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- 1. Multiple ChoiceWhich of the following is an example of a prokaryotic cell?amoebavirusliver cellbacteria
- 2. Multiple ChoiceCrossing over occurs during which phase of Meiosis?Prophase IProphase IIMetaphase IMetaphase II
- 3. Multiple ChoiceSource of oxygen during photosynthesisairglucosecarbon dioxidewater
- 4. Multiple ChoiceUltimate source of energy on earthrotation of the earthmoonsunnone of the above
- 5. Multiple ChoiceDiffusion of waterdiffusionendocytosisosmosisexocytosis
- 6. Multiple ChoiceThe point at which two chromatids are attachedchloroplastcentromerecentriolechromosome
- 7. Multiple ChoiceThe process by which plants capture light energy and make their own foodhomeostasisevolutionphotosynthesisdevelopment
- 8. Multiple ChoiceOnly eukaryotic cells hasDNAmembrane bound organellescytoplasmribosomes
- 9. Multiple ChoiceBiology is the study of __________lifemineralsweatherenergy
- 10. Multiple ChoiceThe organelle that is associated with photosynthesisvesiclevacuolemitochondriachloroplast
- 11. Multiple ChoiceChemical energy stored in food molecules is released through _______________fermentationphotosynthesiscell respirationnone of the above
- 12. Multiple ChoiceChlorophyll is green because green light is _____________absorbedreflectedabsorbed and reflectednone of the above
- 13. Multiple ChoiceUnlike passive transport, active transportrequires energymoves substances down their concentration gradientdoes not involve carrier proteinsall of the above
- 14. Multiple ChoiceTo function most efficiently, a cell must besmalllarge
- 15. Multiple ChoiceAll living organisms are composed ofcellulosecellsdiatomsmitochondria
- 16. Multiple ChoiceDiffusion is the movement of a substance fromhigh to low concetrationlow to high concentration
- 17. Multiple ChoiceWhich of the following is not formed during the Krebs Cycle?carbon dioxideFADH2NADHNADPH
- 18. Multiple ChoiceWhich of the following does not require energy?endocytosisexocytosisdiffusion
- 19. Multiple Choice
The major atmospheric by-product of photosynthesis is
nitrogen
carbon dioxide
water
oxygen
- 20. Multiple Choice
All of the following are found in both plant and animal cells except
a cell wall
a cell membrane
mitochondria
endoplasmic reticulum
- 21. Multiple Choice
A cell that requires lots of energy might contain a large number of
chromosomes
vacuoles
mitochondria
lysosomes
- 22. Multiple Choice
The packaging and distribution part of the cell is the
nucleus
golgi body
cytoplasm
endoplasmic reticulum
- 23. Multiple Choice
The part of the molecule for which deoxyribonucleic acid is named is the
phosphate
sugar
nitrogen base
none of the above
- 24. Multiple Choice
The name of the process that takes place when organic compounds are broken down in the absence of oxygen
respiration
oxidation
fermentation
all of the above
- 25. Multiple Choice
Sugar molecules cross the cell membrane by
gated channels
active transport
osmosis
facilitated diffusion
- 26. Multiple Choice
A nucleotide consists of
a sugar, protein, and base
a sugar, an amino acid, and base
a sugar, phosphate group, and base
a starch, phosphate group, and base
- 27. Multiple Choice
A cell will swell when it is placed in a(an)
hypotonic solution
hypertonic solution
isotonic solution
none of the above
- 28. Multiple Choice
In a cell proteins are made on the
mitochondria
ribosomes
nucleus
cell membrane
- 29. Multiple Choice
Molecules of DNA are composed of long chains of
amino acids
fatty acids
monosaccharides
nucleotides
- 30. Multiple Choice
Cells produce ATP most efficiently in the presence of
water
carbon dioxide
oxygen
glucose
- 31. Multiple Choice
The cell membrane
encloses the contents of the cell
allows materials to enter and leave the cell
is selectively permeable
all of the above
- 32. Multiple Choice
The chromosomes in your body
exist in 23 pairs in all cells except the gametes
each contain thousands of genes
form right before cells divide
all of the above
- 33. Multiple Choice
An organism that needs to eat other organisms to obtain energy is known as a:AutotrophProducerConsumerMutualist - 34. Multiple ChoiceWhat does a food web represent?All connections of energy flow throughout all organisms in a habitat.The specific ways that mutualism is carried out.A single pathway or energy flow between organisms.How carnivores get their food.
- 35. Multiple ChoiceWhat does a food web represent?All connections of energy flow throughout all organisms in a habitat.The specific ways that mutualism is carried out.A single pathway or energy flow between organisms.How carnivores get their food.
- 36. Multiple Choicerelationship in which two species live closely togetherresourcemutualismsuccessionsymbiosis
- 37. Multiple ChoiceThe rabbit in this food web would be considered a:DecomposerProducerSecondary ConsumerPrimary Consumer
- 38. Multiple ChoiceWhere an organism liveshabitatnicheheterotroghbiosphere
- 39. Multiple ChoiceWhat is the term for each step in the transfer of energy and matter within a biological community?energy pathfood webtrophic levelfood pyramid
- 40. Multiple ChoiceThe amount of energy that usually transfers from one trophic level to the next...10%20%80%50%
- 41. Multiple ChoiceThe nonliving aspects of an ecosystem.Abiotic factorsBiotic factors
- 42. Multiple ChoiceThe living portions of the ecosystem.Biotic factorsAbiotic factors
- 43. Multiple ChoiceThe study of how living things interact with one another and with their environment.BiologyLithologyEcologyFarmacology
- 44. Multiple ChoiceCarrying Capacity isthe capacity of what one person can carry per dayhow many animals you have in your daily bag limit at the end of the yearwildebeest at a watering hole with zebrasthe maximum number of individuals that the environment can support
- 45. Multiple ChoiceWhich of the following is an EXAMPLE of a limiting factor?Waterthe color of the skyMigrationThick fur
- 46. Multiple ChoiceCattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.mutualismcommensalismcompetitionparasitism
- 47. Multiple ChoiceA tapeworm and a cat have this type of relationship.mutualismparasitismcommensalismcompetition
- 48. Multiple ChoiceA relationship between two organisms in which both organisms benefit.MutualismCompetitionParasitsmCommensalism
- 49. Multiple Choice
A scientist designed an experiment to test the effect of water on plant growth. He grew three different plants in a greenhouse and watered them daily for six weeks. Plant 1 received 100 mL of water, Plant 2 received 200 mL of water, and Plant 3 received 500 mL of water. What was the independent variable in this experiment?
Growth rate
Amount of water
Length of the experiment
Height of the plants
- 50. Multiple Choice
The variable that is measured in an experiment is the ________________ variable.
dependent
independent
controlled
experimental
- 51. Multiple Choice
Two macromolecules are shown. Which of the following best describes these macromolecules?
Molecule X and Molecule Y are both carbohydrates
Molecule X is a nucleic acid, and Molecule Y is a carbohydrate.
Molecule X and Molecule Y are both nucleic acids.
Molecule X is a carbohydrate, and Molecule Y is a nucleic acid.
- 52. Multiple Choice
Humans who do not produce lactase are unable to break down the sugar lactose and are said to be lactose intolerant. Which term best describes lactase?
enzyme
fatty acid
lipid
starch
- 53. Multiple Choice
What can be concluded from the following graph?
The reactants have less energy than the products.
The enzyme is consumed during the course of the reaction.
The enzyme lowers the energy of activation for the reaction.
The amount of free energy produced in the reaction increases with an enzyme.
- 54. Multiple Choice
Which of the following is NOT a type of eukaryotic cell?
plant
animal
fungal
bacterial
- 55. Multiple Choice
During the light-independent reaction (Calvin Cycle) of photosynthesis, ______________ molecules are used to make ______________.
oxygen; water
water; oxygen
carbon dioxide; glucose
glucose; carbon dioxide
- 56. Multiple Choice
Which stage of cellular respiration produces the most ATP?
Glycolysis
Fermentation
Krebs Cycle
Electron Transport Chain
- 57. Multiple Choice
In photosynthesis, plants use carbon dioxide, water, and light to produce _________________.
glucose and oxygen
energy
carbon monoxide
chlorophyll
- 58. Multiple Choice
In the equation for photosynthesis (6CO2 + 6H2O → C6H12O6 + 6O2), what are the reactants?
just carbon dioxide
just glucose
carbon dioxide and water
glucose and oxygen
- 59. Multiple Choice
What would happen to a marine protozoan if it was removed from its normal salt water habitat and
placed into a freshwater pool? (hint: think about what happened to our egg when placed in pure water)
loss of water through osmosis
loss of water through active transport
gain of water through osmosis
gain of water through active transport
- 60. Multiple ChoiceBuilding blocks of proteins areSimple sugarsAmino acidsMonosaccharidesPolysaccharides
- 61. Multiple ChoiceOne of the main difference between prokaryotic and eukaryotic cells is that -eukaryotic cells have a more advanced cellular organizationeukaryotic cells have a smaller cell nucleusprokaryotic cells do not have a plasma membraneprokaryotic cells are always much larger
- 62. Multiple ChoiceIf a toxic chemical destroys the ribosomes, which cellular activity would be affected first?Energy storageMovementProtein productionDNA synthesis
- 63. Multiple ChoiceSugar, starch and cellulose are examples ofLipidsCarbohydratesProteinsNucleic Acids
- 64. Multiple ChoiceFats, oils and waxes are examples ofNucleic AcidsCarbohydratesLipidsProteins
- 65. Multiple Choice
What happens to an enzyme when it denatures?
The activation energy of the reaction is doubled.
The activation energy of the reaction is lowered.
It's optimal conditions for temperature of the enzyme are doubled.
The shape of the enzyme molecule is changed.
- 66. Multiple Choice
Organisms living in a bog environment must be able to tolerate nitrogen-poor acidic conditions. Bog plants such as the Venus flytrap and sundew are able to obtain their nitrogen by attacking and consuming insects. These plants produce chemicals that break down the insects into usable compounds.
These chemicals present in the bog plants that break down the insects mentioned in the reading passage are most likely...
hormones
lipids
enzymes
carbohydrates
- 67. Multiple ChoiceWhat is the purpose of an enzyme?give permission for the reactionraise activation energyspeed up reactionscontrol how many reactions occur
- 68. Multiple ChoiceWhich of the following conclusions can be drawn from this graph?The optimum pH of the enzyme is 6.6.The optimum pH of the enzyme is 5.8The enzyme’s activity increases as pH increases 5.0 to 9.0The enzyme’s activity is greater around pH of 8.0 .
- 69. Multiple Choice
What is the carrying capacity of the graph?
1000
8000
800
600
- 70. Multiple Choice
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
- 71. Multiple ChoiceFermentation involvesaerobic respirationanaerobic respiration
- 72. Multiple ChoiceWhat is a disadvantage of fermentation as a process?It produces too much ATPIt only produces 2 ATPIt occurs in the absence of oxygenIt is only for quick bursts of energy
- 73. Multiple ChoiceWhat cells in the body may undergo lactic acid fermentation during exercise?Muscle cellsFat cellsLiver cellsSkin cells
- 74. Multiple ChoiceThe process carried out by yeast that causes bread to rise isalcoholic fermentationlactic acid fermentationcellular respirationyeast mitosis
- 75. Multiple ChoiceEnergy is released from ATP whena phosphate group is addedadenine bonds to riboseATP is exposed to sunlighta phosphate group is removed
- 76. Multiple Choice
What colors are most reflected by chlorophyll?
red and green
green and blue
blue and violet
green
- 77. Multiple Choice
Light absorbing and reflecting chemicals are called...
chloroplasts
mitochondria
tanins
pigments
- 78. Multiple ChoiceWhere does glycolysis take place in cells?CytoplasmMitochondrionEndoplasmic ReticulumRibosomes
- 79. Multiple ChoiceGlycolysis results in the net gain of:2 ATP4 ATP4 NADH2 Acetyl CoA
- 80. Multiple Choice
Which of these is broken down into pyruvic acid?
glucose
oxygen
water
- 81. Multiple ChoiceAfter the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained inNADH and FADH2Carbon DioxideAcetyl-CoACitrate
- 82. Multiple ChoiceThe number of ATP molecules produced out of Krebs Cycle is:2340
- 83. Multiple ChoiceWhat is a reactant for the electron transport chain?NADPHATPOxygenWater
- 84. Multiple ChoiceWhat is a product of the Electron Transport Chain?CO2O2C6H1206H2O
- 85. Multiple ChoiceWhere does the Calvin Cycle occur?thylakoidstromalumenmitochondria
- 86. Multiple Choice
Light dependent stage takes place in the _______________ membrane (inside the chloroplast).
thylakoid
cell
stroma
chlorophyll
- 87. Multiple Choice
In what organelle of plant cells does photosynthesis occur?
mitochondria
centrioles
chloroplast
ribosomes
- 88. Multiple Choice
Which of the following structure is where cellular respiration (Kreb's Cycle and Electron Transport Chain) occurs in the cell?
nucleus
cytoplasm
mitochondria
vacuoles
- 89. Multiple ChoiceThe cell below is in a _________ solution.HypotonicHypertonicIsotonic
- 90. Multiple ChoiceLow to HighPassive TransportActive Transport
- 91. Multiple ChoiceWhat are 3 types of active transport?Riding a bike, Running through the mountains, walking on the beachOsmosis, Diffusion, Facilitated DiffusionSodium/potassium Pump, Endocytosis, ExocytosisThrowing a ball, Playing tennis, driving a car
- 92. Multiple Choice
Living things are made up of units called
DNA
Cells
Homeostasis
Seeds
- 93. Multiple Choice
Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.
Asexual
Sexual
Division
Addition
- 94. Multiple Choice
Maintaining a stable internal
environment is called
homeostasis
equilibrium
balance
evenness
- 95. Multiple Choice
What type of succession is shown going from figure A to figure B?
primary succession
ecological succession
secondary succession
intermediate species
- 96. Multiple Choice
What is the role of the pioneer species in Primary Succession?
To kill any remaining organisms from before the disturbance
To break down rock and rebuild soil
To provide food for large animals
To put fresh oxygen into the air
- 97. Multiple Choice
What is the correct order in this pond succession? (YOUNGEST to OLDEST)
A, B, C, D
D, C, B, A
B, A, D, C
C, D, A, B
- 98. Multiple Choice
The forest in panel #8 is a...
pioneer species
climax community
tertiary community
intermediate species
- 99. Multiple ChoiceThe major function of ribosomes is toMake fatsSynthesize proteinDigest proteinMake sugars
- 100. Multiple ChoiceThe ____________ packages and processes material before it exports out of the cell.VacuolesmitochondriaGolgi apparatusnucleus
- 101. Multiple ChoiceWhich of the following is an enzyme filled organelle that breaks down waste in the cell?lysosomeschloroplastmitochondriaGolgi apparatus
- 102. Multiple ChoiceName the phase:AnaphaseTelophaseMetaphaseProphase
- 103. Multiple ChoiceWhat is the next phase of mitosis?ProphaseMetaphaseAnaphaseTelophase
- 104. Multiple ChoiceWhat phase of mitosis is shown in the picture?ProphaseAnaphaseTelophaseMetaphase
- 105. Multiple ChoiceWhich of these lists presents the stages of the cell cycle in the correct order?interphase, mitosis, cytokinesiscytokinesis, mitosis, interphasemitosis, interphase, cytokinesisinterphase, cytokinesis, mitosis
- 106. Multiple ChoiceThe idea that no two species within an ecosystem can occupy the exact same nicheniche overlapniche differentiationcompetitive exclusionniche decay
- Answer choicesTagsAnswer choicesTags