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WorksheetsChapter 13 Review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is genetic material made of?
a)
cells
b)
eggs
c)
sperm
d)
DNA
2.
Why are the leaves on this plant different shapes?
a)
mutation
b)
selective breeding
c)
environmental influence
d)
social factors
3.
The genes of an organism are similar to a(n) __________.
a)
code of instructions
b)
communication network
c)
unknown puzzle
d)
set of tools
4.
Changes in genes are called __________.
a)
traits
b)
phenotypes
c)
heredity
d)
mutations
5.
The process of the cell cycle where the nucleus divides to create two identical nuclei is called __________.
a)
centromere
b)
cytokinesis
c)
interphase
d)
mitosis
6.
Which is the part of the cell that contains hereditary material?
a)
chromosome
b)
interphase
c)
mitosis
d)
embryo
7.
DNA code is __________ before being passed to new cells.
a)
regenerated
b)
copied
c)
destroyed
d)
doubled
8.
The final step in the mitosis process for animal cells is _________.
a)
anaphase
b)
metaphase
c)
prophase
d)
telophase
9.
The cell that is formed when fertilization occurs is called a __________.
a)
zygote
b)
diploid
c)
haploid
d)
homologous chromosome
10.
Which conclusion can be drawn from this picture?
a)
An egg cell and a sperm cell unite to form a zygote.
b)
Kittens will always look like the father.
c)
Sperm cells come from the mother.
d)
Mitosis produces egg and sperm cells.
11.
A sea star has one of its arms break off. That arm grows into its own separate organism through __________.
a)
sexual reproduction
b)
regeneration
c)
cloning
d)
budding
12.
If fission takes place every 20 minutes in some bacteria, then starting with one bacterial cell, how many bacterial cells would be produced in three cell divisions or one hour?
a)
2
b)
4
c)
6
d)
8
13.
Hydra reproduce through __________, where the offspring grows from the body of the parent organism.
a)
budding
b)
cloning
c)
regeneration
d)
sexual reproduction
14.
Which is part of asexual reproduction?
a)
egg
b)
bud
c)
sperm
d)
zygote
15.
What is the mathematical relationship between the number of chromosomes and the number of homologous pairs?
a)
There is no mathematical relationship between the number of chromosomes and the number of homologous pairs.
b)
The number of chromosomes is related directly to the age of the organism, so the number of homologous pairs changes.
c)
There is only one chromosome in each homologous pair.
d)
There are one half as many homologous pairs as there are chromosomes.
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