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WorksheetsFinal Exam Review Mix 2
Total questions: 22
Worksheet time: 22mins
Name
Class
Date
1.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
2.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
3.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
4.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
5.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
6.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
7.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
8.
B=brown eyes
b= blue eyes
What is true about two brothers that have brown eyes?
One has genotype BB the other Bb.
b= blue eyes
What is true about two brothers that have brown eyes?
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
9.
This is an example of what?
a)
Complete dominance
b)
Incomplete dominance
c)
Codominance
d)
None of the above
10.
A vampire bat mom is homozygous dominant for red eyes (RR) and heterozygous for fluffy ears (Ff).
The vampire bat father is homozygous recessive for black eyes (rr) and has fluffy ears.
If some of the vampire bat babies have smooth ears, what percentage of babies will have the same eyes and ears as their mom?
The vampire bat father is homozygous recessive for black eyes (rr) and has fluffy ears.
If some of the vampire bat babies have smooth ears, what percentage of babies will have the same eyes and ears as their mom?
a)
25%
b)
50%
c)
75%
d)
100%
11.
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
a)
an electric toothbrush
b)
a toaster
c)
a flashlight
d)
an iron
12.
What best describes the energy conversion that occurs when you turn on a hair dryer?
a)
electric to kinetic to thermal and sound
b)
chemical to thermal to light and sound
c)
nuclear to electrical to thermal and sound
d)
kinetic to light to thermal and sound
13.
What best describes the energy conversion that takes place in a microwave oven?
a)
electrical to light to thermal
b)
chemical to thermal to light
c)
electrical to thermal to sound
d)
nuclear to thermal to chemical
14.
What kind of energy transformation takes place in this system?
a)
chemical to electrical to light
b)
electrical to chemical to light
c)
electrical to light to chemical
d)
light to chemical to electrical
15.
During most energy transformations and transfers, wasted energy takes the form of __.
a)
electromagnetic radiation
b)
sound waves
c)
random mechanical movements
d)
heat
16.
What two forms of energy are given off by a burning candle?
a)
heat and light
b)
mechanical and electrical
c)
nuclear and light
d)
potential and heat
17.
Which of the following converts mechanical energy to a different type of mechanical energy?
a)
Battery
b)
Person riding a bike
c)
Automobile
d)
Camp Fire
18.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
19.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
20.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
21.
Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.
a)
created, destroyed
b)
gravity, force
c)
heat, created
22.
Choose the BEST answer that is an example of an energy transformation from potential energy to kinetic energy.
a)
a ball rolling down a ramp
b)
a picture hanging on the wall
c)
a swing swaying back and forth
d)
a coat hanging on a hook
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