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Cell Reproduction Review

Total questions: 57

Worksheet time: 43mins

Name
Class
Date
1.

A chromosome is composed of two identical sister

a)

centromeres

b)

chromatids

c)

autosomes

d)

somatic cells

2.

The disc shaped protein core that DNA wraps around is called

a)

histone

b)

nucleosome

c)

chromatin

d)

gene

3.

Cells that contain two sets of chromosomes (example: 2n = 46) are called

a)

gametes

b)

haploid

c)

diploid

d)

chromatin

4.

Chromosomes contain genetic information in the form of

a)

DNA

b)

histone

c)

centromere

d)

karyotypes

5.

A picture or image of a person's chromosomes taken through a microscope

a)

pedigree

b)

centromere

c)

karyotype

d)

none are correct

6.

Sister chromatids are held together by a

a)

histone core

b)

chromatin

c)

nucleosome

d)

centromere

7.

Gametes that contain one set of chromosomes (example: n = 23) are called

a)

diploid

b)

autosomes

c)

haploid

d)

somatic cells

8.

Chromosomes that do not determine the sex of an individual

a)

autosomes

b)

sex chromosomes

c)

gametes

d)

chromatids

9.

A segment of DNA

a)

nucleosome

b)

gene

c)

histone

d)

chromatin

10.

Body cells are also known as

a)

prokaryotic cells

b)

somatic cells

c)

gametes

d)

sperm or egg

11.

Determine the sex of an individual and are represented by XX or XY

a)

sex chromosomes

b)

autosomes

c)

somatic cells

d)

diploid cells

12.

Made of chromatin and become visible during cell division

a)

chromosomes

b)

histones

c)

mitochondria

d)

nucleosomes

13.

Haploid in the number of chromosomes they contain (example: sperm or egg)

a)

somatic cells

b)

muscle cells

c)

gametes

d)

neurons

14.

The substance that chromosomes are composed of is called

a)

nucleosomes

b)

DNA

c)

chromatin

d)

histones

15.
Which of the following is not a part of interphase?
a)
G2
b)
M
c)
G1
d)
S
16.
The cell carries out normal functions during..
a)
interphase
b)
cytokinesis
c)
mitosis
17.
What does NOT happen during interphase?
a)
growth
b)
DNA replication 
c)
obtaining nutrients
d)
cell divison
18.
Cells spend the majority of their lifes in
a)
interphase
b)
M
c)
S
d)
G2
19.
Cells spend the majority of their lifes in
a)
interphase
b)
M
c)
S
d)
G2
20.
the uncontrolled division of cells that results in malignant growth 
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
21.
Which of the following statements is true of cytokinesis
a)
takes place in plant cells only
b)
completes the cell cycle
c)
organizes DNA
d)
occurs in prophase
22.
During interphase, a cell grows, dublicates organelles, and...
a)
copies DNA
b)
divides the nucleus
c)
divides the cytoplasm
d)
produces a new cell
23.
The part of the cell cycle that divides the cytoplasm of the cell
a)
Synthesis Phase
b)
G1 Phase
c)
G2 Phase
d)
Cytokinesis
24.
Stage in which the cells nuclear material divides and seperates
a)
G1
b)
Synthesis
c)
G2
d)
Mitosis
25.
Which of the following is NOT a reason we need mitosis.
a)
Growth
b)
Recovering from injuries
c)
Replacement of dead cells
d)
Sexual reproduction
26.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
27.
In which stage of the cell cycle is the cell preparing for division? 
a)
G1
b)
S
c)
G2
d)
M
28.
Where does DNA synthesis happen in eukaryotic cells?
a)
cytoplasm
b)
mitochondria
c)
nucleus
d)
Golgi apparatus
29.
The synthesis (S) phase is characterized by
a)
cell division
b)
the division of cytoplasm
c)
DNA replication
d)
replication of mitochondria and other organelles
30.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
 G1->S->G2->mitosis->cytokinesis
31.
Which of the following terms means cytoplasmic division?
a)
interphase
b)
mitosis
c)
cytokinesis
d)
cell cycle
32.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
33.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
34.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
35.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
36.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
37.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
38.
Chromosomes condense from long stands into rod like structures. 
a)
Prophase
b)
Interphase
39.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
40.
The structures that hold together sister chromatids
a)
tissues
b)
chromosomes
c)
spindle
d)
centromeres
41.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
42.
the two halves of the doubled chromosome structure 
a)
centromeres
b)
sister chromatids
c)
spindle
d)
tissues
43.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
44.
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.
45.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
46.
A human usually has ______ chromosomes in their body cells.
a)
6
b)
22
c)
4
d)
46
47.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)
Sex Cells or Gametes
48.
How many daughter cells are produced at the end of mitosis?
a)
1
b)
2
c)
3
d)
4
49.
How many chromosomes are in the new cells of mitosis?
a)
46
b)
23
50.
What is one of the advantages, of reproducing sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
51.

Stem cells are

a)

undifferentiated or unspecialized cells in the body.

b)

differentiated or specialized cells in the body.

c)

only found in the inner mass cells of blastocyst

d)

only found in a fetus

52.

Which cell type would divide the most rapidly?

a)

Skin

b)

Muscle

c)

Nerve

53.

Which cell type would divide the least rapidly?

a)

Skin

b)

Red Blood cells

c)

Nerve

54.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
55.

Why do cells such as neurons divide very rarely?

a)

They no longer have active nuclei

b)

They have entered G0

c)

they can no longer break down cyclins

d)

They no longer produce MPF

56.

The mitotic spindle (microtubules) plays a role in which process?

a)

cytokinesis

b)

condensation of chromatin into chromosomes

c)

dissolving the nuclear membrane

d)

separation of sister chromatids

57.
How does mitosis in plant cells differ from mitosis in animal cells?
a)
animal cells form a cell plate
b)
plant cells form a cell plate
c)
plant cells go through the process in reverse
d)
plant cells go through two rounds of mitosis while animal cells just do one

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