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Life Science Semester 2 Exam Flashcards | StudBud
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Life Science Semester 2 Exam
Life Science Semester 2 Exam
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1
The pulmonary arteries and pulmonary veins connect the heart and the _____________.
brain
lungs
liver
lymphatic system
2
Which of the following is true of both a callus and a blister?
They are a way for the skin to protect itself.
They contain fluids trapped under the skin.
They are caused by too much sunlight.
They are formed from only dead skin cells.
3
The thick layer of skin that contains many blood vessels, nerves, and hair follicles is the _______________.
dermis
subcutaneous layer
epidermis
integumentary layer
4
Which of the following in an example of codominance?
crossing white horse and black horse to product both black and white hairs
pink snapdragon flower color
crossing a tall plant and a short plant to produce a medium plant
crossing round seeds with wrinkled seeds to get only round seeds
5
What is the purpose of valves?
to prevent blood from flowing in the wrong direction
to allow blood to travel to and from the lungs
to allow blood to flow away from the heart
to pump blood in the right direction
6
Which of the following are made up of cells?
viruses
both bacteria and viruses
neither bacteria nor viruses
bacteria
7
Which of the following present(s) a problem for evolutionists attempting to use homologous structures to prove ancestry?
Animals do not have homologous structures.
A common designer could also be responsible for the homologues structures
both A and B
neither A nor B
8
True or False. Carbohydrates, fats, and proteins can all be used to power cellular respiration.
True
False
9
True or False. A latent virus can remain in the body for years before destroying host cells.
False
True
10
True or False. Your thymus continues to enlarge as you age.
True
False
11
True or False. All humans are part of one race—we are all merely different shades of brown.
True
False
12
The elbow is an example of a(n) ____________ joint.
immovable
moveable
cartilage
fused
13
Which structure, also known as the
windpipe
, is the main passageway to your lungs?
esophagus
larynx
pharynx
trachea
14
A bacterium's DNA is located in its ___________.
peptidoglycan
cytosol
nucleus
capsule
15
Different ethnic groups likely developed after ______________.
Adam and Eve's children developed separate cultures.
people were scattered following the Tower of Babel incident.
people fled to escape Noah's Flood.
the curse that resulted from Adam and Eve's sin.
16
True or False. If a person consumes the proper number of calories, he can assume that he has a healthy diet.
True
False
17
True or False. According to Mendel’s research, a dominant trait is hidden by the presence of a recessive trait.
False
True
18
Meat and eggs are good sources of ____________.
fat and protein
vitamins and water
carbohydrates and fat
carbohydrates and protein
19
How are archaea different from bacteria?
They lack membrane-bound organelles.
The do not contain peptidoglycan in their cell walls.
None of the above apply.
They are found only in hot springs.
20
A cross between (inflated pods) and (pinched pods) resulted in all inflated pods. What is the recessive trait?
pod shape
pinched pods
hybrids
inflated pods
21
Which of the following illustrate(s) problems with the methods of dating rocks?
It is common for absolute dating to yield ages that are incorrect.
Carbon-14 in fossils millions of years old show the fossils to be younger
both
neither
22
True or False. A suntan is caused by dead blood cells in the skin when exposed to intense sunlight.
True
False
23
The filtering organs of the excretory system are the _______.
villi
urethras
kidneys
blood vessels
24
True or False. The human body is known to have trillions of bacterial cells.
True
False
25
Darwin’s explanation for the theory of natural selection includes all of the following except
that mutations cause new traits to be formed in a population.
that individuals in a species compete for the things needed to survive.
that some individuals have traits that make them better able to compete.
w/ each new generation, the traits that better allow survival become common
26
Which of the following is not a part of the biblical view of the history of life ?
God's original creation was very good
God created each kind of organism fully formed
sickness and death have always been present
All air breathing land animals, except those, on the ark died in the flood.
27
Where would you find smooth muscle?
in skeletal muscle
in the heart
in the obliques and deltoids
lining the blood vessels
28
How have theologians tried to harmonize evolution with the Bible?
They believe that death did not occur until after the Fall
They try and combine the idea of fixity of species with biblical account
They try to put the millions of yrs needed for evolution somewhere in Bible
They believe the biblical account of Creation as it is written scriptures
29
When your triceps contract, your biceps ____________.
contract and relax
contract
relax
don't contract or relax
30
Biceps and triceps are examples of _________ muscles.
voluntary
smooth
involuntary
cardiac
31
True or False. Arteries branch into small vessels called veins.
True
False
32
Genetic drift would most likely occur in which of the following populations?
an orchard with thousands of orange trees
a greenhouse of snapdragons
a petting zoo with a dozen pygmy goats
a pea plant farm
33
Which structure prevents food from entering your lungs when you swallow?
pharynx
larynx
nasal cavity
trachea
34
Which of the following is an example of multiples alleles?
A red bull crossed with a white cow produces a roan calf.
depend on interaction of two genes, Lab dog can be black, brown, or yellow.
Human eye color is controlled by up to sixteen different genes.
the gene that controls fur color in rabbits has four different alleles.
35
When Mendel crossed purebred GREEN pea plants with purebred YELLOW pea plants, the offspring were all ___________.
purebred peas with green pods.
hybrid peas with all green pods.
hybrid peas with some green and some yellow pods.
purebred peas with yellow pods.
36
Which structure protects bacteria from drying out?
plasmid
conjugate
peptidoglycan
capsule
37
Calcium and phosphate are examples of _____________.
proteins
fats
minerals
vitamins
38
The process of building new cells and structures from digested food is called _____________.
respiration
assimilation
absorption
peristalsis
39
Alleles for a dominate trait are represented with _________________ letters.
lowercase
Greek
underlined
uppercase
40
The pigment that is responsible for much of the color of the human skin is __________.
cartilage
chlorophyll
keratin
melanin
41
How are humans different from other organisms?
Humans have body systems not found in other organisms.
Humans have more complex DNA that other organisms.
Only humans are made up of trillions of cells.
Only humans are made in the image of God.
42
Which cellular structure is missing in red blood cells?
nucleus
hemoglobin
endoplasmic reticulum
cell membrane
43
Using enzymes to break down proteins into amino acids is an example of _______________.
all the above
chemical digestion
mechanical digestion
assimilation
44
Bacteria are found in the digestive system of ruminants to help ___________.
prevent harmful bacterial infections
break down cellulose
decompose waste
transform nitrogen
45
Why do evolutionists and creationists view the history of change in living things differently?
evolutionists and creationists start with different worldviews
creationists believe in changes only in the present not changes in the past
evolutionists believe in changes only in the past not in the present
living things have not changed in the present or past
46
Which of the following structures do bacteria
not
have?
a Golgi apparatus
a capsule
a cell membrane
a chromosome
47
A vaccine gives your body _________.
peptidoglycan to resist a virus attack
a weakened or dead form of a virus
the antibiotics needed to fight a virus
a latent form of a virus
48
True or False. Your pulse measures how quickly your heart is beating.
True
False
49
Absorption of nutrients from digested food happens in the _________.
bile
rectum
villi
pancreas
50
A population of foxes migrates into a desert region. The number of foxes with larger ears is most likely to ___________.
change randomly
decrease
remain the same
increase
51
The Bible teaches that living things were created by God...
a few billion years ago
as unicellular life that needed to evolve
a few thousand years ago
with millions of years in between each of the six days of Creation
52
The muscular chambers that pump blood to the lungs or body are the _________.
atria
valves
aortas
ventricles
53
Substances produced by the liver and pancreas enter the ____________ to aid in digestion.
esophagus
stomach
large intestine
small intestine
54
T rex teeth found in a fossil graveyard are which kind of fossil?
Mineralized fossil
Carbonized fossil
Trace fossil
Original material
55
Which of the following is
not
a beneficial role of bacteria in the environment?
developing resistance to antibiotics
preventing harmful bacterial infections
decomposing wastes
fixing nitrogen in the soil
56
Which of the following is NOT one of Mendel's three principles of heredity?
In a cross of hybrid parents, all offspring will also be hybrid.
Each allele is passed to the offspring independently of the other alleles.
In a cross of purebred parents, all offspring will show the dominant trait.
57
True or False. A spider encased in hardened amber is an example of a mineralized fossil.
False
True
58
Which of the following is the correct order of events for bacteria reproduction?
one bacterium, cell membrane pinches in, two bacteria, DNA replicates
one bacterium, cell membrane pinches in, DNA replicates, two bacteria
one bacterium, chromosomes line up, cell membrane pinches, two bacteria
one bacterium, DNA replicates, cell membrane pinches in, two bacteria
59
Gregor Mendel used pea plants to study heredity for all of the following reasons
except
__________.
many characters (pod color/seed shape) were controlled by a dozen genes.
that their characters, like pod color and height, were easy to observe.
that the characters Mendel studied had at least two identifiable traits.
it was easy to cross different pea plants to see the resulting offspring.
60
When your diaphragm contracts, _________________.
you exhale.
you exhale and your chest cavity enlarges.
you inhale and your chest cavity enlarges.
you inhale.
your chest cavity enlarges.
61
True or False. Different forms of genes that result in different traits are known as alleles.
False
True
62
Which structure of the lymphatic system recycles red blood cells and produces white blood cells?
plasma
lymph nodes
spleen
thymus
63
Urine contains which of the following?
water
all of these
urea
wastes
64
What is process where organisms with certain adaptations survive to pass on their traits to greater number of offspring?
artificial selection
genetic drift
natural selection
population genetics
65
Peristalsis involves
absorbing digested food.
moving food along the alimentary canal.
chewing food.
adding digestive enzymes to food.
66
True or False. The primary function of the large intestine is the absorption of water and minerals.
True
False
67
Viruses may have which of the following structures?
ribosomes
RNA
a cell wall
a cell membrane
68
How does an active virus reproduce?
All the above are correct.
The viral DNA forces the host cell to go through binary fission.
The viral DNA forces a host cell's own machinery to make more viruses.
Viral DNA is replicated/passed on every time the host cell does mitosis.
69
Most blood cells are formed in the ____________.
pancreas
plasma
heart
bone marrow
70
How do creationists view mutations?
as evidence of the increasing disorder in creation as a result of the Fall
as agents capable of changing one kind of organism into a different kind
as most helpful to small, isolated groups of organisms
as an upward march of progress
71
Which blood component provides defense against foreign substances?
red blood cells
platelets
white blood cells
hemoglobin
72
Which organ expels urine from the body?
bladder
nephron
urethra
ureter
73
Because a whale’s flipper and a bat’s wing have similar bone structure, evolutionists refer to the body parts as _______
homologous structures
vestigial structures
common ancestors
transitional forms
74
Which of the following correctly represents the pathway of air through the respiratory structures?
nasal cavity, larynx, trachea, bronchus, alveoli
nasal cavity, trachea, larynx, bronchus, alveoli
nasal cavity, larynx, alveoli, bronchus, trachea
nasal cavity, larynx, bronchus, trachea, alveoli
75
A
Tt
plants is crossed with a
tt
plant. What genotype(s) would you expect the offspring to have?
all tt
some TT, some Tt, and some tt
all Tt
some Tt and some tt
76
The human skeleton would best be described as ______________.
nerve cells
an organ
a tissue
an organ system
77
To escape poor conditions such as extreme heat or cold, some bacteria form __________.
endospores
capsids
blobs
capsules
78
True or False. Harmful bacteria are a result of the whole earth being cursed after Adam and Eve sinned.
True
False
79
A fossil is found above an igneous rock layer that is dated at 50 million years old. Scientists would say the fossil is
older than 50 million years
50 million years old
younger than 50 million years
not able to be dated
80
The hard white tissue covering a bone that forms new bone tissue is _________________.
compact bone
the periosteum
bone marrow
the growth plates
81
True or False. Tissues are groups of organs that work together to perform certain functions.
False
True
82
What is found in the central cavity of many bones?
bone marrow
cartilage
osteons
spongy bone
83
If one parent has an
I
A
allele and the other parent has an
I
B
allele, their child will have which blood type?
B
O
AB
A
84
The connective tissues that connect muscles to bones are called ________________.
ligaments
cartilage
striations
tendons
85
True or False. Muscle tissue is used to move substances throughout your body.
True
False
86
Which type of tissue lines the external and internal surfaces of your body?
nerve
muscle
epithelial
connective
87
Which method of rock dating can be used only for “young” fossils?
absolute dating
carbon-14 dating
relative dating
double dating
88
True or False. Theory of natural selection says individuals in a species must compete for the things needed to survive.
True
False
89
During a strenuous workout, which of the following tells your body to increase your breathing rate?
the number of alveoli in your body.
the amount of oxygen in your blood.
the amount of carbon dioxide in your blood.
the shape of your diaphragm.
90
If father is purebred for dominant trait of dimples (
DD
) and mother is purebred for no dimples (
dd
), then children have
to be either DD, Dd, or dd
to be either DD or Dd
to be all DD
to be all Dd
91
What is the fluid portion of the blood?
platelets
lymph
hemoglobin
plasma
92
Which of the following structures do bacteria have?
an endoplasmic reticulum
ribosomes
mitochondria
a nucleus
93
Bile is used to ____________.
break up proteins
absorb digested nutrients
digest fats
digest carbohydrates
94
Which of the following is responsible for delivering oxygen and removing carbon dioxide from cells throughout the body?
lymphatic circulation
pulmonary circulation
systemic circulation
alveoli circulation
95
Which of the following is a phenotype?
a pea plant
black fur
a Punnett square
Bb
96
True or False. Your body needs about a half glass of water per day.
False
True
97
True or False. Created kinds and different species refer to the same groups of organisms.
False
True
98
True or False. A plant that follows simple dominance and has the genotype Tt would exhibit the dominant trait.
True
False
99
True or False. Carbon dioxide and oxygen pass between the alveoli and capillaries by diffusion.
False
True
100
What is the primary function of the excretory system?
to release excess uring
to rid the body of ammonia
to absorb water and minerals
to remove wastes from the body
