Daily Current Affairs Quiz: February 12, 2026

Daily Prelims Quiz 12th February 2026
Q1.

Why do subtropical deserts occur mainly on western continental margins?

  • A. Cold ocean currents suppress convection
  • B. Mountains block trade winds
  • C. Low Coriolis force dominates
  • D. High river sediment deposition
Q2.

Why are deltas absent in some major rivers despite high discharge?

  • A. High evaporation
  • B. Strong tidal action
  • C. Low rainfall
  • D. Narrow floodplains
Q3.

Why does upwelling increase marine biological productivity?

  • A. Raises sea surface temperature
  • B. Increases salinity
  • C. Brings nutrient-rich deep water upward
  • D. Weakens trade winds
Q4.

Which condition favors formation of laterite soil?

  • A. Low rainfall and frost
  • B. High evaporation only
  • C. Frequent volcanic ash fall
  • D. High temperature with heavy rainfall
Q5.

Which geomorphic process primarily forms river terraces?

  • A. Lateral erosion
  • B. Volcanic uplift
  • C. Alternating phases of deposition and downcutting
  • D. Wind abrasion