Selected MCQ

Current Question
Which ecosystem has least rainfall?
  • A. Forest
  • B. Desert
  • C. Grassland
  • D. Tundra
Correct Answer: B
Explanation:
Deserts receive minimal precipitation.
Related Question 1
Which instrument measures rainfall?
  • A. Hygrometer
  • B. Rain gauge
  • C. Barometer
  • D. Anemometer
Correct Answer: B
Explanation:
Rain gauge measures precipitation.
Related Question 2
Which metal is least reactive?
  • A. Sodium
  • B. Potassium
  • C. Gold
  • D. Calcium
Correct Answer: C
Explanation:
Gold is inert.
Related Question 3
Which biome has highest rainfall?
  • A. Desert
  • B. Tundra
  • C. Rainforest
  • D. Grassland
Correct Answer: C
Explanation:
Rainforests receive heavy rainfall.
Related Question 4
Which biome has seasonal rainfall?
  • A. Desert
  • B. Savanna
  • C. Tundra
  • D. Polar
Correct Answer: B
Explanation:
Savanna has wet and dry seasons.
Related Question 5
Which mutation is least likely to alter protein sequence?
  • A. Missense mutation
  • B. Nonsense mutation
  • C. Silent mutation
  • D. Frameshift mutation
Correct Answer: C
Explanation:
Due to genetic code degeneracy, a silent change can preserve the same amino acid.