Selected MCQ

Current Question
Which process forms soil?
  • A. Weathering
  • B. Fusion
  • C. Respiration
  • D. Photosynthesis
Correct Answer: A
Explanation:
Weathering breaks rocks.
Related Question 1
Which process most directly forms soil horizons over long timescales?
  • A. Instantaneous melting
  • B. Weathering combined with organic accumulation and leaching
  • C. Oceanic spreading
  • D. Lunar tidal forcing
Correct Answer: B
Explanation:
Soil profiles develop from parent material alteration plus biological and hydrologic processes.
Related Question 2
Which process forms embryo?
  • A. Pollination
  • B. Fertilization
  • C. Germination
  • D. Photosynthesis
Correct Answer: B
Explanation:
Fertilization produces zygote.
Related Question 3
Which process forms valleys?
  • A. Deposition
  • B. Erosion
  • C. Fusion
  • D. Respiration
Correct Answer: B
Explanation:
Erosion shapes valleys.
Related Question 4
Which process forms rain?
  • A. Evaporation
  • B. Condensation
  • C. Precipitation
  • D. Sublimation
Correct Answer: C
Explanation:
Rain is precipitation.
Related Question 5
Which process forms clouds?
  • A. Evaporation
  • B. Condensation
  • C. Sublimation
  • D. Freezing
Correct Answer: B
Explanation:
Water vapor condenses.