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- 1. Multiple ChoiceWhat would happen to the ecosystem if the biomass of primary consumers was higher than the biomass of producers?The primary consumers will eat all of the producers...no more organisms to convert light energy to chemical energy (glucose)The primary consumers will become the producers and perform photosynthesisThe producers will become primary consumersThis is DEFINITELY not the right answer.
- 2. Multiple ChoiceAbiotic factors are parts of the environment that are...NonlivingLivingPopulationsVegetation
- 3. Multiple ChoiceBecause fermentation takes place in the absence of oxygen, it is said to beaerobicanaerobiccyclicoxygen-rich
- 4. Multiple ChoiceThe process carried out by yeast that causes bread to rise isalcoholic fermentationlactic acid fermentationcellular respirationyeast mitosis
- 5. Multiple ChoiceLiving things do all of the following except:Respond to stimulusGrow and developmaintain homeostasisThey do not change
- 6. Multiple ChoiceWhich is true of prokaryotic and eukaryotic cells?Prokaryotic cells are larger than eukaryotic cells.Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.Eukaryotic cells are simpler than prokaryotic cells.
- 7. Multiple ChoiceWhich of the following would be found in both eukaryotic AND prokaryotic cells?chloroplastcytoplasmnucleusendoplasmic reticulum
- 8. Multiple Choice
Type of cell shown?BacterialProkaryoticEukaryoticRed blood - 9. Multiple Choice"Endosymbiosis" meansLiving togetherLiving insideEntering togetherJoining together
- 10. Multiple ChoiceThe theory of Endosymbiosis explainsThe origin of eukaryotesHow species developHow bacteria liveWhy cells rely on one another
- 11. Multiple Choice____________ & _________________ are organelles that definitely arose from endosymbiosis.Rough ER & Smooth ERMitochondria & FlagellumChloroplast & MitochondriaChloroplast and Golgi apparatus
- 12. Multiple ChoiceHow many chromosomes do humans have?462110
- 13. Multiple ChoiceWhich of the following best describes a DNA molecule?double helixcontains ribosemade of amino acidscontains Uracil
- 14. Multiple ChoiceWhich of the following units are repeatedly joined together to form a strand of DNA?amino acidsnucleotidesfatty acidspolysaccharides
- 15. Multiple ChoiceIn a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount ofcytosineguaninethymineuracil
- 16. Multiple ChoiceWhy is DNA important?it is very small and very complicatedit's in everythingit serves as the blueprint for traits of all living thingsbecause we eat it every day for energy
- 17. Multiple ChoiceWhat are the 4 nitrogen bases?adenine, thymine, cytoplasm, and guanineadenine, thymine cytosine, and guanineadenine, thymine, cytosine, and gylceroladenine, thymine, cytosine, and glucose
- 18. Multiple ChoiceWhat is the relationship between a protein, the cell, and DNA?DNA is produced by protein which is produced in the cellProtein is composed of DNA which is produced in the cellDNA controls the production of protein in the cellA cell is composed of DNA and protein
- 19. Multiple ChoiceWhere does Translation take place?RNAribosomenucleuschromosome
- 20. Multiple ChoiceThe process of making RNA (i.e. mRNA) from DNA is calledReplicationTranscriptionTranslationProtein synthesis
- 21. Multiple ChoiceWhich shows the correct complementary base pairing for DNA?C-A, T-GA-G, C-TC-G, U-AT-A, G-C
- 22. Multiple ChoiceA segment of DNA that codes for a protein is called a...EnzymeMutationGeneComplimentary
- 23. Multiple ChoiceThe division of the nucleus is known as:SynthesisMitosisG1G2
- 24. Multiple ChoiceHumans have ________ pairs of chromosomes.212346None of the above
- 25. Multiple ChoiceEukaryotic cells store their genetic information(DNA) in __________.ChromosomesCentromereskaryotypesProteins
- 26. Multiple ChoiceThe individual strands on duplicated chromosomes are called_____________CentromeresdaughtersChromatidsKaryotypes
- 27. Multiple ChoiceThe cell spends most of it's life in ________________.mitosiscytokinesisInterphaseNone of the above
- 28. Multiple ChoiceIn the G1 stage of the cell cycle, the cellGrowsMaturesCarries on normal activitiesAll of the above
- 29. Multiple ChoiceIn the S stage of interphase_______________the cell growsthe nucleus dividesthe cell membrane dividesthe DNA is replicated
- 30. Multiple ChoiceIn the G2 stage of cell division, ______________ are made.organellesstructures for cell divisionproteinsall of the above
- 31. Multiple ChoiceA human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells after mitosis.12234692
- 32. Multiple ChoiceWhich is true about active transport?It requires energyit does not require energyIt moves substances down the concentration gradientit moves material from high to low concentration
- 33. Multiple ChoiceThis cellular structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.vacuolenucleuscell membranecell wall
- 34. Multiple ChoiceA cell in an isotonic solution willswellshrinkstay the same sizeimpossible to tell
- 35. Multiple ChoiceA saltwater fish is accidentally placed in a freshwater aquarium in a few short hours it sadly died. Which explains why this occurred?The cells of the fish body were dehydrated by the quick loss of water.The cells of the fish quickly absorbed massive amounts of water and it ended up killing the fish.The fish hated the new decor in the freshwater tank.It was just its time.
- 36. Multiple ChoiceWhich term means "water-loving"?CohesionNonpolarHydrophilicHydrophobic
- 37. Multiple ChoiceWhich term means "water-fearing"?AdhesionPolarHydrophilicHydrophobic
- 38. Multiple ChoiceThe cell membrane is made mostly ofphospholipid monolayer and proteinsphospholipid bilayer and proteinsproteins and carbohydrates bilayertriglycerides and carbohydrates
- 39. Multiple ChoiceWhat type of transport is this?facilitated diffusionactive transportdiffusionosmosis
- 40. Multiple Choicewhat travel through the electron transport chain?cellselectronsbloodthylokoid
- 41. Multiple ChoiceATP is formed from photosynthesis and cellular respirationtruefalse
- 42. Multiple Choicewhat is ATP?newly used word for ADPpart of a membraneenergy carrier
- 43. Multiple ChoiceWhich animal is the top predator?hawklizardsnakegrass
- 44. Multiple ChoiceIn the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?80%90%10%20%
- 45. Multiple ChoiceWhich of the following is a herbivore?cricketfroghawkshrew
- 46. Multiple ChoiceWhat would happen if a decomposer is removed from the ecosystem?NothingThe ecosystem would eventually dieOnly the producers would be affectedOnly the consumers would be affected
- 47. Multiple ChoiceThis picture represents which type of cellular transport?passive transportendocytosisexocytosisosmosis
- 48. Multiple ChoiceThe cell below is in a _________ solution.HypotonicHypertonicIsotonic
- 49. Multiple ChoiceThe cell below is in a _____________ solution.HypertonicHypotonicIsotonic
- 50. Multiple ChoiceA cell in a hypotonic solution willswellshrinkstay the same sizeimpossible to tell
- 51. Multiple ChoiceDuring ___________ conditions inside our body are kept stable (the same)homeopathicHomo sapianhomeostasishomologous
- 52. Multiple ChoiceAn example of homeostasis includes maintaining :oxygen levelbody temperatureblood sugar levelall of these levels
- 53. Multiple ChoiceWhat does reproduce mean?They growThey are living thingsOrganisms make other organisms
- 54. Multiple ChoiceA pair of chromosomes that consists of XX is a __________________.MaleFemale
- 55. Multiple ChoiceLactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get...GlucoseSunlightOxygenWater
- 56. Multiple ChoiceIn mitosis, the two resulting cells aredifferent from the starting cell and identical to each other.different from the starting cell and different from each other.identical to the starting cell and different from each other.identical to the starting cell and identical to each other.
- 57. Multiple ChoiceInterphaseAnaphaseTelophaseProphase
- 58. Multiple ChoiceWhat part of our cells holds our DNA?cytoplasmcell membranenucleusribosomes
- 59. Multiple ChoiceWhat is the term for a three nucleotide sequence that codes for an amino acid? For example: AUGNitrogen baseCodonAminePhosphate group
- 60. Multiple ChoiceTransfer RNA (tRNA) is important because it __________.Carries amino acids to the ribosomeCarries ribosomes to the ERCarries glucose to mitochondriaCarries mRNA out of the nucleus
- 61. Multiple ChoiceThe fluid like substance found inside the chloroplast is calledCytoplasmStromaThykloidsCell Wall
- 62. Multiple ChoiceWhich organelle does photosynthesis take place in?MitochondrionChlorplastCytoplasmNucleus
- 63. Multiple ChoiceWhat are the reactants of photosynthesisWater, light, and carbon dioxidesugar, light and waterWater, light, carbon dioxidesugar and oxygen
- 64. Multiple ChoiceWhat are the products of photosynthesis?Sunlight and wateroxygen and sugarEnergy and Carbon dioxideHeat
- 65. Multiple ChoiceIf the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?30152060
- 66. Multiple ChoiceThe enzyme that unzips the DNA to prepare for replicationhelicasereplicasepolymerasesynthase
- 67. Multiple ChoiceThe bonds that hold the two strands of DNA together come from...the attraction of phosphate groupsstrong bonds between bases and sugarscarbon to carbon bonds in the sugarweak hydrogen bonds between the bases
- 68. Multiple ChoiceThe DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?ribose sugar and baseribose sugar and phosphate groupnitrogen base and deoxyribose sugardeoxyribose sugar and phosphate group
- 69. Multiple ChoiceWhen does replication occur?G0 phaseG1 phaseG2 phaseS phase
- 70. Multiple ChoiceWhat mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-ASubstitutionDeletionInsertionFrameshift - 71. Multiple ChoiceATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of aInsertion- FrameshiftDeletion- SubstitutionDeletion -FrameshiftAll of the above - 72. Multiple ChoiceIdentify the SUBSTITUTION mutation from the following:
ATG CCA AATATG TCA AATATG CCT AAA TATC CA ATATG CCA AAT - 73. Multiple ChoiceIdentify the DELETION mutation form the following:
ATG CCA AATATG TCA AATATG CCT AAA TATC CA ATATG CCA AAT - 74. Multiple ChoiceIdentify the ADDITION mutation form the following:
ATG CCA AATATG TCA AATATG CCT AAA TATC CA ATATG CCA AAT - 75. Multiple ChoiceWhat is the role of decomposers in an Ecosystem?They recycle matter and nutrients to form fossil fuelsThey are burn and release as carbon dioxideDecomposers are responsible to turn oxygen into carbon dioxideThey recycle energy back to the sun
- 76. Multiple ChoiceWhat is happening at 1?respiration: releasing CO2decomposing CO2 in the soilphotosynthesis: absorbing CO2turning CO2 from the atmosphere into organic molecules
- 77. Multiple ChoiceGreenhouse gases....make plants greenincrease the temperature of the earthproduce oxygendecrease the temperature of the earth
- 78. Multiple ChoiceWhat is the water cycle?the 3 forms of waterthe movement of water on, above, or below the surface of the Earthwhen water meltswhen clouds form
- 79. Multiple ChoiceHow many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA42612 - 80. Multiple ChoiceWhat is the correct amino acid sequence for the mRNA code AUGCCAGUAUGAMet-Pro-Ala-ValMet-Pro-ValTyr-Gly-HisTyr-Gly-Arg-His
- 81. Multiple ChoiceWhich of the following statements is not part of the cell theory?Cells are the basic unit of structure and function in all living things.All cells are produced from other cells.Only animal cells are composed of cells.All living things are composed of cells.
- 82. Multiple ChoiceWhat is one way in which all living things on Earth are alike?All living things have hair.All living things are made of cells and come from other cells.The cells of all living things have chloroplast.All living things can move.
- 83. Multiple ChoiceWhich statement reflects one of the major components of the cell theory?All living things are multi-cellular.Organs are the basic unit of structure and function for all living things.All cells come from previously existing cells.Every organism has a reproductive system to ensure survival of the species.
- 84. Multiple ChoiceWhat structures distinguish a plant cell from an animal cell?Plant cells have cell walls and ribosomes.Plant cells have cell walls and chloroplasts.Plant cells have chloroplasts and ribosomes.Plant cells have chloroplasts and mitochondria.
- 85. Multiple ChoiceWhen cells are damaged, new cells are created by cell division. How does the cell theory support this fact?It states that all cells have a nucleus which divides.It states that all living things are made up of one or more cells.It states that cells come from previously existing cells.It states that the basic units of structure and function are cells.
- 86. Multiple ChoiceThe basic unit of life is called a (n)atomcompoundcellenergy
- 87. Multiple ChoiceThe main source of energy for all life comes from ____.the Earththe moonthe sunthe food we eat/make
- 88. Multiple ChoiceWhat pigment absorbs sunlight for photosynthesis?chloroplastthylakoidgranachlorophyll
- 89. Multiple ChoiceWhich of the following is the correct equation for PHOTOSYNTHESIS?6CO2 + 6H2O --> 6O2 + C6H12O66CO2 + C6H12O6 + 6H2O --> O26O2 + 6H2O --> 6CO2 + C6H12O6C6H12O6 + 6O2 ---> 6H2O + 6CO2
- 90. Multiple ChoiceHow can photosynthesis be related to cellular respiration?What's produced (made) by one is needed (the reactants) for the otherThey both produce the same productsThey both have the same reactants (need the same things)These 2 processes have nothing in common
- 91. Multiple ChoiceName the levels of organization in the human body in order from smallest to largest:Tissue, organ, organ systemOrgan system, tissue, organs, cellsCells, tissue, organs, organ systemCells , organs, tissue, organ system
- 92. Multiple ChoiceThe maintenance of an organism’s internal environment is called:compensatinghomeostasisbalancingroutine
- 93. Multiple ChoiceAll living things do which of the following?ChemosynthesisRespirationphotosynthesisall of the answers
- 94. Multiple ChoiceWhat is one of the reactants of cellular respiration?energyglucosecarbon dioxidewater
- 95. Multiple Choice______________ produces the most ATP.photosnthesisaerobic respirationanaerobic respirationglycolysis
- 96. Multiple ChoiceWhich RNA bases would pair with TACGAA in transcription?AUGCUUATGCTTGCATCCGCAUCC
- 97. Multiple ChoiceWhat is occurring in this picture?TranslationReplicationTranslocationTranscription
- 98. Multiple ChoiceOsmosis is the movement of _____ across a membrane.foodenergyoxygenwater
- 99. Multiple ChoiceWhat biome has the most rainfall per year?TundraTaigaTropical RainforestDeciduous Forest
- 100. Multiple ChoiceWhat type of cell is pictured?ProkaryoticEukaryoticPlantAnimal
- 101. Multiple ChoiceIdentify the Biome in the picture:tundratropical rainforestdesertgrassland
- 102. Multiple ChoiceThe transfer of energy from a lower trophic level to the next highest level is roughly1%10%100%1000%
- 103. Multiple ChoiceWhich of the following illustrates the correct ordering of trophic levels?decomposers-carnivores-autotrophs-herbivoresherbivores-autotrophs-carnivores-decomposersproducers-herbivores-carnivores-decomposerscarnivores-producers-omnivores
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