Which of the following is NOT a goal of conservation?

a. introducting non-native speces into new environments

How does having a high specific heat allow water to support living organisms?

a. helps prevent sudden changes in temp within an organism

Why are you unlikely to find archaebacteria in farm pond water?

d. Archaebacteria prefer more extreme living cond. 2 pond

Wire dominant to smooth hair. Both are heterozygous for trait;probable hair types of offspring?

a. 75% will have wire hair; 25% will have smooth hair

How are energy and nutrients moved differently through living systems?

d. Energy flows only one way, but nutrients recycle.

What role do plants play in the nitrogen cycle?

They convert nitrates and nitrites in soil to proteins.

Human activities can affect biodiversity, but so can natural events like...

d. A tornado knocks down trees in a forest.

Which of the following illustrates the adhesive property of water?

c. Water measured in burette forms meniscus at its surface.

Student wonders why foods need to be refrigerated.Which would be a hypothesis for observation?

c.Cool air in fridge keeps bacteria from growing on foods

How do funguslike protists get nutrients?

c. by absorbing them from dead or decaying matter

When is a recessive allele for a trait expressed in the phenotype of an individual?

d. when it is paired with another recessive allele

Which of the following is NOT shown on a Punnett square?

a. the actual results of a genetic cross

What is the MOST likely outcome if a population grows larger than the carrying capacity?

d. The death rate will increase.

a. a dual organism made of fungus and an alga

When using high-power objective on a miscroscope, what should you use to bring view into focus?

a. only the fine adjustment knob

Why are lichens important to the environment?

c. they break down rocks into soil

studbud

Biology Exam Review

220 termsStudBud Administration289 plays

Quest questions and diagrams

Flashcards220 cardsFPractice quizPHost liveL

Questions 220

Answers

1
Plants release water into the atmosphere through which process?
c. transpiration
a. photosynthesis
d. percolation
b. condensation
2
For the trait shown in the pedigree, what is the genotype of person I1 and II2?
c. XaXa
a. XAXa
d. AA
b. XAY
3
Which of the following is NOT a goal of conservation?
d. preserving biodiversity
a. introducting non-native speces into new environments
c. protecting habitats and wildlife
b. managing natural resources
4
Chromosomes are visible only during what part of the cell cycle?
c. during the G1 phase
b. when they are being replicated
d. during mitosis
a. during interphase
5
How does having a high specific heat allow water to support living organisms?
d. it is less dense and floats when it is frozen
a. helps prevent sudden changes in temp within an organism
b. it dissolves ions to be transported to cells
c. exhibits capillary action to transport water thru tubes
6
A chemical is marked w/the following symbols.If chemical is used in lab,what shouldn't be used?
a. glass containers
c. latex or nitrile gloves
b. a Bunsen burner
d. a hotplate
7
Why are you unlikely to find archaebacteria in farm pond water?
d. Archaebacteria prefer more extreme living cond. 2 pond
a. Archaebacteria do not live in water
b. Archaebacteria are found only in salt water
c. Archaebacteria are too small to be seen with a microscope
8
Which of the pieces of lab equipment would be used to measure the mass of a slice of bread?
a. meter stick
c. triple beam balance
d. spring scale
b. graduated cylinder
9
Wire dominant to smooth hair. Both are heterozygous for trait;probable hair types of offspring?
b. 25% = wire hair; 50% = coarse hair; 25% = smooth hair
c. 25% will have wire hair; 75% will have smooth hair
d. 50% will have wire hair; 50% will have smooth hair
a. 75% will have wire hair; 25% will have smooth hair
10
Which terrestrial biome has the most biodiverstiy?
a. tundra
d. taiga
c. grasslands
b. tropical rainforest
11
Study says that purring of cats helps ppl heal faster. What group(s) represent control group?
d. group 3 only
c. group 2 only
a. group 1 only
b. group 1 and 2 only
12
Which substance would best neutralize a strong acid?
b. a weak base
d. a weak acid
c. pure water
a. a strong base
13
A community can undergo a series of predictable changes over time. What are changes called?
d. primary change
c. population growth
b. climax community
a. ecological succession
14
Which of these is NOT a characteristic of all mammals?
a. three-chambered hearts
b. mammary glands in females
c. fur or hair
d. endothermic
15
Which process BEST describes this cell division?
b. mitosis
d. oogenesis
a. meiosis
c. reproduction
16
In which type of environment are you LEAST likely to find a reptile?
d. wet
a. cold
c. dry
b. hot
17
How are energy and nutrients moved differently through living systems?
c. energy limited in biosphere; nutrients always available.
a. Energy forms chemical bonds; most nutrients lost as heat.
d. Energy flows only one way, but nutrients recycle.
b. Nutrients flow in one direction, but energy can recycle.
18
What role do plants play in the nitrogen cycle?
They convert atmospheric nitrogen to ammonia.
Produce/release nitrogen as byproduct of photosynthesis
Release nitrogen in2 atmosphere-decompose nitrates/nitrites
They convert nitrates and nitrites in soil to proteins.
19
Human activities can affect biodiversity, but so can natural events like...
d. A tornado knocks down trees in a forest.
c. Birds migrate from Canada to South America.
b. Lichens and moss form soil as part of primary succession.
a. Hunters kill deer during hunting season.
20
Which of the following illustrates the adhesive property of water?
a. Rainwater dissolves airborne pollutants.
b. Pond water evaporates once it absorbs much heat energy.
c. Water measured in burette forms meniscus at its surface.
d. Ice floats when it is added to a beverage.
21
Brown dominant 2 white.Heterozygous mated w/white.8 offspring produced;how many white expected?
b. 8
d. 2
a. 4
c. 0
22
A construction company buries its trash outside. Which is MOST likely to decompose quickly?
c. fiberglass shingles
d. nails
b. cement bricks
a. wood
23
Which of the following is an example of a vascular plant that produces spores?
d. liverwort
b. mold
c. moss
a. fern
24
What is the name of the parts labeled B in the diagram above?
b. chromosomes
d. sister chromatids
a. centromeres
c. spindles
25
Which is NOT an example of the body maintaining homeostasis?
b. breathing faster
a. perspiring
d. keeping rhythm
c. getting thirsty
26
Which of these could be found in a DNA nucleotide?
b. ribose and cytosine
c. deoxyribose and uracil
d. ribose and adenine
a. deoxyribose and thymine
27
Student wonders why foods need to be refrigerated.Which would be a hypothesis for observation?
b. Refrigerators cool the air inside them.
c.Cool air in fridge keeps bacteria from growing on foods
a. Foods left in sun spoil faster than foods left in shade.
d.In Mid. Ages,used salt or sugar to cure food in fridge now
28
Which of the following is found in RNA but not in DNA?
b. adenine
d. uracil
a. thymine
c. phosphate groups
29
Which of the following proceses requires cellular energy?
c. diffusion
d. facilitated diffusion
a. osmosis
b. exocytosis
30
Which set of #ed individual has greatest chance of havinag child affected by genetic condition?
d. 2
b. 3
a. 4
c. 1
31
Red-flower plant crossed w/white one-pink-flowering plants produced. Pattern of inheritance?
c. incomplete dominance
d. polygenic inheritance
a. multiple alleles
b. inbreeding
32
Where does most photosynthesis take place in plants?
b. the cuticle in the leaves
c. the mesophyll in the leaves
d. the vascular bundles in the stems and roots
a. the path of the stem
33
What type of symmetry is found in cnidarians?
c. radial symmetry
d. adjacent symmetry
b. asymmetry
a. bilateral symmetry
34
How do funguslike protists get nutrients?
d. by living as an animal parasite
b. by photosynthesis
a. by a mutualistic relationship with algae
c. by absorbing them from dead or decaying matter
35
An enzyme catalyzes decomposition reaction of H₂CO₃ into H₂O and CO2. Substrate?
b. carbonic anhydrase
c. H2O
d. red blood cells
a. H2CO3
36
Receives an average 230 cent. of rain/yr; has constant yr-round high temp of 31º C-biome type?
d. taiga
b. tropical rainforest
c. tundra
a. grasslands
37
When is a recessive allele for a trait expressed in the phenotype of an individual?
c. when it is paired with a dominant allele
b. when it occurs in a heterozygous individual
a. when it occurs in a homozygous dominant individual
d. when it is paired with another recessive allele
38
Antelope gather in herds to protect all from predators. What is relationship among antelope?
a. predation
b. competition
c. cooperation
d. commensalism
39
Eukaryotic,1cellular,chlorophyll, reproduces w/binary fission and conjugation,moves w/2flagella
c. Fungi
d. Animalia
b. Protista
a. Eubacteria
40
Which identifies type of chromosome mutation that has occurred on chromosome 18?
d. inversion
b. duplication
c. deletion
a. insertion
41
Which of the following is NOT shown on a Punnett square?
d. the possible results of a genetic cross
c. the alleles of each parent
b. the genotypes of possible offspring
a. the actual results of a genetic cross
42
Most carbon in the atmosphere occures in what form?
c. elemental carbon
b. carbonic acid
a. carbondioxide
d. carbon dioxide
43
Which part of this parameciusm enables it to move?
d. cilia
b. flagella
a. contractile vacuole
c. pseudopods
44
What scientist disproved spontaneous generation by showing flies aren't created by rotted meat?
b. John Needham
c. Louis Pasteur
a. Sidney Fox
d. Francesco Redi
45
If frog pop drastically increased, which organism in food web would be MOST adversely affected?
c. rabbits
b. grass and plants
d. grasshoppers
a. foxes
46
What is the MOST likely outcome if a population grows larger than the carrying capacity?
a. The death rate will decrease.
b. The birthrate will remain constant.
c. The birthrate will increase.
d. The death rate will increase.
47
Cell division in plant and animal cells differs because plant cells have which of following?
a. centrioles
c. chromatin
b. a cell plate
d. centromeres
48
What are lichens?
b. a type of plantlike protist
c. a type of Archaebacteria
a. a dual organism made of fungus and an alga
d. a type of fungi
49
When using high-power objective on a miscroscope, what should you use to bring view into focus?
c. only the diaphragm to adjust the light
d. first coarse adjustment knob, then fine adjustment knob
b. only the coarse adjustment knob
a. only the fine adjustment knob
50
Why are lichens important to the environment?
b. they kill viruses
a. they decompose dead organism
c. they break down rocks into soil
d. they provide food for bacteria
51
Which of th these is NOT a way that carbon cycles through the biosphere?
d. photosynthesis
c. combustion of fossil fuels
a. decomposition
b. transpiration
52
Which of the following is NOT characteristic of ALL living things?
b. must have oxygen
c. grow and develop
d. share a universal genetic code
a. must have a source of energy
53
Which of the following is a correct description of the cell cycle?
a. the time between the birth and the death of a cell
c. series of events cells go thru as they grow and divide
d. the time from prophase until cytokinesis
b. the time needed for one cell to undergo mitosis
54
Which of the following is a true statement about how energy is stored in living organisms?
energy stored: minerals are released into the bloodstream
energy stored: cells break sucrose 2 glucose and fructose
energy stored when 3rd phosphate group breaks off of ADP
energy stored: 3rd phosphate group bonds 2 ADP 2 form ATP
55
Pasteur used flask 2 heat broth in experiment.What was purpose of Pasteur’s experiment?
a. to disprove spontaneous generation
c. to create amino acids from basic chemical
d. to form simple cell-like structures
b. to prove the theory of evolution
56
Which type of organisms carries out most nitrogen fixation?
b. bacteria
d. insects
c. mammals
a. plants
57
According 2 most scientists, which is most likely description of 1st cell to form on earth?
a. aerobic, heterotrophic, eukaryote
d. anaerobic, autotrophic eukaryote
c. anaerobic, heterotrophic prokaryote
b. photosynthetic prokaryote
58
In which biome would you MOST expect to find carnivorous plants?
a. tundra
d. tropical rainforest
c. taiga
b. temperate forest
59
Which of the following BEST describes sponges?
d. parasite
b. autotroph
c. predator
a. filter feeder
60
When does diffusion occur across a cell membrane?
concentration of particles is = on both sides of membrane
concentration of particles is dif. on each side of membrane
when there are no particles on either side of membrane
when water moves across the membrane
61
A 6 ft tall plant has long needle-like leaves and produces cones belongs 2 which division?
c. Anthophyta (Angiosperms)
b. Coniferophyta (Conifers)
d. Bryophyta (Non-Vascular Plants)
a. Pterophyta
62
In this food chain, which organism is FEEDING on a primary consumer?
b. snake
c. frog
a. water flea
d. insect
63
During photosysnthesis, what occurs in the light dependent reactions?
c. water molecules are created from hydrogen and oxygen
b. oxygen is released
d. NADP is produced
a. carbon dioxide is released
64
Mongoose introduced to new environment. Native bird population decreased-why?
c. The non-native mongoose upset balance of ecosystem.
a. The birds became dependent on the mongoose for food.
d. Change in climate caused the bird population to decrease.
b. Mongoose decreased gene pool, which decreased diverstiy.
65
Which of the following is true about plants that do NOT have vascular tissue?
a. Can pull up water only a few centimeters above the ground
c. They must grow in dry climates.
d. They can conduct water long distances.
b. They produce seeds to reproduce.
66
Which is true about a substance that has concentrations of H⁺ ions lower than pure water?
a. it has a neutral pH
c. it is an acid
d. it is an isotope of carbon
b. it is a base
67
Which event could cause primary succession to begin?
d. abandonment of farm land
c. a forest fire
b. a volcanic eruption
a. a severe storm
68
Which process BEST describes this cell division?
d. mitosis
a. meiosis
b. DNA replication
c. reproduction
69
Which of these can be viewed with a compound light microscope but NOT an electron microscope?
d. a human hair
c. live motion of bacteria
a. red blood cell
b. the influenza virus
70
Which trophic level does the insect in this food chain represent?
c. third
a. second
d. first
b. fourth
71
Which characteristic in whales prevents them from being classified as fish?
a. they eat fish
c. they reproduce sexually
d. they produce milk for their young
b. they bear live offspring
72
Which of the following is an example of natural selection?
c. a mother finch protects her nest against predators
a. A baby finch learns to fly from its nest
d. finch w/strong beak better survive on island w/large seed
b. male and female finch will form pair-stay 2gether 4 life
73
A heterotroph with a cell wall made of chitin would be in which kingdom?
c. Archaebacteria
d. Fungi
b. Plantae
a. Protista
74
Which biome is characterized by low temperatures, little precipitation, and frozen subsoil?
d. a temperate forest
c. a tropical rainforest
b. a desert
a. a tundra
75
Acerdon celebensis and Acerodon humilis are diff fruit bats. Smallest classification in common?
d. species
b. order
a. genus
c. family
76
Which of the following currently has the most impact on environmental changer on earth?
b. conservation
c. energy use
d. human activities
a. the climate
77
Why would sexually-reproducing animal survive hostile environment better than one that doesn't?
a. b/c sexual reproduction produces more of male offspring
b. b/c sexual reproduction provides more genetic variation
c. b/c sexual reproduction results in identical offspring
d. b/c sexual reproduction results in larger #s of offspring
78
Where are MOST sex-linked genes located?
a. on the Y chromosome
c. on the X chromosome
d. on the dominant chromosome
b. on the autosomes
79
Which of the following is a characteristic of a monocot?
a. taproot
d. flowers with 4 or 5 petals
c. parallel veins in the leaves
b. seeds with two cotyledons
80
How is any animal with a spinal cord classified?
d. an invertebrate chordate
c. an amphibian
a. a reptile
b. a vertebrate
81
Was little/no free O2 in early earth’s atmosphere.How would O2 have affected formation of life?
c. it would have caused life to be formed much slower
a. Would have destroyed organic molecules needed for life
d. it would have caused life to be formed much faster
b. it would not have affected the formation of life
82
What is an organism called that cannot make its own food?
c. autotroph
b. chemotroph
d. producer
a. heterotroph
83
Hemophilia is an example of what type of disorder?
c. disorder with genes located on the Y chromosome
a. disorder caused by a dominant gene
d. sex-linked disorder.
b. disordere inherited only from the mother
84
How is internal fertilization an advantage over external fertilization?
b. internal fertilization has a higher rate of fertilization
a. internal fertilization produces large #s of offspring
c. internal fertilzation requres the presence of water
d. internal fertilization allows more egg cells 2 b produced
85
What type of relationship is represented by an organism catching and feeding on other organism?
a. predation
d. mutualism
b. competition
c. cooperation
86
Which adaptation would be seen in plants in this biome?
b. large leaves and shallow roots
c. thin-bladed grasses can colorful wildflowers
a. needle-like leaves and deep roots
d. small, glossy leaves and small flowers
87
Small # of tree frogs get geographically separated from larger pop.What is likely4 small group?
a. it is more likely to breed with other species of frogs
c. more likely 2 have greater diversity since pop decreased
b. it's more likely to produce a greater number of offspring
d. more likely 2 undergo speciation b/c of a small gene pool
88
Diagram represents sequence of base pairs along section of DNA.Which bases correspond to "?s" ?
c. TGA
b. CAT
d. TGC
a. ACG
89
Most chickens on farm have small legs and heads-want 2 breed 4 large legs. Why not possible?
c. the chickens will lose their ability to breed
b. trait 4 large legs may be recessive-not express n chicken
a. trait4 large legs may have been eliminated from gene pool
d. trait 4 larger legs can only be gained through a mutation
90
Stomach safe from acid by mucus. Food exits stomach(no more mucus),mixed w/alkaline-why?
d. to further decrease pH of food coming from the stomach
c. to neutralize the acid from the stomach
b. to add mucus to the small intestine
a. to heal any ulcers found in the stomach
91
Photosynthesis and cellular respiration cycle which b/w the atmosphere and living organisms?
b. carbon and oxygen
d. water and hydrogen
a. glucose and starch
c. ADP and ATP
92
Which of the following is an example of how human efforts have decreased biodiversity?
c.recycling/reusing plastic and paper-don't enter land fills
d.strip mining to get natural resources under earths surface
a. re-introducting endangered species into natural habitats
b. establishing National Forests- can't be used commercially
93
Fragile X syndrome is sex-lnked. Woman who is a carrier marries normal man. Which is true?
Daughters/son may be carriers of dis-;sons may have disorder
Daughters may/may not carry; sons may/may not have disorder
Daughters will carry disorder; sons will have disorder
Daughters may/may not have; sons may/may not carry disorder.
94
Which of the following graphs BEST represents his results?
maximum strawberry production occurred at a pH of 7.0
maximum strawberry production occurred at a pH of 4.0
minimum strawberry production occurred at a pH of 5.8.
maximum strawberry production occurred at a pH of 5.8
95
Which would affect the precision of a measurement?
d. the size of the increment of measure
b. the length of the ruler
c. reading the ruler at a different time of day
a. reading the ruler at an angle
96
2 species of caterpillar that eat the same food are put in an ecosystem. What is to occur?
d. 1 speices will change diet; begin eating off diff. tree
b. 1 will out-compete other for leaves; other will die out.
a. Both species of caterpillar will thrive.
c. 1 species will begin eating other as a defense mechanism.
97
Which organic compound has a -NH₂ group and a - COOH group?
b. simple sugar
c. amino acid
d. lipid
a. nucleic acid
98
What technology is uesed to compare the similarity of DNA between two organisms?
a. natural selection
b. selective breeding
c. pedigrees
d. gel electrophoresis
99
Which two biomes have the LEAST amount of precipation?
a. taiga and temperate forest
c. tropical rainforest and grasslands
b. tundra and desert
d. taiga and grasslands
100
Natural selection-organisms who survive are 1s best adapted for their environment. Why?
a. they do not have competition within the species
d. they grow larger than others in their population
c. They have adaptations developed through use
b. they have inherited adaptations that maximize fitness
101
Which of the following describes a plant’s role in the carbon cycle?
Converts carbon dioxide to carbs thru photosynthesis.
Releases carbon dioxide as byproduct of photosynthesis.
Decompose organic C molecule in2 inorganic C compound n soil
Stores carbon dioxide in leaves to be consumed by animals
102
Which stage of cell division is being shown?
d. anaphase
b. telophase
c. prophase
a. metaphase
103
Which of the following is produced by the Calvin cycle (Light - Independent Reaction)?
a. oxygen gas
b. carbon dioxide
d. high-energy sugar
c. ATP
104
How does carbon dioxide in the atmosphere enter into living organisms?
b. burning of forests
c. photosynthesis
a. combustion of fossil fuels
d. transpiration
105
The rabbit populatin in ecosystem sharply declines 1 spring. What is MOST likely cause of this?
a. an increase of plant populations
d. an increase in the grasshopper population
c. disease
b. a change in temperature
106
Has forest of pine trees, severe winters,short growing season,50 cent of precip/yr-which biome?
d. taiga
c. tundra
a. temperate forest
b. tropical rainforest
107
Water molecules attract one another to form what kind of bonds?
d. ionic
c. hydrogen
a. metallic
b. covalent
108
Which of the following is NOT a function of protein?
c. stores genetic information
b. transport substances across the cell membrane
d. acts as catalysts for some reaction
a. builds tissues such as bone and muscle
109
Which cellular process is shown by this diagram?
b. translation
d. replication
a. crossing over
c. transcription
110
Which of the following is NOT a function of the nucleus?
b. contains the information needed to make proteins
d. controls most of the cell’s processes
a. transports materials throughout the cell
c. stores DNA
111
Which of the following processes produces the most ATP?
d. lactic acid fermentation
c. alcoholic fermentation
b. aerobic respiration
a. glycolysis
112
Theory of natural selection says what about members of pop that live long enough 2 reproduce?
b. will pass down characters gotten by use/disuse2 offspring
a. will pass down unfavorable changes to their offspring
c. will produce fewer offspring than others in population
d. they will be best adapted to survive in their environment
113
What is the purpose of the diaphragm on a light microscope?
d. It makes the microscope more stable on an uneven surface.
c. It provides a larger field of view.
b. It allows better focusing.
a. It allows the amount of light to be adjusted.
114
Which process do some bacteria use to convert nitrogen gas in the air to ammonia?
d. excretion
b. decomposition
a. denitrification
c. nitrogen fixation
115
This animal carries its young in a pouch. How is this animal classified?
b. as a monotreme
c. as an ectotherm
a. as a placental mammal
d. as a marsupial
116
How many producers are shown in this food web?
c. 0
a. 4
b. 1
d. 2
117
What is the ultimate source of almost all energy in ecosystems?
d. sunlight
c. carbon
a. complex carbohydrates
b. simple carbohydrates
118
What would be the BEST way to present data if want to show how an amount changes over time?
b. in a bar graph
a. in a diagram differentiating between types
d. in a table using days and descriptions
c.in a line graph
119
NA rat/Australian mouse/NA jerboa-similar look/behavior-evolved separately.Which same4 species?
b. the environments in which they evolved
c. the genetic code of their DNA
d. their embryo development
a. a closely-related common ancestor
120
During translation, which anticodons would match codons given in the mRNA sequence below?AUCGAC
c. TAGCUG
a. TAGCTG
d. UTGCUG
b. UAGCUG
121
Which organisms are found on the first trophic level?
a. aquatic vegetation and terrestrial grasses
b. zooplankton and insects
c. fish and spiders
d. frogs and water snakes
122
All annelids have which characteristic?
c. an external shell
b. segments
d. stinging tentacles
a. a backbone
123
A flask containing a dilute acid solution- it spilled on a table and floor and broke. What now?
Rinse in EM shower; clean the spill; throw broken glass away
Tell teacher; keep others from area;follow teacher direction
Neutralize acid with a base; throw away flask; tell teacher
Use eyewash; throw away broken glass; rinse acid down sink
124
BbSs and BbSs crossed. Prob. offspring will b homozygous dominant 4 fur color and length?
a. 1/4
b. 1/16
d. 1/2
c. 1/8
125
Which of the following would you expect to find at the top of an energy pyramid?
b. A mouse that eats small insects and worms.
a. A wolf that has no natural enemies.
c. An anteope that eats grass.
d. A tree that produces leaevs eaten by deer.
126
Some flowers in pop open b/f noon. Others open late in day. This diff is an ex of which?
d. temporal isolation
a. behavioral isolation
c. genetic equilibrium
b. geographic isolation
127
Which type of stimulus seemed to have the LEAST effect on planarian movement?
d. plants
a. food
c. rocks
b. light
128
If a plant reproduces vegetatively, which of the following is true of the offspring?
d. They will have half the number of chromosomes.
b. They will grow only from seeds.
a. They will be genetically identical.
c. They will remain dormant until the spring.
129
Which idea of Charles Lyell influenced Darwin’s theory of evolution?
humans struggle to exist just as plants and animals do
organisms best adapted to their environment tend 2 survive
Organsm acquires trait during lifetime-pass trait 2offspring
The earth is very old and has changed gradually over time
130
The chemistry of aquatic biomes is MOSTLY determined by which factors?
a. biotic and abiotic factors in the water
d. number of organisms present in the water
c. amount of runoff the water recives
b. amount of salts and oxygen dissolved in the water
131
This represents which level of organization?
none
highest
lowest
middle
132
About what percent of energy from the algae is transferred to the water flea?
a. 10%
c. 1%
d. 80%
b. 50%
133
How does nitrogen get recycled back to the atmosphere?
b. decay by bacteria
c. lightning in storm clouds
a. infiltration of groundwater
d. runoff of precipitation
134
Look at the diagram below. What will happen to the cell?
d. It will gain sodium ions.
b. It will lose water and shrink.
c. It will remain the same size.
a. It will swell with water.
135
Where are the protons found in an atom?
c. in the nucleus
a. in the cloud region surrounding the nucleus
d. inside the neutrons
b. outside the nucleus
136
Separation of a pop. by barrier, (river, mountain, or a body of water) results in what?
a. geographic isolation
d. behavioral isolation
c. genetic drift
b. temporal isolation
137
During which stage of the carbon cycle is carbon fixed?
c. when carbohydrates are in plants and animals
a. during cellular respiration
b. during photosynthesis
d. when carbon dioxide is in the atmosphere
138
Westyn knew his protist was autotrophic as soon as focused the microscope. What did Westyn see?
d. the pigment chlorophyll
c. ciliar around the edges of the protists
a. a singl flagellum
b. a contractile vacuole
139
Which is the most accurate and precise volume measurement possible for the liquid below?
d. 13mL
b. 14mL
c. 13.6 mL
a. 10.35mL
140
Based on the graph, what can you infer about the algae population?
c. Algae reproduces most quickly during the month of July.
b. Algae-eating snails were most active in aquarium in June.
a. The algae reached its carrying capacity in July.
d. Algae is usually dormant in March and April
141
Which will give MOST accurate and precise measurement of 80mL of liquid to be put in test tube?
d. a 50 mL Erlenmeyer flask marked in 10 mL increments
b. a 25 mL graduated cylinder marked in mL increments
c. a 10 mL graduated cylinder marked in tenths of a mL
a. a 10 mL beaker marked in 5 mL increments
142
Plants >> Insect Larvae >> Moles >> Foxes Which population is most affected by lead poisoning?
b. foxes
c. plants
a. insect larvae
d. moles
143
Which piece of lab equipment would be most appropriate to hold 300 mL of water as it heats?
b. 500 mL graduated cylinder
a. 500 mL beaker
c. large syringe
d. 500 mL burette
144
Which is NOT a true statement about the relationships represented in the food web?
b. The water snakes are top predators.
c. Aquatic vegetation and terrestrial grasses are producers.
a. The insects are decomposers.
d. The fish represent secondary consumers.
145
How are primary and secondary succession different?
d. Primary occurs rapidly; secondary occurs slowly.
b.Secondary starts on soil; primary on newly exposed surface
a. Secondary succession begins w/lichens, primary w/mosses.
c. Primary changes the environment, but secondary does not.
146
Which of the following is an example of how human activities have increase biodiversity?
b. clear cutting tropical rainforests
a. draining wetlands
c. protecting natural habitats
d. strip mining
147
Eukaryotic, multicellular, reproduces using sexually, asexually, and by producing spores?
c. Animalia
b. Fungi
a. Eubacteria
d. Protista
148
Which of these occurs in the cytoplasm of a cell?
b. electron transport
c. Krebs cycle
d. photosynthesis
a. glycolysis
149
Which of the following is NOT a consequence of clearing rainforests?
b. disruption of carbon cycle
d. loss of potential medicinal plants
c. increase in global atmospheric oxygen
a. extinction of tropical rainforests species
150
What is the name of that organelle in box 1?
b. ribosome
a. nucleus
c. mitochondrion
d. chloroplast
151
What is the most important purpose of photosynthesis to plants?
c. to store energy in the chemical bonds of glucose
b. to break down glucose into carbon dioxide and water
d. to create oxygen
a. to create sunlight
152
What would occur to transfer of energy if producers were removed from cycle?
c. Flow of energy in the system would immediately decrease.
d. Decomposers would replace producers in transfer of energy
b. Consumers would get all energy directly from the sun.
a. En. in inorganic nutrients would transfer 2 consumer
153
Father of purebred cat is disputed. Which would be best to use to determine father of cat?
a. a Punnett square
c. a karyotype
d. a DNA fingerprint using gel electrophoresis
b. a pedigree
154
Which of the following summarizes photosynthesis?
a. C + O2 + H20 + energy → CO2 + H2O
c. 6CO2 + 6H2O + energy → C6H12O6 + 6O2
d. C12H6O6 → 6CO2 + 6H2O + energy
b. 6CO + 6H2O → C6H12O6 + energy
155
Which of the following micrscope magnifications would provide the NARROWEST field of view?
d. Objective 5x, Ocular 10x
c. Objective 20x, Ocular 5x
a. Objective 15x, Ocular 20x
b. Objective 10x, Ocular 10x
156
Where can lactic acid fermentation be found to occur?
c. in muscle cells
d. in mitochondria
a. in any environment without oxygen
b. in bread that is rising
157
A molecule made up of nucleic acids would be classified into which of the following groups?
b. protein
d. fat, wax, phospholipid, or steroid
c. RNA or DNA
a. simple or complex carbohydrate
158
Which of the following is NOT a correct statement about the cell cycle?
d. Cell growth occurs during the G2 phase
b. Cell division ends with cytokinesis.
c. During the S phase, DNA replicates.
a. Interrphase is usually the shortest phase.
159
Alison collects a colony of microscopic. Prefers viewing them using low-power objective. Why?
d. The organisms appear larger.
a. The organisms are in sharper focus.
c. She can see more organisms at one time.
b. The smaller organisms can be seen easier.
160
An atom of calcium has 2 valence electrons. What will it MOST LIKELY do to become stable?
a. Gain 2 electrons.
c. Neither gain nor lose any electrons.
b. Gain 6 electrons.
d. Lose 2 electrons.
161
The diagram above shows which process?
b. facilitated diffusion
d. endocytosis
c. active transport
a. osmosis
162
To minimize bias, which group should receive a placebo?
d. Group 2
c. Group 1
b. Group 4
a. Group 3
163
Why was DDT found to be hazardous over longer periods of time?
c. It was a natural insecticide.
d. It built up in consumers instead of decomposing.
b. It killed herbivores instantly.
a. It decomposed rapidly.
164
Red horse (RR) is crossed w/ white horse (WW);offspring are all roan (RW). Type of inheritance?
d. polygenic inheritance
b. multiple alleles
a. incomplete dominance
c. codominance
165
Which change in procedure would improve the validity of the experiment?
d. Using people who are about the same age
c. Adding a group of people who are allergic to cats
a. Decreasing the number of people in each group
b.Increasing group 1’s exposure to purring cat to 60 min/day
166
A child with nondisjunction would likely be born with which?
b. a genetic disorder.
c. a viral disease
d. a cancerous tumor
a. a bacterial infection
167
2 rabbits w/brown eyes have 1 of 4 offspring w/pink eyes. Which is likely concerning pink eyes?
a. It is dominant.
d. It is sex-linked.
c. It is codominant.
b. It is recessive.
168
Ponds and lakes represent what type of biome?
d. flowing-water
a. intertidal zones
b. standing-water
c. wetlands
169
Which of the following is a result of crossing over?
d. birth defects
b. offspring identical to parent(s)
a. greater genetic variation
c. larger number of offspring produced
170
Which of the following is MOST often cited for global warning?
b. increased levels of CFC chemicals
c. decreased levels of atmospheric ozone
a. decreased levels of dissolved oxygen
d. increased levels of carbon dioxide
171
Which carnivore in the food chain represents the top consumer?
d. owl
a. insect
c. snake
b. frog
172
Trypsin likely breaks down protein into which of these components?
a. fatty acids
d. monosaccharides
c. nucleic acids
b. amino acids
173
During transcription, which strand mRNA would form from strand DNA w/nucleotide sequenceGCTCAG?
a. CGUCTC
c. CGAGTC
d. AUCUGA
b. CGAGUC
174
Which of the following is NOT a way that carbon is stored in the biosphere?
a. in the atmosphere
c. as fossil fuels
b. in tissues of living organisms
d. as ozone
175
The part of the cell marked by the arrow is which organelle?
a. endoplasmic reticulum
b. nucleus
d. Golgi apparatus
c. mitochondrion
176
A mother and father have AB blood types. Probability their children will have an A blood type?
d. 50%
c. 25%
b. 0%
a. 75%
177
Which of the following is NOT part of Darwin’s theory of natrual selection?
mutations n genetic code-beneficial changes 2 some organisms
organisms compete for limited natural resources
organisms w/variation-fit4 environment survive and reproduce
organisms change-mod. pass 2 child accumulate n generations
178
Which of the following characteristics do ALL protists have in common?
c. They are all multicellular
b. They are all eukaryotic
a. They are all autotrophs
d. They are all unicellular
179
What two biogeochemical cycles depend on photosynthesis for part of the recycling process?
d. carbon and oxygen
b. water and oxygen
c. water and nitrogen
a. carbon and nitrogen
180
Liver cells of an alligator have 32 chromosomes. How many chromosomes are in its sperm cell?
a. 64
b. 16
d. 8
c. 32
181
Prokaryotic,unicellular,reproduces using binary fission and conjugation,and moves w/1 flagella?
b. Fungi
a. Eubacteria
c. Animalia
d. Protista
182
Individual III1 marries a normal female, has children; what % of daughters carriers of disease?
c. 25%
b. 75%
d. 100%
a. 50%
183
Which is the BEST procedure for removing a hot test tube from a hot water bath?
d. Use a wet towel or cloth.
c. When tube appears cool, pick up using tips of fingers
a. Use a test tube clamp around the body of the tube.
b. Use tongs to pick it up by the rim.
184
Which of the following is NOT considered a heterotroph?
b. producers
a. carnivores
c. decomposers
d. herbivores
185
Stomach cells package and secrete pepsin in which of the following organelles?
a. vacuoles
c. mitochondria
b. Golgi apparatus
d. ribosomes
186
Why would an animal cell burst if it is surrrounded by fresh water?
a. because solutes will move into the cell
d. because water will move into the cell
b. because solutes will move out of the cell
c. because water will move out of the cell
187
Which moves water between the earth’s surface and the atmosphere and back again?
c. the condensation cycle
b. the water cycle
d. precipitation
a. transpiration
188
If the frog population decreased, why might the fish population also decrease?
d. The fish would have more insects to eat.
c. Less oxygen would be available in the water.
b. More insects would compete for resources.
a. The water snakes would eat more fish.
189
Which of the following conclusions is supported by the data?
d. Ground level ozone is constant during the week.
c. Ground level ozone rises steadily throughout the week.
b. ozone healthiest in work week but unhealthy on weekends
a. ozone increases in work week; decreases on weekend
190
Which of the following is a function of the cytoskeleton?
c. helps a cell keep its shape
a. transports proteins and lipids
b. surrounds the cell
d. contains DNA
191
Al measures the temp of an aquarium with a thermometer. What would affect accuracy of readings?
a. Al adds aerator to aquarium to increase dissolved oxygen
b.Al reads thermometer at angle while is below line of sight
c. Al reads thermometer at different times during the day
d.Uses different thermometer with 10ths of degree increments
192
Genes contain instructions for assembling which of the following?
a. carbohydrates
c. cells
b. chromosomes
d. proteins
193
Which of the following increses variation in a gene pool?
b. extinction
a. natural selection
c. mutations
d. genetic drift
194
How could a predator increase the population size of another species in its habitat?
c. by eating certain prey species
b. by living as a parasite of other species
a. by killing the competitors of the other species
d. by competing with a species it does not eat
195
Which of the following accurately describes the biome represented by this climatogram?
d. cold and dry
a. cold and wet
c. hot and dry
b. hot and wet
196
Which of the following animals would be LEAST likely to survive ina climate with cold winters?
d. a mammal tha stores a lot of body fat
c. a bird with thick downy feathers
a. an amphibian that lives in shallow water
b. a mammal that hibernates
197
Plants in garden-healthy. Jon plants in pot in sun and waters. Only 2 survive. Limiting factor?
c. sunlight
b. disease
d. space
a. water
198
Both ADP and ATP contains which of these sugars?
a. ribose
d. adenine
c. guanine
b. glucose
199
What number of valence electrons creates a stable arrangement for MOST atoms?
d. 8
a. 5
c. 7
b. 6
200
Which process copies a molecule of DNA?
c. replication
b. transcription
d. binary fission
a. translation
201
Why is color blindness more common in males than in females?
The allele 4 color blindness is located on the Y chromosome.
Allele 4 color blindness- recessive, located on X chromosome
Color blind males have 2 copies of allele 4 color blindness.
Fathers pass the allele 4 color blindness to sons only.
202
A lake community notices a decrease in water clarity. Which is the MOST likely cause?
c. increased tree growth around the lake
a.increased sedimentation due to home construction near lake
b. global warning due to increased levels of carbon dioxide
d. biological magnification of heavy metals in small fish
203
You use a microscope to look at cells; all of them have a nucleus. They are what kind of cells?
d. prokaryotic cells
a. animal cells
c. eukaryotic cells
b. plant cells
204
What is a monosaccharide?
b. glycerol
a. fatty acid
d. carbohydrate
c. nucleic acid
205
2 parent r carriers of cystic fibrosis.Have 4 children;how many will probably have the disease?
d. all
a. 3 out of 4
b. 2 out of 4
c. 1 out of 4
206
Which of the following animals would LEAST likely live in a tundra biome?
d. rattlesnake
a. penguin
c. mouse
b. bear
207
During which stage of the Monarch’s life does it spend the MOST time, on average?
b. chysalis stage
c. caterpillar stage
d. butterfly stage
a. egg stage
208
Which of the following statements about enzymes is NOT true?
a. enzymes-catalysts;reduce energy needed 4 reactions
d. enzymes are made of nucleic acids
b. enzymes work best at a certain pH
c. enzymes work on only specific substrates
209
Which is true of a normal human male?
b. He has only one sex chromosome.
d. He has two X chromosomes.
c. He has one X chromosomes and one Y chromosome.
a. He has two Y chromosomes.
210
A lake receives runoff containing a lot of fertilizer. Which may occur immediately after?
d. recycling of organic compounds
a. algal bloom
b. algae death and decomposer overpopulation
c. drop in carbon dioxide levels
211
Both benefit from result. Type of relationship?
c. mutualism
b. competition
a. commensalism
d. predation
212
Coded instructions from the nucleus are used by what organelle to make proteins?
b. Golgi apparatus
a. endoplasmic reticulum
c. vacuole
d. ribosome
213
The diagram above shows which process?
b. endocytosis
c. osmosis
d. active transport
a. diffusion
214
Which of the following is an example of competition in ecosystem?
d. Zebra mussels attach to the bottom of a boat.
b. A rabbit eats grass and plants.
a. Kudzu grows over other plants; cuts off sunlight.
c. A flea gets a blood meal from a rabbit.
215
In a multicellular organism, what is the organization of cells from simplest to most complex?
a. cell, tissue, organ, organ system
d. tissue, organ, organ system
b. cell, tissue, organ system
c. organ system, organ, tissue, cell
216
An equal sharing of electrons results in what kind of bond?
b. hydrogen
d. metallic
c. covalent
a. ionic
217
During which of the following processes is messenger RNA formed?
c. translation
d. transcription
b. binary fission
a. mutation
218
Carbohydrates do NOT contain which of the following types of bonds?
d. C-H
a. C-C
b. C-O
c. C-N
219
What is the main purpose of cellular respiration in cells?
c. to produce lactic acid in animals or alcohol in plants
b. to form glucose and store energy in its chemical bonds
d. to create carbon dioxide and water
a. to obtain energy to use in other processes
220
Scientists discover a gene's function. Learn that gene affects hormones. Best way to confirm?
a.Confirm that the experiment was based on a good hypothesis
c.Have others review experiment to confirm correct procedure
b. Have the experiment published in a peer review journal.
d.Have others repeat experiment and obtain same results

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