Presentation on theme: "EOCT PREP 1) In an ecosystem, some plants may convert atmospheric nitrogen gas into ammonia through a process called __________ ____________. A)denitrification."— Presentation transcript:
1EOCT PREP1) In an ecosystem, some plants may convert atmospheric nitrogen gas into ammonia through a process called __________ ____________.A)denitrificationB)nitrogenous mutationC)transformationD)nitrogen fixation
5EOCT PREP3) You have been collecting data to determine the average monthly temperature for a particular year. You have 30 samples recorded in degrees Celsius each month. You want to show temperature trends over the entire year. What would be the best way to represent your data to illustrate the average temperature for each month?A)In a descriptive paragraphB)In a data tableC)On a calendarD)on a bar graph
7EOCT PREP4) The organism in the photograph shares many characteristics with humans. Which of the following is a common or shared feature?A)respiration through the skinB)respiration through lungsC)complete digestive system with a crop and gizzardD)closed circulatory system
8D. Closed Circulatory System ANSWERD. Closed Circulatory System
9EOCT PREP5) _________ _________ are responsible for the transport of substances down a concentration gradient during facilitated diffusion.A)Carrier proteinsB)Ionic pumpsC)Ion channelsD)Protein receptors
11EOCT PREP6) The graph shows the changes in population of black bears in rural Michigan in a single year. Complete depletion of food supply for black bears most likely occured during the month of:A)May.B)July.C)September.D)April.
31EOCT PREP16) ____________________ helps explain why there are a large number of marsupial mammal species in Australia and South America, continents that were once connected.A)Ozone productionB)The fifth mass extinctionC)The first mass extinctionD)Continental drift
37EOCT PREP19) In the Punnett shown, two plants that are alike genetically were crossed. The predicted ratios of offspring can be found in the four boxes. How many of the offspring in the boxes will look like the parents?A)oneB)fourC)threeD)two
39EOCT PREP20) The portion of the membrane system in eukaryotic cells that is responsible for the making lipids and breaking down toxic substances is the _______ _______.A)rough ERB)smooth ERC)ribosomal ERD)semi-permeable ER
59EOCT PREP30) Which of the following lab safety procedures is incorrect?A)Follow instructions as given by teacher.B)Always carry a textbook into the lab for checking accuracy.C)Know the fire escape route from your lab.D)No horseplay in the lab.
60B) Always carry a textbook into the lab for checking accuracy. ANSWERB) Always carry a textbook into the lab for checking accuracy.
61EOCT PREP31) In the diagram, the top square and circle represent the _____________ generation.A)F1B)PC)F2D)G
63EOCT PREP32) The products of photosynthesis that begin cellular respiration are _______________________.A)organic compounds and oxygen.B)carbon dioxide and water.C)NADPH and hydrogen.D)AARP and water.
64A)organic compounds and oxygen. ANSWERA)organic compounds and oxygen.ReactantsProducts
65EOCT PREP33) The organelle identified in the picture as #10 helps the cell maintain homeostasis in what way? This organelle is the smaller white circularly shaped organelle found in the top middle of the image.A)houses the cell's DNA for reproductionB)aids the cell in movementC)produces energy for cellular processesD)storage of needed components or cellular waste
66D)storage of needed components or cellular waste ANSWERD)storage of needed components or cellular waste
67EOCT PREP34) The substitution, addition, or removal of a single nucleotide in DNA is called a(n) ____________ mutation.A)exorcismB)referenceC)pointD)normal
69EOCT PREP35) In humans, cystic fibrosis is a recessive genetic disorder that results in mucus clogging major organs. If both parents are genetically heterozygous for cystic fibrosis, then what are their chances of having a child with the disease?A)25%B)50%C)75%D)100%
73EOCT PREP37) In rabbits, the allele B for black fur is dominant over the allele b for brown fur. Calculate the probability of a homozygous dominant (BB) offspring resulting from a cross between two parents with the genotype Bb.A)1/100B)7/10C)1/4D)1/2
75EOCT PREP38) Bears and coyotes both consume large plant-eating mammals such as deer. When the deer are in short supply, bears and coyotes may fight over the prey. This type of biological interaction is called _________________.A)ruminationB)commensalismC)mutualismD)competition
77EOCT PREP39) Which of the following procedures is most important when handling acids and bases correctly in the lab?A)Wear safety goggles and a lab apron at all times for protectionB)Be sure to take books and notes into the lab station to know what you are doingC)Be sure to work at eye level with the experiments to better observeD)Wear gloves and a respirator.
78A) Wear safety goggles and a lab apron at all times for protection ANSWERA) Wear safety goggles and a lab apron at all times for protection
79EOCT PREP40) In the replication process of this molecule, polymerase proofreads the molecule so that few mistakes or ___________ occur.A)oppositionsB)interferonsC)vexationsD)mutations
81EOCT PREP41) __________ ___________ is a technology that allows strands of DNA to be transferred from the cells of one species into the cells of another species.A)Gene splicingB)Gene cultivationC)Hormone growthD)Binary fission
87EOCT PREP44) Viruses are not considered to be living things, but they depend upon living cells for energy, reproduction, and protection at the expense of the cells that they invade. The type of relationship described above could best be classified as one of ______________________.A)mutualismB)parasitismC)commensalismD)resignation
91EOCT PREP46) The finches that Darwin studied in the Galapagos islands have evolved with different types of beaks: Drilling, cracking, tearing and fishing. This is an example of:A)protective resemblenceB)adaptive radiationC)warning colorationD)predation
101EOCT PREP51) If a population grows larger than its environmental carrying capacity, then:A)birth rate may rise significantly.B)death rate may rise.C)death rate may fall significantly.D)immigration rate may increase.