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WorksheetsKnowAtom Unit 5 Cell Division Review
Total questions: 43
Worksheet time: 42mins
Name
Class
Date
1.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
2.
Where is the DNA found within a eukaryotic cell?
a)
nucleus
b)
nucleolus
c)
cytoskeleton
d)
golgi
3.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
4.
DNA contains the following bases:
a)
adenine, thymine, glucose, and cytosine
b)
adenine, uracil, guanine, and cytosine
c)
adenine, thymine, guanine and cytosine
d)
adenine, uracil, glucose, and cytosine
5.
Why is it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for the DNA to be contained in the nucleus.
b)
In order for the cell to be able to increase in size.
c)
So each new cell receives the appropriate amount of genetic information.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
6.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
7.
Which process is shown?
a)
mitosis
b)
protein synthesis
c)
fertilization
d)
meiosis
8.
Cell division that produces sex cells.
a)
protein synthesis
b)
mitosis
c)
meiosis
d)
transcription
9.
The sex cell that is produced during meiosis that has half the number of chromosomes as other body cells.
a)
zygote
b)
DNA
c)
RNA
d)
gamete
10.
The joining of two gametes that produce a zygote.
a)
meiosis
b)
fertilization
c)
protein synthesis
d)
mitosis
11.
Mitosis has ___ division(s). Meiosis has ___ division(s).
a)
1 ; 2
b)
2 ; 1
c)
1 ; 1
d)
2 ; 2
12.
At the end of mitosis you have _____ cells
a)
identical
b)
different
c)
identical twins
d)
variety
13.
Which process is shown?
a)
mitosis
b)
protein synthesis
c)
fertilization
d)
meiosis
14.
The 23rd pair of chromosomes are known as the ____ chromosomes.
a)
body
b)
duplicate
c)
sex
d)
evolutionary
15.
What does each gene have instructions for making?
a)
a cell
b)
a ribosome
c)
a protein
d)
RNA
16.
When a change in the base sequence happens of a gene or DNA it is known as a
a)
mutation
b)
ribosome
c)
chromosome
d)
mRNA
17.
A mutation in an organism can be
a)
helpful
b)
harmful
c)
has no effect
d)
all of the above
18.
Where does an off spring get its traits in asexual reproduction?
a)
From both parents
b)
From only one parent
c)
From neither parent
d)
There are no traits handed down
19.
Sexual reproduction requires _____ parents and asexual reproduction requires ___ parents
a)
1,1
b)
2,2
c)
2,1
d)
1,2
20.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
21.
What is one disadvantage of sexual reproduction?
a)
Only one parent needed
b)
Off spring are exact copies of parents
c)
Happens very quickly
d)
Needs two parents
22.
All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism -
a)
makes its own food
b)
is unicellular
c)
live in a marine habitat
d)
reproduces asexually
23.
When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to -
a)
contain fewer mutations
b)
be lesser in quantity
c)
be simpler overall
d)
show more variation
24.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
25.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
26.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
27.
When a starfish grows a new body off a broken arm, what kind of reproduction is this?
a)
Sexual
b)
Differentiation
c)
Asexual
d)
Specialization
28.
Where does an off spring get its traits in asexual reproduction?
a)
From both parents
b)
From only one parent
c)
From neither parent
d)
There are no traits handed down
29.
The muscle cells of an elephant contain 62 chromosomes. How many chromosomes are in an elephant egg cell?
a)
31
b)
62
c)
122
d)
244
30.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
31.
Are all mutations harmful?
a)
Yes, they are caused by toxic chemicals and radiation
b)
No, all mutations are beneficial
c)
Yes, mutations cause fatal diseases
d)
No, some can be useful in a changing environment
32.
An inherited trait can be changed.
a)
True
b)
False
33.
Which statement describes the parent of the plant shown above?
a)
It is tall with long, thin leaves.
b)
It has purple flowers all year.
c)
It produces berries.
d)
It has fuzzy, triangular shaped leaves with rough edges.
34.
Instructions for traits that are made of DNA are called...
a)
genes
b)
traits
c)
instincts
d)
learned behaviors
35.
Which best explains why a child may look like his father, but is not able to play basketball as well as him?
a)
Physical characteristics are inherited, but the ability to shoot a basketball is not.
b)
The ability to shoot a basketball is inherited, but physical characteristics are not.
c)
The child chooses to look like his father, but he does not choose to play basketball.
d)
He hates playing basketball so he doesn't care if his dad can play.
36.
The first stage of the cell cycle during which the cell matures and prepares to divide and copies its DNA; The stage the cell stays in the most
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
37.
Mutations can be
a)
Helpful, harmful, or neutral
b)
Always harmful
c)
Never helpful
d)
Caught
38.
During sexual reproduction organisms inherit exactly ________ of their chromosomes from each parent.
a)
One third
b)
One Half
c)
None
d)
One Quarter
39.
All body cells in a specific organism will contain
a)
Exactly the same DNA
b)
None of the same DNA
c)
Some of the same DNA
d)
Random assortment of DNA
40.
During cell division the nuclear envolope breaks down because
a)
noone knows why
b)
Spindle fibers make it break down
c)
Chromosomes need to move outside of the nucleus to form two cells
d)
The nuclear envelope doesn't break down
41.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
42.
Crossing over helps promote
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
43.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
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