World Geography – Section 3

11. The original landmass, pangola split into

A. Laurissa in the north and Gondwanaland in the south
B. Laurissa in the south and Gondwanaland in the north
C. Laurissa in the east and Gondwanaland in the west
D. Laurissa in the west and Gondwanaland in the east

Correct Answer: A. Laurissa in the north and Gondwanaland in the south

12. The R-horizon of soil horizon consists of

A. Unweathered bedrock
B. Weathered parent material
C. Plant litter at various levels of decomposition
D. None of the above

Correct Answer: A. Unweathered bedrock

13. The propagation of radio signals is greatly influenced by

A. Troposphere
B. Ionosphere
C. Exosphere
D. Thermosphere

Correct Answer: B. Ionosphere

14. The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called

A. Horns
B. Cirques
C. Aretes
D. Medial moraines

Correct Answer: A. Horns

15. The process that involves the eroded material being dissolved and carried along in water as individual ions is called

A. Solution
B. Suspension
C. Saltation
D. Traction

Correct Answer: A. Solution

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