytokenesis produce two two idenetical...
a)
daughter cells
b)
strands
c)
chromosomes
d)
chromatids
2.
What phase is this?
a)
prophase
b)
metaphase
c)
anaphase
d)
telephase
3.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
4.
What would happen to the plant cell without the chloroplasts?
a)
There wouldn't be an organelle that performs photosynthesis
b)
There wouldn't be an organelle that serves as the resevoir for water and waste
c)
There wouldn't be an organelle that regulates what comes in and out of the cell
d)
They wouldn't be an organelle that makes necesary proteins
5.
According to cell theory, where did this cell come from?
a)
another living cell
b)
energy from sun
c)
a multicellular organism
d)
the nonliving environment
6.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
7.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
8.
What is an isotonic solution?
a)
When solutions are in equilibrium
b)
When the solution has more solute
c)
When the solution has less solute
d)
Has a greater pressure
9.
The diffusion of WATER across a semi-permeable membrane is
a)
osmosis
b)
diffusion
c)
endocytosis
d)
exocytosis
10.
The movement of molecules from higher concentration to lower concentration is
a)
diffusion
b)
cell division
active transport
active transport
c)
active transport
d)
tonicity
11.
What organelles is NOT found in a PROkaryote
a)
nucleus
b)
cell membrane
c)
Chromosomes (DNA)
DNA
DNA
d)
ribosomes
12.
What organelle PRODUCES proteins?
a)
ribosomes
b)
centrioles
c)
lysosomes
d)
nucleus
13.
what is the control center in a cell
a)
mitochondria
b)
DNA
c)
nucleus
d)
movement
14.
also known as the "powerhouse"
a)
cell membrane
b)
storage
c)
cytoskeleton
d)
mitochondria
15.
Which step of the cell cycle do cells spend a majority of their time?
a)
Prophase
b)
Interphase
c)
Mitosis
d)
Cytokinesis
16.
Why do cells go through cell division
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
17.
This organelle helps plants keep their rigid structure.
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
18.
This is a double layer of phospholipids that creates a barrier between the cells internal and external environments; it controls what comes in or out of the cell (selective permeable)
a)
Nucleus
b)
Cilia
c)
Cell membrane
d)
Flagella
19.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
20.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
21.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
22.
If a somatic (body) cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
23.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
24.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
25.
If all cells start with the same DNA, how can there be different types of cells with specific jobs?
a)
Cells delete the extra info after they decide what their job will be
b)
Cell differentiation "turns on" certain sections of DNA
c)
All cells are actually the same everywhere
d)
DNA mutates to create the unique cells with specific jobs
26.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
27.
Which of the following is NOT related to MEIOSIS?
a)
Ends in 2 identical daughter cells
b)
Produces gametes
c)
Creates haploid daughter cells
d)
Is a longer process
28.
Part of the plasma membrane responsible for cell recognition...
a)
C
b)
E
c)
B
d)
D
29.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
30.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
31.
Your gums are swollen. How will rinsing with warm salt water help the swelling?
a)
swollen gums will absorb the salt
b)
salt lowers the temp
c)
salt goes against the concentration gradient
d)
water in the gums has diffused out of the cells
32.
Maintain homeostasis
a)
Prokaryote
b)
Eukaryote
c)
Both
33.
What is this?
a)
mitochondria
b)
lysosomes
c)
chloroplast
d)
endoplasmic reticulum
34.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
35.
Microvilli are tiny projections that extend off the cell to increase the Surface Area. What purpose might that serve?
a)
Increased absorption
b)
Better communication among cells
c)
Maintain homeostasis
d)
Decreased oxygen use
36.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
37.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
38.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
39.
Stem cells are
a)
cells that grow uncontrollably.
b)
undifferentiated and can develop into many types of cells.
c)
cells that never go through cell division.
d)
only found in embryos.
40.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
100 %
