WorksheetsCell division
Total questions: 138
Worksheet time: 7hrs 31mins
How many stages are in mitosis?
1
2
3
4
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
prophase, metaphase, telophase, anaphase
prophase, anaphase, metaphase, telophase
prophase, metaphase, anaphase, telophase
prophase, telophase, metaphase, anaphase
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
In order for genetic information to be transferred into daughter cells.
In order for the cell to be able to increase in size.
In order for the DNA to be contained in the nucleus.
In order for the cell to re-order the DNA sequencing in the new cells.
Which phase of Mitosis is shown here?
Anaphase
Cytokinesis
Telophase
Metaphase
Which phase of Mitosis is shown here?
Cytokinesis
Interphase
Anaphase
Metaphase
Which phase of Mitosis is shown here?
Cytokinesis
Anaphase
Telophase
Prophase
Before cells can divide, what must be copied?
mitochondria
cytoplasm
DNA
Cell Wall
Humans have ________ pairs of chromosomes.
21
23
46
None of the above
The ___________ holds the replicated sister chromatids together.
centriole
chromosomes
centromere
cycles
The structures labeled B are
centrioles
chromatids
centromeres
chromopheres
The structure labeled A is a(n)
chromatid
centriole
centromere
chromophere
What is a series of events a cell goes through as they grow and divide?
Cell Division
Cell Cycle
Cytokinesis
Mitosis
Adenine bonds with ______________.
Guanine
Thymine
Cytosine
Adenine
Guanine bonds with ______________.
Adenine
Guanine
Cytosine
Thymine
Which organelle is DNA usually found in?
cell membrane
vacuole
chloroplast
nucleus
If a somatic (body) cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
3
6
12
24
The purpose of meiosis is to form ________ cells.
body
sex
somatic
brain
How many daughter cells are produced at the end of meiosis?
1
2
3
4
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
23, 46
46, 23
2, 4
50, 100
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
20
40
80
160
Before cell division takes place, DNA has to make an exact copy of itself. This is called
duplication
fertilization
hybridization
replication
What stage is shown in the picture?
prophase in mitosis
prophase I in meiosis
prophase II in meiosis
interphase
What phase of interphase does DNA replicate?
G1
S
G2
G0
Which of the following refer to the product of meiosis (you may choose more than one)?
haploid
diploid
somatic cells
gametes
Which of the following refer to the product of mitosis (you may choose more than one)?
haploid
diploid
gametes
somatic cell
How many chromosomes are found in a human adult egg cell?
23
46
23 pairs
46 pairs
Meiosis results in
two unique daughter cells
four identical daughter cells
two identical daughter cells
four unique daughter cells
What type of cells have not begun to differentiate into specialized cells?
gametes
stem cells
somatic cells
neurons
When meiosis is complete, how does DNA in the daughter cells compare to the DNA from the original parent cell?
half as much and genetically the same
twice as much and genetically the same
half as much and genetically different
twice as much and genetically different
Crossing over occurs in
prophase of mitosis
prophase I of meiosis
interphase
during all stages of meiosis I
The production of four haploid gametes from one mother cell is completed during
anaphase meiosis I
telophase meiosis I
prophase meiosis II
telophase meiosis II
During the process of meiosis, chromosomes replicate
once, during interphase I
once, during interphase II
twice, during prophase I and II
twice, during interphase I and II
All BUT one event will occur during Meiosis II? That is
homologous chromosomes pair up
sister chromatids move to opposite ends of the cell
nuclear membrane form around newly separated chromosomes
spindle fibers align chromosomes along the equator of the cell
Mitosis is responsible for growth, repair, and maintenance in an organism because
it occurs at a faster rate than meiosis
the chromosome number is reduced by half
exact duplicates of each mother cell are produced
it is the only process that involves replication of genetic material
Mitosis or Meiosis: Single parent (diploid) cell produces four haploid (n) daughter cells
mitosis
meiosis
Which statement correctly lists the stages of mitosis in order?
P, R, Q
Q, R, P
R, P, Q
P, Q, R
Before cell reproduction takes place, what is the correct sequence of events that must occur?
chromosome replication, chromosome checking and repair, growth
growth of cytoplasm, duplication of cellular organelles, chromosome replication
replication of chromosomes, growth, duplication of cellular contents and organelles
growth and duplication of cell organelles, chromosome replication, repair of chromosomal errors
After fertilization, the zygote contains 28 chromosomes. What is the haploid number?
28
14
56
46
When do homologues line up in the middle of a cell?
metaphase
metaphase I
metaphase II
How many cell divisions are in Meiosis?
one
two
four
eight
In which phase of the cell cycle does the replication of DNA occurs?
G1 phase
S phase
G2 phase
M phase
What process involves the division of cell cytoplasm?
Meiosis I
Meiosis II
Cytokinesis
Karyokinesis
Which of the following animal cells has already undergone meiotic cell division?
Sperm cell
Muscle cell
Nerve cell
Red blood cell
The diagram shows the number of cells produced after a cell undergoes mitosis twice. What will be the number of cells produced if mitosis occurs two more time.
8
16
32
64
What are the products of the meiotic cell division?
2 haploid daughter cells
2 diploid daughter cells
4 haploid daughter cells
4 diploid daughter cells
The diagram shows the pattern of chromosomes during the stage of Prophase I of Meiosis. What is the number of chromosomes by the end of Meiosis II?
3
4
8
16
The plant cells undergo the same stages of mitosis as in animal cells but different in cytokinesis. Which of the following is true about cytokinesis which occurs in plant cells?
The vesicles is form by actin filaments in cytoplasm
The vesicles assemble at equator between the two nuclei to form a cell plate
The cell plate grows until fuse with the plasma membrane to form cleavage furrow
The cleavage furrow helps divides the cell into two daughter cells.
Which of the following factors cause cancer cells to spread into other tissues?
I. Certain chemical compound like tar in tobacco smoke
II. Carcinogenic compounds such as formaldehyde
III. Radiation from X-rays, ultraviolet rays and gamma rays.
IV. Uncontrolled mitosis in the cell cycle
I and II only
III and IV only
I, III and IV only
I, II, III and IV
The diploid number of chromosomes of a dog is 28. During Meiosis I, one of the homologous chromosome pairs does not separate. How many chromosomes are there in one of the gametes?
13
14
27
28
If cells in the process of dividing are subjected to colchicine, a chemical that inhibits the formation of spindle fibres, at which stage will mitosis end?
Prophase
Metaphase
Anaphase
Telophase
Identify the phase of mitosis shown
prophase
metaphase
anaphase
telophase
Which of the following describes the purpose of the mitotic cell division?
To make more of the same cells.
For growth and repair.
To prevent the cell from becoming too large.
All of the above.
If a somatic (body) cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
3
6
12
24
Meiotic cell division makes sperm and egg cells. In humans, sperms and ova each have _____ chromosomes. Therefore a fertilized egg would create a cell with _____ chromosomes.
23, 46
46, 23
2, 4
50, 100
How long does a cell spend dividing?
1 hour
24 hours
1 week
Depends on the type of cell
If a cell has 24 chromosomes, how many sister chromatids does it have?
24
12
48
92
Which part of the chromosome holds the sister chromatids together?
centromere
centriole
chromatin
DNA
How many chromosomes does each human body cell have?
23
46
75
100
What are the two parts of mitotic division?
interphase and mitosis
interphase and cytokinesis
mitosis and cytokinesis
What are the two phases of the cell cycle?
Interphase and Mitotic Division
Mitosis and Cytokinesis
Interphase and Cytokinesis
Metaphase and Interphase
What happens to the sister chromatids during mitosis?
They stay together.
They stay in the nucleus.
They separate from each other giving each daughter cell the same genetic information.
What is being replicated (copied) during interphase?
DNA
mitochondria
glucose
lysosomes
Why must all DNA be copied during interphase?
So each new daughter cell can transport materials for homeostasis.
To release ATP.
So each new cell with have identical information and the cell can function properly.
Why is cell division important for the body?
To get the right amount of water.
To get the right amount on oxygen.
To replace old cells or repair injured tissue.
If a cell has 22 duplicated chromosomes, how many chromatids does it have?
22
44
11
88
Which is NOT a process of the cell cycle?
growth
division
development
death
Which best describes how a plant cell divides?
The membrane pinches shut in the middle of the cell and the cells are split apart
The 2 cells twist apart
A new cell wall forms in the middle of the cell and 2 new cells are formed
Plant cells do not divide
Which best describes how a plant cell divides?
The membrane pinches shut in the middle of the cell and the cells are split apart
The 2 cells twist apart
A new cell wall forms in the middle of the cell and 2 new cells are formed
Plant cells do not divide
Select the three parts of the cell cycle.
Interphase
Anaphase
Mitosis
Cytokinesis
Telophase
Select all of the events of interphase.
Cell function
Nuclear division
Growth
Cytokinesis
DNA replication
Identify the correct order of the phases of mitosis.
interphase, metaphase, prophase, anaphase
metaphase, prophase, anaphase, telophase
prophase, metaphase, anaphase, telophase
telophase, interphase, metaphase, anaphase
As mitosis begins, a condensed chromosome consists of two
centromere
centrioles
chromatin
chromosome
An organism has a haploid(monoploid) chromosome number n=12. How many tetrads will form during meiosis?
3
4
6
12
The dploid number of chromosome in humans in 46. The haploid number is
138
92
46
23
The diploid number of chromosome in humans is 46.The haploid number is
138
92
46
23
The point at which crossing over has taken place is called
centriole
centromere
cell plate
chiasma
Which of the following does NOT occur during this stage?
Synapsis
Crossing over
DNA replication
What are the name of protein that involve in cytokinesis in animal cell
Microtubule
Microfilament
Vesicle
