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WorksheetsBio Ag Animal Science
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
When do chicken eggs become fertilized?
a)
Eggs are always fertile
b)
before the shell is formed
c)
after the shell is formed
d)
after the chick is hatched
2.
The process that changes the fertilized zygote into a layer of cells by mitosis is called
a)
gastrulation
b)
blastula
c)
cleavage
d)
wings
3.
The part of the egg that feeds the embryo is the
a)
amnion
b)
shell
c)
chorion
d)
yolk
4.
The egg white is known as the
a)
albumen
b)
embryo
c)
chorion
d)
yolk
5.
A three-day old chicken embryo typically has all except
a)
a heart
b)
eyes
c)
a vertebral column
d)
wings
6.
Oxygen and carbon dioxide are
a)
provided by the yolk
b)
not exchanged by the chick embryo
c)
diffused through the egg shell
d)
all of these
7.
Chicken eggs usually hatch at
a)
6 days
b)
12 days
c)
21 days
d)
45 days
8.
When chickens hatch, they
a)
the hen helps them get out of the egg
b)
the chick pecks a circle around the air space
c)
the chick pecks a hole in the middle
d)
there is no pattern to hatching
9.
After chickens hatch, they
a)
must be taught how how to eat
b)
must be fed by the hen
c)
can eat and drink on their own
d)
do not need to eat for weeks
10.
Young chickens require
a)
warmth
b)
fresh water
c)
protection from weather
d)
all of these
11.
The controlled management and production of animals including improving their qualities desired by humans is known as
a)
cloning
b)
selective breeding
c)
genetics
d)
animal husbandry
12.
The study of inherited characteristics is known as
a)
selective breeding
b)
cloning
c)
genetics
d)
animal husbandry
13.
Humans have been able to change the characteristics of an organism over many generations by mating individuals with desired characteristics. This process is known as
a)
artificial insemination
b)
embryo transfer
c)
in vitro fertilization
d)
selective breeding
14.
which system includes the body covering?
a)
skeletal
b)
muscular
c)
integumentary
d)
respiratory
15.
Which system supports the body, stores minerals, and forms blood cells?
a)
skeletal
b)
muscular
c)
integumentary
d)
respiratory
16.
Which system is important for breaking down food, absorbing and conserving water, and storing energy reserves?
a)
skeletal
b)
muscular
c)
digestive
d)
respiratory
17.
Manure production on a farm depends upon
a)
animal diet
b)
animal metabolism
c)
number of animals
d)
all of these
18.
In order to convert food into meat as efficiently as possible, a farmer should consider an animal's
a)
temperment
b)
feed quality
c)
housing
d)
all of these
19.
Which system is responsible for absorbing oxygen and releasing carbon dioxide while providing energy to cells?
a)
urinary
b)
respiratory
c)
muscular
d)
reproductive
20.
The time an animal is pregnant is known as
a)
puberty
b)
gestation
c)
insemination
d)
hatching
21.
Which two systems work to coordinate and communicate throughout the animals body?
a)
urinary and respiratory
b)
respiratory and reproductive
c)
nervous and endocrine
d)
digestive and skeletal
22.
Vaccines are used to
a)
prevent disease
b)
kill bacteria
c)
control pregnacy
d)
all of these
23.
Antibiotics are used to
a)
kill viruses
b)
kill bacteria
c)
control pregnacy
d)
all of these
24.
A chart showing matings and offsprings of several generations is a
a)
Punnett Square
b)
monohybrid cross
c)
monthybrid cross
d)
pedigree
25.
The physical appearancerance of an organism is known as its
a)
phenotype
b)
genotype
c)
allele
d)
pedigree
26.
How many alleles does and organism have for each trait?
a)
one
b)
two
c)
three
d)
four
27.
What happens to the alleles when the gametes are formed
a)
the number increases
b)
they separate
c)
they become dominant
d)
the become recessive
28.
When the alleles are the same, an organism is called
a)
homozygous
b)
heterozygous
c)
hybrid
d)
all of these
29.
In a Punnett square, the gametes are
a)
placed above and on the left side
b)
joined together in each box
c)
written in every possibility
d)
all of these
30.
In dominant/recessive patterns
a)
the dominant always shows if it is present
b)
an in between look is possible
c)
both dominant and recessive show together
d)
all of these
31.
In incomplete dominance patterns
a)
the dominant always shows if present
b)
an in-between look is possible
c)
both dominant and recessive show together
d)
all of these
32.
When two phenotypes occur together more often tan expected (such as colorblindness in male humans), this is most likely due to
a)
gene linkage
b)
chance
c)
a recessive trait
d)
an incomplete dominance trait
33.
If two different pure lines are crossed, the result will be
a)
all recessive
b)
a purebred
c)
a hybrid
d)
all of these
34.
Hybrid vigor refers to organisms with
a)
the best traits of both lines
b)
improved quality offspring
c)
more desirable traits than the parents
d)
all of these
35.
To develop new breeds, farmers copy all of the following steps from nature except
a)
separation of the desired type from the undesired type
b)
random mating
c)
limited reproduction
d)
repeating over several generations
36.
How can a sheep herder develop a flock of sheep that have the softest wool?
a)
only allow sheep with coarse wool to mate
b)
only allow sheep with soft wool to mate
c)
allow sheep to mate with any others in the flock
d)
breed soft and coarse wool sheep to each other
37.
Which part of the cell stores a code for all the characteristics of an organism?
a)
nucleus
b)
endoplasmic recticulum
c)
ribosome
d)
Golgi body
38.
DNA is important to
a)
pass on information to offspring cells
b)
store information
c)
direct formation of proteins by other cell parts
d)
all of these
39.
When DNA code is converted into a trait
a)
it leaves the nucleus
b)
it replicates
c)
it is transcribed in to mRNA
d)
all of these
40.
Proteins are formed
a)
out of DNA pieces
b)
during transription
c)
during translation
d)
all of these
41.
What does tRNA bring to the ribosome?
a)
DNA
b)
proteins
c)
amino acids
d)
mutations
42.
Proteins can
a)
be secreted by a cell
b)
build body parts
c)
be stored in a cell
d)
all of these
43.
Which of the following can cause a change in an organism?
a)
a change in one DNA base
b)
building a different protein
c)
a change in a whole or part of a chromosome
d)
all of these
44.
When farmers hope to increase a particular mutation in a herd of cattle, they
a)
breed related family members
b)
use the same bull
c)
harvest extra eggs from the mother
d)
any of these
45.
Animals may be bred for
a)
food
b)
fur
c)
sport/pleasure
d)
any of these
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