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Bio Multiple Choice Questions




Question;1. Which of the following is characteristic of an opportunistic population? (Points: 4) The individuals are small in size.The individuals have long life span.The individuals are large in size.The population exhibits logistic growth.The population size is close to the carrying capacity.;2. Replacement reproduction (each couple producing only two children) always leads to zero population growth. (Points: 4) True False;3. In a population of locusts, there are 5,000 individuals and the per capita rate of increase is 10% per month. How many locusts will there be after 3 months? (Points: 4) 5,5006,0006,0506,5006,655;4. The majority of humans live in ___________. (Points: 4) North AmericaSouth AmericaAfricaAsiaEurope;5. Which statement is true regarding the LDCs? (Points: 4) The death rate exceeds the birth rate.The birth rate and death rate are approximately equal.Diseases are expected to play no part in population changes over the next half-century.The major population change is expected to occur in Latin America.The birth rate exceeds the death rate.;6. The growth of equilibrium populations is regulated by density-dependent effects. (Points: 4) True False;7. Which of the following is the correct order of biological organization from largest to smallest? (Points: 4) community-->ecosystem-->biosphere-->population-->organismorganism-->population-->community-->ecosystem-->biosphereecosystem-->biosphere-->population-->community-->organismbiosphere-->population-->community-->ecosystem-->organismbiosphere-->ecosystem-->community-->population-->organism;8. The carrying capacity is constant within any defined geographical location. (Points: 4) True False;9. Which of the following is a requirement for secondary succession to occur? (Points: 4) a climax communityhuman activitysoilnatural disastersrain;10. Photoautotrophs using carbon dioxide from the atmosphere for their own needs is an example of a reservoir. (Points: 4) True False;11. The competitive exclusion principle states that (Points: 4) all species compete with all others in any defined community.survival of the fittest" is the prevailing phenomenon in any two species can occupy the same niche at the same time.all species limit the populations of all other species in a species evolve, they become more competitive.;12. The process whereby nitrogen gas from the atmosphere is converted into ammonium is called nitrogen fixation. (Points: 4) True False;13. Ocean water off the coast of Africa would release more carbon dioxide into the atmosphere than ocean water off the coast of Antarctica. (Points: 4) True False;14. Which of the following is an incorrect statement? (Points: 4) Decomposers are plants that live on dead organic matter.Autotrophs are called producers because they produce food.Herbivores eat algae or plant material.Detritus includes both living and non-living material.Chemoautotrophs obtain energy from inorganic compounds.;15. The process of evolutionary change in one species causing evolutionary change in another species is called parallelism. (Points: 4) True False;16. All of the organic nutrients made by producers are utilized by consumers. (Points: 4) True False;17. Approximately 25% of all fresh water is used to irrigate crops. (Points: 4) True False;18. The process by which industrial wastes become more concentrated in the bodies of organisms as they pass along a food chain is called (Points: 4) organismal-assisted enhancement.bioaccumulation.biological magnification.waste bioaugmentation.reverse biodegradation.;20. Today's society is a sustainable society. (Points: 4) True False;21. Which of the following is not considered a harmful farming practice? (Points: 4) heavy irrigationmonocultureexcessive crop rotationexcessive fuel consumptionheavy use of fertilizers;22. The majority of biological extinctions are due to (Points: 4) invasion by exotic species.habitat loss.overexploitation.fossil fuel emissions.pollution.;23. The percentage of the human population that lives within 100 km of a coastline is at least (Points: 4) 10 %40%60%80%;24. Desertification is often caused by (Points: 4) rising temperature.irrigation.logging.melting of the polar ice caps.overgrazing.;25. Hydropower is considered a renewable energy source. (Points: 4) True False


Paper#63178 | Written in 18-Jul-2015

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