51. What is the characteristic shape of a glacial valley? A. U-shape B. V-shape C. Rectangular D. Circular Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A Solution: A U-shaped valley is formed by glacial erosion as glaciers widen and deepen river valleys.It has steep sides and a flat floor.
52. What is a drumlin? A. A crescent-shaped dune B. A glacially deposited hill C. A volcanic cone D. A limestone sinkhole Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: A drumlin is an elongated hill formed under glacial ice by the reshaping of till.Its tapered end points in the direction of glacial movement.
53. What is the term for steep, pyramid-like peaks formed by glacial erosion from several sides? A. Arete B. Drumlin C. Cirque D. Horn Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D Solution: A horn is a sharp peak formed when multiple glaciers erode a mountain from different directions.Example: Matterhorn in the Alps.
54. Which term refers to the top of a water-saturated zone in soil or rock? A. Groundwater divide B. Water table C. Base level D. Artesian level Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: The water table is the upper level of the saturated zone of groundwater.It fluctuates with rainfall, seasons, and extraction.
55. What causes a braided river pattern to develop? A. High slope gradient B. Constant flow velocity C. Heavy sediment load and variable discharge D. Wind deposition Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C Solution: Braided rivers form where sediment load is high and water discharge fluctuates, leading to multiple shallow channels divided by bars.
56. What kind of landform is a cirque? A. Wind-eroded hill B. Bowl-shaped glacial erosion feature C. Volcanic crater D. River bend Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: A cirque is an amphitheater-like depression carved by glacial erosion at the head of a glacier.It's where a glacier originates.
57. What is the main difference between an alluvial fan and a delta? A. Fan is underwater, delta is not B. Delta forms in the sea, fan on land C. Fan forms from glaciers, delta from rivers D. No difference Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: Alluvial fans form on land at the base of mountains, while deltas form where rivers enter standing water like oceans or lakes.
58. Which of the following terms refers to the process of wind lifting and removing fine particles? A. Deflation B. Saltation C. Suspension D. Abrasion Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A Solution: Deflation is the process where wind removes loose fine particles from the surface, lowering the land.It contributes to desert pavement formation.
59. What geomorphological feature is formed due to lateral erosion of rivers? A. Waterfall B. Meander C. Canyon D. Floodplain Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: A meander is formed when lateral erosion by a river creates bends in the channel, common in mature river stages.
60. What is the term for a steep slope or cliff formed by river downcutting in resistant rock? A. Bluff B. Oxbow C. Terrace D. Gorge Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D Solution: A gorge is a deep, narrow valley with steep rocky walls, formed by a river cutting through resistant rock.It's often associated with waterfalls.