Education Exams (Educ Gen Sci) – Page 10

#180. Why do agricultural areas often experience the greatest amount of soil erosion?
A Because farms are typically located near streams
B Because farming usually involves plowing the soil to plant seeds
C Because they typically occur in areas of moderately steep slopes
D Because farmers usually remove trees from their fields
Answer: Because farming usually involves plowing the soil to plant seeds
#181. What can happen to global temperatures for several years after a volcanic eruption?
A Temperatures may increase
B Temperatures are not affected by volcanic eruption
C Temperatures can create more volcanoes
D Temperatures may decrease
Answer: Temperatures may decrease
#182. Which of the following correctly describe diastrophism?
A It refers to the boundaries between crustal plates.
B It refers to a discredit theory of continent formation.
C It refers to all the deformation of Earth's crust by bending or breaking in response to great pressures exerted either from below or from within the crust.
D It refers to all processes in which magma moves from Earth's surface or near the surface.
Answer: It refers to all the deformation of Earth's crust by bending or breaking in response to great pressures exerted either from below or from within the crust.
#183. What is the evaporation of water from plant surfaces especially through stomates?
A Condensation
B Perspiration
C Transpiration
D Respiration
Answer: Transpiration
#184. Which of the following processes form clouds?
A Evaporation
B Precipitation
C Transpiration
D Condensation
Answer: Condensation
#185. Which of the following is/are a natural factors that may disrupt the water cycle?
A Water pollution
B No rainfall
C Mismanaged domestic and industrial use of water
D Drying of ground water
Answer: Drying of ground water
#186. What is the mixture of fresh and saltwater typically formed where rivers meet the ocean?
A Saline water
B Brackish water
C Compound water
D Brine water
Answer: Brackish water
#187. Fresh water is an integral part of hydrologic cycle. How is it produced?
A Condensation
B Transpiration
C Evaporation
D Desalination
Answer: Desalination
#188. Which of the following is included in the term hydrosphere?
A All the liquid water on the Earth, minus the ice.
B All waters on the surface of the continents.
C All the water on the planet.
D All the fresh water on the planet.
Answer: All the water on the planet.
#189. What is the main difference between swamps and marshes?
A Seasonality of precipitation
B High water table versus low
C Salt water versus fresh water
D Trees versus grassland
Answer: Trees versus grassland
#190. A lake will become saline if ________.
A lake levels decrease
B precipitation exceeds evaporation
C the lake has no natural drainage outlet
D evaporation exceeds precipitation
Answer: the lake has no natural drainage outlet
#191. What is the other term for typhoon?
A Twister
B Low pressure area
C Hurricane
D Tornado
Answer: Hurricane
#192. What is the difference among typhoon, a hurricane, and a cyclone?
A Typhoons are found near the equator, hurricanes in the mid-latitudes and typhoons in the arctic and Antarctic.
B Hurricanes spin clockwise, cyclones spin counter clockwise, and typhoons are actually tidal waves.
C While typhoons are strong storms, cyclones are worse, and hurricane are the strongest of all.
D The storms are the same but the names are used in the Western Pacific, North America and Indian Ocean, respectively.
Answer: The storms are the same but the names are used in the Western Pacific, North America and Indian Ocean, respectively.