1.
During which of the following time periods of the cell cycle would chromosomes not exist as replicated copies of each other in the same cell? a.
G
2 b.
Prophase c.
Metaphase d.
Telophase (post cytokinesis)
2.
Proteins are synthesized during which portion(s) of the cell cycle? a.
G1 b.
G2 c.
Telophase d.
A and B e.
A and C
3.
A body cell of an animal has 36 chromosomes. A sperm from this cat will have a.
9 chromosomes b.
18 chromosomes c.
36 chromosomes d.
72 chromosomes
4.
Druing mitosis, sister chromatids are pulled apart a.
By the centrioles b.
In the nuclus c.
By the fibers d.
Two times
5.
Befroe the first step of mitosis, chromosomes a.
Move to the endo the cell b.
Separate c.
Make two copies d.
Make exact copies of themselves
6.
You grow mainly because your cells a.
Get larger b.
Divide c.
Join together d.
Get shorter
7.
Your muscles get larger because your muscle cells a.
Get larger b.
Divide c.
Join together d.
Get shorter
8.
The sex cell of an animal has 20 chromosomes. A body cell of this same animal has how many chromosomes? a.
40 b.
30 c.
20 d.
10
9.
During mitosis, which of the following does NOT occur? a.
Cells divide; 2 cells form b.
Sister chromatids double c.
Centrioles move d.
Fibers attach to chromosomes
10.
Cancer cells undergo mitosis at a(n) _________ rate a.
Normal b.
Abnormally slow c.
Abnormally fast d.
Decreased
11.
Which cells are fomed by meiosis? a.
Sperm only b.
Egg only c.
Sperm and egg d.
Body cells
12.
A human female forms how many eggs from one original cell? a.
One b.
Two c.
Three d.
Four
13.
A cell has 4 chromosomes. After mitosis, each new cell will have _____ chromosomes. a.
2 b.
4 c.
8 d.
26
14.
Which of the statements is NOT true about fertilization? a.
Chromosomes separate b.
Sperm and egg cells meet c.
Chromosome number doubles d.
A new organism begins to form
15.
In cell division, chromosomes make copies of themselves a.
Before mitosis b.
As they separate c.
On the fibers d.
After division
16.
A typical animal cell show all of the following parts before mitosis EXCEPT a.
Centrioles b.
A nuclear membrane c.
Chloroplasts d.
Chromosomes
17.
What is a chromosome called after it has made a copy of itself? a.
Brother chromosomes b.
Sister chromosomes c.
Sister chromatids d.
Cousin chromosomes
18.
A human egg cell has 23 chromosomes. A fertilized human egg cell will have
a.
22 b.
23 c.
45 d.
46
19.
The body cell of a chicken has 78 chromosomes. A body cell of its parent had a.
39 b.
78 c.
117 d.
156
20.
Humans have 46 chromosomes. Human sperm cells contain a.
46 chromosomes b.
23 chromosomes c.
69 chromosomes d.
No chromosomes
21.
Cell reproduction in which two identical cells are made is called a.
The cell cycle b.
Mitosis c.
Meiosis d.
A and B e.
B and C
22.
Which of the following is NOT a factor that limits cell size? a.
Time required form diffusion b.
Elasticity of plasma membrane c.
Prescence of only one nucleus d.
Surface area-to-volume ratio
23.
When calculating the surface area-to-volume ratio, what does the surface area of a cell represent? a.
Cytoplasm b.
Mitochondria c.
Endoplasmic reticulum d.
Plasma membrane
24.
What is the surface area of a cub-shaped cell that is 3 mm on a side? a.
9 mm2 b.
27 mm2 c.
54 mm2 d.
56 mm2
25.
which is the first phase of mitosis? a.
Prophase b.
Metaphase c.
Telophase d.
Anaphase
26.
The _____ is the sequence of growth and division of a cell. a.
Centromere b.
Cell theory c.
Cell cycle d.
Surface area-to-volume ratio
27.
The growth period of a cell cycle is known as _____. a.
Interphase b.
Mitosis c.
Prophase d.
Anaphase
28.
Most of a cell’s life is spent carrying on the activities of _____. a.
The cell cycle b.
Interphase c.
Mitosis d.
Cell division
29.
Chromosomes are made of ____. a.
Cytoplasm b.
ATP c.
RNA d.
DNA
30.
The process of nuclear division, followed by division of the cytoplasm, is know as a.
The cell cycle b.
Mitosis c.
Metaphase d.
Interphase
31.
Which of the following does NOT occur during interphase a.
Excretion of wastes b.
Cell repair c.
Protein synthesis d.
Nuclear division
32.
Of the following, which is NOT a phase of mitosis? a.
Prophase b.
Metaphase c.
Interphase d.
Anaphase
33.
During metaphase, the chromosomes move to the equator of the _____. a.
Poles b.
Cell plate c.
Centrioles d.
Spindle
34.
The separation of the sister chromatids marks the beginning of _____ in mitosis. a.
Anaphase b.
Telophase c.
Prophase d.
Metaphase
35.
Structures inside the cells that contain DNA and become darkly colored when stained are
_____. a.
Centrioles b.
Centrosomes c.
Centromeres d.
Chromosomes
36.
During which phase of the cell cycle are the chromosomes being double? a.
Interphase b.
Prophase c.
Metaphase d.
Anaphase
37.
Plant cell division of the cytoplasm at the end of mitosis differs from animal cell division in that plants forma a a.
Cell plate b.
Deep furrow c.
Centriole pair d.
New plasma membrane
38.
Which of the following is NOT a known cause of cancer? a.
Environmental influences b.
Certain viruses c.
Cigarette smoke d.
Bacterial infections
39.
If a cell that has 8 chromosomes goes through mitosis, how many chromosomes will the daughter cell have? a.
4 b.
8 c.
16 d.
32
40.
what are the football-shaped, cagelike structures consisting of microtubles that play a vital role in separtation of sister chromatides during mitosis? a.
Centrioles b.
Centrosomes c.
Spindle fibers d.
Chromosomes
41.
A cell with 8 chromosomes has how many chromatids during prophase? a.
4 b.
8 c.
16 d.
32
42.
uncontrolled cell division is known as a.
Cancer b.
Mitosis c.
Cytokinesis d.
Growth
43.
Chromatids are held together by a(n) a.
Centriole b.
Centromere c.
Spindle d.
Aster
44.
Each chromosome strand is called a(n) a.
Centriold b.
Centromere
c.
Chromatid d.
Aster
45.
A cell has 12 chromosomes. How many chromosomes will each daughter cell have? a.
24 b.
6 c.
12 d.
4
46.
The phase of mitosis that is characterized by the lining up of chromosomes along the center of the cell is known as a.
Prophase b.
Metaphase c.
Anaphase d.
Telophase
47.
In mitosis, the DNA content of a cell increases a.
Throughout interphase b.
At the beginning of interphase c.
In the middle of interphase d.
At the end of interphase
48.
In mitosis, the DNA content decreases a.
Throughout mitosis b.
During prophase c.
During metaphase d.
From anaphase to telophase
49.
In most cases, a living thing grows because it produces a.
Useless cells b.
More cells c.
Larger cells d.
Smaller cells
50.
Which cells in the normal human body rarely, if ever, undergo cell division? a.
Skin b.
Bones c.
Digestive tract d.
Nerves
51.
In cell division, mitosis is a.
Followed quickly by cytokinesis b.
Preceded quickly by cytokinesis c.
Followed quickly by synthesis d.
Preceded quickly by synthesis
52.
Which term includes the others? a.
Synthesis b.
Interphase c.
Gap 1 interphase (G1) d.
Gap 2 interphase (G2)
53.
In the cell cycle of a eukaryote, DNA is replicated during a.
Mitosis b.
G1 phase
c.
G2 phase d.
Synthesis phase
54.
Which description of mitosis is not correct? a.
The nuclear membrane breaks down during prophase b.
The longest phase is telophase c.
Anaphase begins when the chromosomes split d.
Chromosomes line up across the cell’s center during metaphase
55.
A human cell has 46 total or 23 pairs of chromosomes. Following mitosis, the daughter cells would each have a total of _____ chromosomes. After meiosis I, the two daughter cells would have _____ chromosomes, and after meiosis II _____ chromosomes. a.
46, 46, 46 b.
46, 23, 23 c.
23, 23, 23 d.
46, 12, 12
56.
The process of meiosis produceds four cells with non-identical chromosomes. This diversification occurs during: a.
Telophase 1 b.
Prophase 1 c.
Metaphase 2 d.
Prophase 2
57.
Which of following in unique to mitosis and not part of meiosis? a.
Homologous chromosomes pair forming bivalents b.
Homologous chromosomes cross-over c.
Chromatids are separated during anaphase d.
Homologous chromosomes behave independently
58.
The Thompson seedless grape is triploid, with three copies of each chromosome. Which phase of the cell cycle would you expect triploid cells to be unable to complete? a.
Meiosis 1 b.
S c.
Meiosis 2 d.
G2
59.
Some organisms are capable of sexual or sexual reporduction. Under favorable conditions, reproduction proceeds asexually. When conditions become more stressful, reproduction switches to a sexual mode. Why? a.
Sexual reproduction is simple and m ore rapid allowing larger numbers of offsrping to be produced b.
Sexual reproduction requires two separate individuals, who can mutually provide nutrient support during stress c.
Asexual reproduction requires more energy d.
Sexual reproduction produces individuals with new combinations or recombined chromosomes, increasing diversity
60.
The stage of meiosis where cells become haploid is a.
Prophase I b.
Prophase II c.
Anaphase I d.
Anaphase II
61.
One of the earliest events that distinguishes meiosis from mitosis occurs in prophase I and involves a.
Condensation of chromosomes b.
Loss of the nuclear membrane c.
Movement of chromosomes towards the metaphase plate d.
Pairing of homologous chromosomes
62.
Coral in the ocean grows by budding, where the new organism grows out of the olds one by mitosis. This form of replication is an example of: a.
Meiosis to produce a zygote b.
Asexual reproduction c.
Sexual reproduction d.
Gamete formation
63.
__________ in meiosis most closely resembles events of mitosis except that the cells are
__________. a.
Interphase, diploid b.
Meiosis II, diploid c.
Interphase, haploid d.
Meiosis II, haploid
64.
The stage of the cell cycle where each chromosome is composed of two chromatids in preparation for mitosis is a.
G1 b.
S c.
M d.
G2
65.
The stage of the cell cycle where the cell is preparing to begin DNA replication is called a.
G1 b.
G2 c.
S d.
M
66.
Which of the following features of cell division are very different for animal and plant cells? a.
Prophase b.
Metaphase c.
Anaphase d.
Telophase
67.
Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called: a.
Sister chromosomes b.
Homologous chromosomes c.
Sex chromosomes d.
Sister chromatids
68.
The first stage of mitosis when chromosomes start becoming visible in the microscope is called: a.
Anaphase b.
Prophase c.
Telophase
d.
Metaphase
69.
Which of the following statements is NOT true of mitosis? a.
A single nucleus gives rise to two identical daughter nuclei b.
The daughter nuclei are gentically identical to the partne nucleus c.
The centromeres divide at the onset of anaphase d.
Homologous chromosomes join-up in prophase
70.
Cytokinesis in a plant cell is characterized by a.
The equal division of homologous chromosomes b.
A pinching off of the cell membrane to divide the cell c.
The formation of a cell plate in the cytoplasm d.
The movement of the chromosomes from the metaphase plate
1. 2. 3. 4.
71.
What process is occuring here? a.
Mitosis b.
Meiosis
72.
What is the proper number order of the pictures above? a.
2, 3, 4, 1, 5 b.
3, 4, 5, 1, 2 c.
4, 5, 1, 2, 3 d.
2, 4, 1, 5, 3
73.
What phase is cell number 3 in? a.
Interphase b.
Prophase c.
Metaphase d.
Telophase
5.