NY Released Regents Exam - Living Environment (Aug 2018)
Quiz by NYSED Living Environment
High School
Living Environment (1996)
New York State Learning Standards
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52 questions
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- Q1Which human activity most directly causes a significant increase in the amount of carbon dioxide in the atmosphere?growing corn for fooddriving cars long distancesnot using products containing plasticsplanting large numbers of trees60s4.1
- Q2An immune response is primarily due to the body's white blood cells recognizinga hormone imbalanceknown antibioticsabiotic organismsforeign antigens60s4.5
- Q3In an effort to reduce the number of deaths due to malaria, scientists have successfully introduced a gene into mosquitoes. The gene makes the mosquitoes unable to support the development of the parasite that causes malaria. The technique used to produce this new variety of mosquito is most likelyselective breedingchromatographyelectrophoresis of genesgenetic engineering60s4.2
- Q4The organic compounds that scientists use to cut, copy, and move segments of DNA arestarchesenzymescarbohydrateshormones60s4.2
- Q5Which statement most accurately predicts the result of interfering with populations in the web?Removing all the mountain lions from the food web will benefi t the ecosystem.Removing the cricket and rabbit populations would cause the number of trees to decrease.Removing the cricket population will have little effect on the balance of the food web.Removing deer from the food web will affect the rabbit and grass populations.60s4.1
- Q6A factor not shown in the diagram that provides energy for living organisms iswateroxygencarbon dioxidethe Sun60s4.5
- Q7Scientists have found a gene that makes a protein called PKG that controls certain behaviors in many types of ants. The soldier ant will help collect food when it has a low level of PKG. When it has a high level of PKG, the soldier ant will protect and defend its colony. Soldier ants that are given PKG are more likely to ignore food sources and attack intruders. Which concPKG protein is synthesized only by the soldier antsThe behavior of soldier ants is controlled in part by the PKG protein.Eating too much protein makes some organisms very aggressive.Genes control which type of amino acids a cell can make60s4.2
- Q8Genetic researchers have discovered a number of different gene mutations that have led to the development of cancer. These mutations affect how frequently a cell reproduces. Which process would be directly influenced by these mutations?division of sperm and egg cellsmitotic cell divisiondifferentiation of cells in an embryomeiotic cell division60s4.2
- Q9Lobsters are crustaceans related to crayfish, crabs, and shrimp. Most lobsters are a reddishbrown color, but on rare occasions, they can be orange, blue, or even multicolored. These color differences can be caused bythe instability of the ecosystemgenetic variationsoverpopulation and excessive resourcesdifferent numbers of offspring60s4.2
- Q10Which two factors could lead to the evolution of a species over time?overproduction of offspring and no variationstruggle for survival and fossilizationchanges in the genes of body cells and extinctionchanges in the genes of sex cells and survival of the fittest60s4.3
- Q11As human red blood cells mature, they lose their nuclei. As a result of this loss, which process would be impossible for mature red blood cells to carry out?excretionreproductiontransportrespiration60s4.4
- Q12To clone a mammal, a cloned embryo is often put into an adult female of the same species to continue internal development. The structure in which the embryo will develop is theeggplacentaovaryuterus60s4.4
- Q13Nuclear power plants, which produce electrical energy, use large quantities of water for cooling. Often, small fish, larvae, and fi sh eggs are sucked in along with the cooling water and destroyed. This example illustrates howdirect harvesting increases the natural fish populationremoval of these organisms has no effect on an ecosystemenergy is generated without producing wastesindustrialization can have positive and negative effects60s4.7
- Q14Acid rain is a major problem in the Adirondack Mountains. Evidence that acid rain negatively affected the Adirondack ecosystem is thatthere has been a decrease in the variety of fish found in Adirondack lakesthe number of heterotrophic organisms in Adirondack lakes has increasedthe amount of carbon dioxide in the air over the Adirondack Mountains has drastically decreased in recent yearsthis rain has increased the amount of water in Adirondack lakes60s4.7
- Q15Which system in a multicellular organism functions most like the cytoplasm in a singlecelled organism?immunereproductivecirculatorynervous60s4.1
