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WorksheetsCell Cycle and Cell Division
Total questions: 51
Worksheet time: 42mins
Name
Class
Date
1.
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
2.
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
3.
products of meiosis are genetically
a)
different
b)
identical
4.
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
5.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
6.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
7.
If a body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
8.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
9.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
10.
How are your chromosomes inherited?
a)
most of your chromosomes from your mother
b)
most of your chromosomes from your father
c)
a random number of chromosomes from each parent
d)
half your chromosomes from your mother and half from your father.
11.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
12.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
13.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
14.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
15.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
16.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
17.
Which of the following is NOT a characteristic of meiosis?
a)
Involves two divisions
b)
Reduces the number of chromosomes
c)
Produces haploid cells
d)
Results in the production of genetically identical cells
18.
Why is crossing-over important?
a)
It creates new genes
b)
It completes prophase of meiosis I
c)
It creates more genetically unique gametes
d)
All of the above
19.
Where does meiosis occur?
a)
Testes and ovaries
b)
Only the ovaries
20.
If a parent cell has 88 chromosomes, following MITOSIS, the daughter cells will have ___ chromosomes.
a)
42
b)
88
c)
Impossible to know
21.
The image illustrates which process?
a)
Mitosis
b)
Meiosis
c)
photosynthesis
d)
respiration
22.
How many times is DNA copied for meiosis.
a)
once during interphase
b)
twice
c)
four times
d)
zero
23.
How many gametes are produced at the end of meiosis II?
a)
2
b)
3
c)
4
d)
8
24.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
25.
The division of the nucleus is known as:
a)
Synthesis
b)
Mitosis
c)
G1
d)
G2
26.
Humans have ________ pairs of chromosomes.
a)
21
b)
23
c)
46
d)
None of the above
27.
Eukaryotic cells store their genetic information(DNA) in __________.
a)
Chromosomes
b)
Centromeres
c)
karyotypes
d)
Proteins
28.
The individual strands on duplicated chromosomes are called_____________
a)
Centromeres
b)
daughters
c)
Chromatids
d)
Karyotypes
29.
The ___________ holds the replicated sister chromatids together.
a)
centriole
b)
chromosomes
c)
centromere
d)
cycles
30.
The cell spends most of it's life in ________________.
a)
mitosis
b)
cytokinesis
c)
Interphase
d)
None of the above
31.
In the G1 stage of the cell cycle, the cell
a)
Grows
b)
Matures
c)
Carries on normal activities
d)
All of the above
32.
In the S stage of interphase_______________
a)
the cell grows
b)
the nucleus divides
c)
the cell membrane divides
d)
the DNA is replicated
33.
In the G2 stage of cell division, ______________ are made.
a)
organelles
b)
structures for cell division
c)
proteins
d)
all of the above
34.
When a plant cell goes through cell division, _____________.
a)
the 2 new nuclei are separated by the cell membrane pinching off.
b)
4 new cells are formed
c)
a cell plate forms, dividing the 2 new nuclei
d)
None of the above
35.
When an animal cell goes through cytokinesis,__________
a)
a cell plate forms dividing the 2 new nuclei.
b)
the cell membrane pinches off the 2 new cells.
c)
4 new cells are formed.
d)
None of the above
36.
A human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells after mitosis.
a)
12
b)
23
c)
46
d)
92
37.
Cells of organism must replicate for ?
a)
growth
b)
repair of damaged cells
c)
replacement of dying cells.
d)
All of the above
38.
Uncontrollable cell growth is known as _____
a)
obesity
b)
cancer
c)
diabetes
d)
hepatitis
39.
A pair of chromosomes that consists of XX is a __________________.
a)
Male
b)
Female
40.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
41.
What is a series of events a cell goes through as they grow and divide?
a)
Cell Division
b)
Cell Cycle
c)
Cytokinesis
d)
Mitosis
42.
During what phase of the cell cycle does the cell grow?
a)
G1 phase
b)
S phase
c)
M phase
d)
Cytokinesis
43.
During what phase of the cell cycle does the cell prepare for mitosis?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
44.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
45.
Put the following in order: G2, G1, S, mitosis, cytokinesis.
a)
G1, G2, S, Mitosis, cytokinesis
b)
G1, S, G2, Mitosis, cytokinesis
c)
G1, G2, S, cytokinesis, mitosis
d)
G1, S, G2, cytokinesis, mitosis
46.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis.
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
47.
what phase in the cell cycle is it when the sister chromatids are being pulled to opposite poles?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
48.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
49.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
50.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
51.
The nuclear membrane breaks down occurs during which stage?
a)
Interphase
b)
Metaphase
c)
Prophase
d)
Telophase
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