Selected MCQ

Current Question
Which process drives rock cycle?
  • A. Solar radiation
  • B. Internal heat
  • C. Gravity only
  • D. Wind only
Correct Answer: B
Explanation:
Earth’s internal heat drives geological processes.
Related Question 1
Which process breaks rocks?
  • A. Weathering
  • B. Fusion
  • C. Respiration
  • D. Photosynthesis
Correct Answer: A
Explanation:
Weathering disintegrates rocks.
Related Question 2
Which process forms igneous rocks?
  • A. Erosion
  • B. Cooling of magma
  • C. Compaction
  • D. Weathering
Correct Answer: B
Explanation:
Igneous rocks solidify from molten material.
Related Question 3
In the rock cycle, basalt can transform into amphibolite primarily by:
  • A. Weathering only
  • B. Metamorphism
  • C. Sublimation
  • D. Bioturbation
Correct Answer: B
Explanation:
Increased pressure and temperature alter basalt mineralogy into metamorphic assemblages.
Related Question 4
Which cycle involves runoff?
  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Correct Answer: C
Explanation:
Runoff is water cycle component.
Related Question 5
Which process produces zygote?
  • A. Pollination
  • B. Fertilization
  • C. Germination
  • D. Transpiration
Correct Answer: B
Explanation:
Fusion of gametes forms zygote.