Multiple choice

Match List I (Classification of Valleys) with List II (Characteristics of Valleys) and select the correct answer using the code given below the lists: A. Consequent Valley 1. Draining in a direction opposite to that of the original consequent valleys B. Subsequent Valley 2. Showing no apparent adjustment to structural control C. Insequent Valley 3. Course shifted from the original consequent ones to more readily erosible rocks D. Obsequent Valley 4. Course determined by the slope of the land 5. Valleys draining in the direction opposite to rock dip

  1. A 4 B 3 C 2 D 1

  2. A 2 B 1 C 4 D 3

  3. A 4 B 3 C 1 D 2

  4. A 2 B 4 C 5 D 3
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Consequent valleys follow the initial land slope as streams establish their courses (A-4). Subsequent valleys shift from original consequent paths to exploit more readily erosible rock units (B-3). Insequent valleys show random drainage patterns with no apparent adjustment to geological structure (C-2). Obsequent valleys drain in directions opposite to the original consequent streams (D-1).

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