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BIO SAT Practice Test
The law of independent assortment applies to
A codon is
BIO SAT Practice Test
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Review quiz for SAT 2 Test in Biology
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1
A codon is
the nucleotide codes for start and stop
A group of 3 nucleotides
the sequence that serves as the instructions for a protein
a single nucleotide in an mRNA sequence
2
The law of independent assortment applies to
two genes on the same chromosomes
two alleles on different chromosomes
two genes on different chromsomes
two alleles on the same chromosomes
3
A biochemical pathway that utilizes pyruvate to produce ATP, NADH, and FADH
2
C
A
D
B
4
Groups are not attracted to each other for mating
B
D
C
E
5
This is a segment of DNA...what is the mRNA strand from this DNA?
GUTAUUGAT
CGATGGCTA
UCTACCGUA
GCUTACCGAU
6
Earthworms eat organic matter and return nutrients to the soil
B
C
A
D
7
Which is the correct order of stages for an insect that undergoes incomplete metamorphosis?
egg-->larva-->adult
egg-->nymph-->adult
egg-->larva-->pupa-->adult
egg-->nymph-->larva-->adult
8
Which part of the corn seed stores energy for the plant embryo?
A
C
B
D
9
Which of the following best describes an ecosystem?
all populations of different species living together
the part of Earth where life exists
a group of individuals of the same species
all populations and the abiotic environment
10
Mutations are a source of genetic variation. Which cell variation leads to evolution?
brain cells
embryo cells
sex cells
body cells
11
Which characteristic of fungi is used to classify them into phyla?
the way they produce spores
the type of hyphae they have
the type of mushroom they produce
the food they grow on
12
Cattle were moved to another pasture. Which indicates the carrying capacity was exceeded
the cows gained weight
the herd increased in size
the pasture had more grasses
the pasture was overgrazed and barren
13
Which of the following is necessary for a virus to attack a host cell?
The virus must have enzymes to eat through the membrane
The virus must have a shape that fits the host's proteins
The virus must have protein receptors to fit through
The virus must have a specific DNA sequence
14
Lions are hunters on the African plains
A
C
B
D
15
What is the expected ratio of a dihybrid cross between two heterozygous individuals?
3:1
9:3:3:1
1:2:1
3:3:1
16
Which of the following organisms is INCORRECTLY paired with its trophic level?
hawk-primary consumer
tree-producer
fox-secondary consumer
fungi-detritivore
17
Populations grow because
individuals tend to have multiple offspring over their life
random events and natural disasters are rare
The more individuals, the more likely they will survive
the large number of individuals reduces the predators
18
Which tissue transports carbohydrates and water through plants?
epidermal tissue
epithelial tissue
ground tissue
vascular tissue
19
Which of the organisms lack a complete digestive track
II only
II and III
I only
I, II, and III
20
Learned behavior that occurs only at a certain, critical time in an animal's life
C
B
A
D
21
Structural differences prevent mating between individuals of different groups
D
E
B
C
22
If an organism has a haploid number of 24, how many chromosomes do its body cells have?
6
24
12
48
23
The number of trophic levels that are maintained in an ecosystem is limited by
the number of individuals
the hours of sunshine
the loss of potential energy
the number of species
24
Which explanation is correct for why not all bacteria die from antibiotics?
Some of the bacteria evolve into a new species
Some of the bacteria tried and adapted to the medicine
Some bacteria developed an immunity after exposure
Some bacteria had a resistance gene so they cannot die
25
The failure of homologous chromosomes to separate during meiosis is
crossing over
translocation
nondisjunction
mutation
26
For natural selection to occur, which of the following must be true?
individuals must evolve
the environment must be constant
variation among organisms must exist
traits must be acquired
27
You are identifying a plant. You look closely at the leaves and see veins that are parallel
The plant is a monocot
The plant is a gymnosperm
The plant is an angiosperm
The plant is a dicot
28
Groups are physically separated
E
B
D
A
29
According to the cell theory, which of the following statements is correct?
cells evolved from a primordial soup on early Earth
all organisms must be able to reproduce
all organisms are made up of one or more cells
cells have organelles to carry out their functions
30
What is the phenotype ratio for a cross between purple flowers(PP) and white flowers(pp)
all Pp
half white, half purple
all purple
all white
31
Which nucleotide base is found in RNA but not in DNA?
thymine
adenine
uracila
cytosine
32
This is a segment of DNA...which represents the complimentary strand of DNA?
CGTAGGCAT
GCTACCGAT
CGATGGCTA
UAGCCAUCG
33
Groups reproduce at different times
E
C
A
D
34
The classification system set forth by Linneaus grouped organisms based on their
genetic similarities
similar coloring
similar structures
similar habitats
35
Which describes what will happen if cells are placed in distilled water?
Water moves from the outside of the cell into the inside
The cells remain unchanged
Water moves from the inside of the cell to the outside
The cells shrink
36
You cross a red flower with a white flower plant and all offspring are pink. What happened?
Red and white have incomplete dominance
White is dominant
Red is dominant
Red and white have codominance
37
Matings between groups do not produce fertile offspring
D
C
A
E
38
Cows eat grass
D
A
C
B
39
Mendel's law of segregation states that
pairs of alleles exchange material during crossing over
genes are separated on different chromsomes
pairs of alleles separate during mitosis
pairs of alleles separate during meiosis
40
An invertebrate that displays two body forms, medusa and polyp, at different life stages
porifera
cnidaria
echinodermata
nematoda
41
Some bacteria are able to reproduce with a simple form of sexual reproduction called
meiosis
conjugation
binary fission
replication
42
Bats and insects both have wings. The wings of bats and insects are an example of
analogous characters
adaptive structures
vestigial structures
homologous structures
43
Which part of this corn seed makes up the plant embryo?
A, D
B, C
A, B, E
A, B
44
Simple form of learned behavior
C
B
D
E
45
A man with type A blood marries a woman with type B blood. Their child has blood type O.
The parents are AO and BO
The parents are OO and OO
The parents are Aa and Bb
The parents are AB and O
46
Automatic, unconscious reaction
C
B
A
D
47
Cellular respiration in the absence of oxygen
B
D
A
C
48
Buzzards soar in the sky looking for dead animals
B
D
A
C
49
The rigid shape of a plant cell is due to
cytoskeleton
cell wall
cell membrane
chloroplast
50
The internal need that causes that causes an animal to act and is necessary for learning is
motivation
habituation
conditioning
trail and error
51
A biochemical pathway that breaks down glucose into pyruvate
B
A
C
D
