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Cell Division

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Contains the genetic material and serves as the control center of the cell
a)
nuclear membrane
b)
spindle fibers
c)
nucleus
d)
telophase
2.
Chromosomes are made up of two identical sister _____________.
a)
chloroplasts
b)
nuclei
c)
chromatids 
d)
gens
3.
Which of the following describes the purpose of the mitosis cell cycle?
a)
To make more of the same cells.
b)
For growth and repair.
c)
To prevent the cell from becoming too large.
d)
All of the above.
4.
Which cell structure produces the spindle fibers?
a)
Centromeres
b)
Centrioles
c)
Chromatids
d)
Ribosomes
5.
Which of the following best describes meiosis?
a)
It is carried out in all tissues that require cell replacement. 
b)
It occurs only in cells in the reproductive structures of organisms. 
c)
It happens in all tissues except the brain and spinal cord
d)
It is the first stage of mitosis 
6.
Which of the following best describes cancer?
a)
absence of cyclins in the DNA
b)
Multiple gene mutations on a chromosome of DNA
c)
Uncontrolled cell growth caused by mutations in genes that control the cell cycle.
d)
Presence of genetic defects caused by hereditary disorders. 
7.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
8.
How many daughter cells are produced in mitosis?
a)
4 new cells
b)
2 new cells
c)
One new cell
d)
none of these
9.
How many times does the cell divide in meiosis?
a)
twice (PMAT)
b)
none of these
c)
3 times
d)
once
10.

A structure in the nucleus that contains genetic material is called ....

a)

centrioles

b)

centromere

c)

nuclear envelope

d)

chromosome

11.

What is chromatin ?

a)

when two sister chromatids are identical and attach at the center

b)

the strands created when chromosomes are copied

c)

chromosomes that appear in a thread-like form

d)

a paired homologous chromosomes that crosses over between two non-sister chromatid

12.

Interphase is the first step in Mitosis

a)

False

b)

True

c)

only in plant cells

d)

only in animal cells

13.

The phase that occurs before mitosis is known as ...

a)

prophase

b)

interphase

c)

metaphase

d)

cytokinesis

14.

This graphic represents

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

15.

In which phase of the cell cycle does the replication of DNA occurs?

a)

G1 phase

b)

S phase

c)

G2 phase

d)

M phase

16.

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

a)

I and II only

b)

III and IV only

c)

I, III and IV only

d)

I, II, III and IV

17.
The point on the chromosome where the two chromatids are held together is the
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
18.
A jelly-like substance found inside a cell surrounding its organelles is
a)
cytokenisis
b)
cytoplasm
c)
mitosis
d)
epithelial
19.

The first stage of the cell cycle during which the cell matures, grows and prepares to divide and copies its DNA; The stage the cell stays in the most

a)

interphase

b)

prophase

c)

metaphase

d)

anaphase

20.
Last phase of mitosis in which the spindle fibers break down, chromosomes unwind and the nuclear membrane begins to form around each of the two sets of chromatids
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase

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