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Semester 2 Review
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1 In photosynthesis, the functional product(s) of the light reactions is/are
A ATP and NADPH
B ATP and NADH
C RuBP
D glucose
E carbohydrates
2 This enzyme joins the sugar-phosphate backbones of the Okazaki fragments to make a complete DNA |
strand.
A Telomerase
B DNA polymerase
C Helicase
D Primase
E DNA ligase
3 Which of the following are acoelomates with a one opening gastrovascular cavity and include many
parasitic species like flukes and tapeworms?
A Porifera
B Nematoda
C Cnidaria
D Platyhelminthes
E Chordata
4 Location where glycolysis happens
A mitochondrial matrix
B cytoplasm
C cristae
D thylakoid space
E ribosomes
5 In a testcross, which of the following must be true?
A One of the individuals is homozygous dominant
B One of the individuals is homozygous recessive
C Both individuals are heterozygous
D Both individuals are homozygous
E Both individuals have an unknown phenotype
6 All of the
A
B
C
D
E
following are types of wastes excreted by animals EXCEPT
ammonia
urea
uric acid
nitrate
carbon dioxide
7 Which of the following best supports the idea that certain cell organelles are derived from symbiotic
prokaryotes living in host cells?
A The process of cellular respiration in certain prokaryotes is similar to that in mitochondria and
chloroplasts
B Mitochondria and chloroplasts have DNA and proteins that are similar to those in eukaryotes
C Mitochondria and eukaryotes have similar cell wall structures
D Like prokaryotes, mitochondria have a double membrane
E Mitochondria and chloroplasts have DNA and ribosomes similar to those ofprokaryotes
8 When the stomata of plant leaves open, which of the following occurs?
A There is a decrease of CO2 intake by leaf
B The plant shifts from C3 to C4 photosynthesis
C The rate of transpiration decreases
D there is an increase in the CO2 concentration in mesophyll cells
E There is an increase in the rate of nucleic acid production
9 If the pH of a solution is decreased from 7 to 6, it means that the
A concentration of H+ has decreased to 1/10 of what it was at pH 7
B concentration of H+ has increased 10 times from what it was at pH 7
C concentration of OH- has increased 10 times what it was at pH 7
D concentration of OH- has increased by 1/7 of what it was
E solution has become more basic
10 Which of
A
B
C
D
E
the following represent secondary structure of proteins?
amino acid sequence
beta pleated sheet
disulfide bridges
peptide bonds
glycosidic linkages
11 Egg rolling in geese, aggressive behavior of male stickleback fish in response to red undersides, and
yawning in humans are examples of
A imprinting
B learned behavior
C fixed action patterns
D taxis
E photoperiodism
12 Hydrolysis involves which of the following?
A formation of starch
B hydrogen bond formation between DNA strands
C peptide bond formation in proteins
D the hydrophilic interaction of lipids
E the digestion of maltose to glucose
13 Hemophilia is a sex-linked recessive disorder. If a man and woman have a son with hemophilia, which of
the following is true?
A The father carries an allele for hemophilia
B The mother carries an allele for hemophilia
C The father has hemophilia
D Both parents carry an allele for hemophilia
E The boy's paternal grandfather has hemophilia
14 All of the following are examples of prezygotic barriers EXCEPT
A habitat isolation
B behavior isolation
C temporal isolation
D mechanical isolation
E hybrid breakdown
15 In the alternation of generations in plants, ALL of the following have haploid cells EXCEPT
A sporophyte
B gametophyte
C gametes
D spores
16 Which of
A
B
C
D
E
17 In which
A
B
C
D
E
the following is a mutualistic association of plant roots and fungi?
lichens
hyphae
mycorrhizae
sporangia
legume root nodules
type of coloration does a non-toxic animal mimic the appearance of a toxic animal?
Mullerian mimicry
cryptic coloration
aposematic coloration
Batesian mimicry
parasitoidism
18 Which of
A
B
C
D
E
the following interspecific interactions is NOT an example of a +/- interaction?
ectoparasite and host
herbivore and plant
honeybee and flower
pathogen and host
carnivore and prey
19 In the nitrogen cycle, the process by which atmospheric nitrogen is made available to plants is called
A ammonification
B denitrification
C nitrogen fixation
D nitrogen cycling
E nitrogenation
20 All of the following are conditions required for a population to remain in Hardy-Weinberg equilibrium
EXCEPT
A Large population
B Non-random mating
C No mutations
D No immigration or emigration
E No natural selection
21 ALL of the following can affect the amount of oxygen dissolved in water EXCEPT
A temperature
B photosynthetic activity
C respiration/decomposition activity
D turbulence/mixing
E hydrogen bonding
22 The sarcoplasmic reticulum plays a role in
A opening stomata
B photosynthesis
C nerve conduction
D muscle contraction
E protein synthesis
23 ALL of the following are characteristics of ALL deuterostomes EXCEPT
A blastopore becomes anus
B indeterminate radial cleavage
C diploblastic embryos
D eucoelom
E enterocoelous coelom formation
24 If an earthquake hit a small island so that all but a tiny group of lizards were eliminated and survivors
spread out over the island, this would be an instance of ___.
A founder effect
B bottleneck effect
C gene flow
D mutation
E nonrandom mating
25 The blastopore becomes the mouth in ______________ embryos.
A deuterostome
B protostome
26
In the plant life cycle 2n sporophytes produce spores by ____________.
27
Which plant hormone is responsible for loss of leaves in the fall?
A
B
C
A
B
C
D
E
mitosis
meiosis
fertilization
gibberellins
abscisic acid (ABA)
ethylene
auxins (IAA)
cytokinins
28 A fat is made by joining
A a glycerol and 3 fatty acids
B a glycerol, 2 fatty acids, and a phosphate
C several thousand glucose molecules
D many nucleotide subunits
29 When lactose is present, the lac operator is
A active
B inactive
30 High levels of glucose in the blood stream cause
A cause liver cells to store starch
B the pancreas to release glucagon
C the pancreas to release insulin
D cause the thyroid to release of thyroxin
Answer Key : Semester 2 Review
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5/8/2015 10:25:31 AM