WorksheetsGenetics Unit 4 - Pulse Check #1
Total questions: 25
Worksheet time: 19mins
Name
Class
Date
1.
Among the following, the term that includes the others is ___.
a)
interphase
b)
nuclear division
c)
mitosis
d)
cell cycle
2.
The longest phase of the cell cycle
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
3.
The point on the chromosome where the two chromatids are held together is the
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
4.
The structure of coiled DNA and proteins that forms in the cells nucleus prior to mitosis is
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
5.
A jelly-like substance found inside a cell surrounding its organelles is
a)
cytokenisis
b)
cytoplasm
c)
mitosis
d)
epithelial
6.
The first stage of the cell cycle during which the cell matures and prepares to divide and copies its DNA; The stage the cell stays in the most
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
7.
Contains the genetic material and serves as the control center of the cell
a)
nuclear membrane
b)
spindle fibers
c)
nucleus
d)
telophase
8.
Chromosomes are made up of two identical sister _____________.
a)
chloroplasts
b)
nuclei
c)
chromatids
d)
gens
9.
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.
10.
How does cytokinesis differ in plant and animal cells?
a)
Cytokinesis only takes place in animal cells.
b)
Cytokinesis only takes place in plant cells.
c)
Plant cells form a cell plate, animal cells form a cleavage furrow.
d)
Animal cells form a cell plate, plant cells form a cleavage furrow.
11.
The diagram shows two strawberry plants. Plant 2 is produced asexually from plant 1. If the leaf cells of plant 1 have 47 chromosomes, how many chromosomes will be found in the leaf cells of plant 2?
a)
14
b)
28
c)
47
d)
112
12.
How are sexual reproduction and asexual reproduction different from each other?
a)
Sexual reproduction requires two parents and asexual reproduction requires only one parent.
b)
Asexual reproduction requires two parents and sexual reproduction requires only one parent.
c)
Mutation rates are lower in sexual reproduction than in asexual reproduction
d)
Asexual reproduction occurs only in multicellular organisms
13.
Which type of reproduction leads to increased genetic variation on a population?
a)
Parthenogenesis
b)
Asexual reproduction
c)
Sexual reproduction
d)
Vegetative reproduction
14.
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.
15.
The cell cycle consists of the G1, S, G2, and the _____ phase.
a)
G3
b)
M
c)
G4
d)
A
16.
During the ___ phase, DNA is replicated.
a)
G1
b)
S
c)
G2
d)
M
17.
G1, S, and G2 phases are combined into one long phase called _____________.
a)
interphase
b)
mitosis
c)
cytokinesis
d)
cell cycle
18.
Uncontrollable cell growth is known as _____
a)
obesity
b)
cancer
c)
diabetes
d)
hepatitis
19.
Which is NOT a phase of the cell cycle?
a)
Interphase
b)
Cytokinesis
c)
Mitosis
d)
Duplication
20.
A process where one cell forms two identical daughter calls is called...
a)
cell cycle
b)
interphase
c)
meiosis
d)
cytokinesis
21.
During which part of the cell cycle does the cell divide?
a)
Interphase
b)
Mitosis
c)
S phase
d)
M phase
22.
During which part of the cell cycle is DNA copied?
a)
Mitosis
b)
Cytokinesis
c)
S phase
23.
During which phase of the cell cycle does the cell spend the most time?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
24.
Which type of cell divides most frequently?
a)
Liver cell
b)
Skin cell
c)
Blood cell
d)
Nerve cell
25.
Which of these cells divides the least?
a)
Liver cell
b)
Skin cell
c)
Blood cell
100 %
