Sea Floor Spreading Multiple Choice Questions (MCQ) PDF Download

MCQ : When the poles of Earth replace their poles the change is referred to as

1. magnetic reversal
2. electric reversal
3. thermal reversal
4. static

MCQ 1: As the sea floor widen out and get separated from mid-ocean ridge, it carries a record of

1. magnetic reversal
2. electric reversal
3. thermal reversal
4. static

MCQ 2: The process by which magma rises forming new oceanic lithosphere layers is called

1. sea floor spreading
2. sea flooring
3. sea bed spreading
4. sea REVERSAL

MCQ 3: The place where sea-floor spreading occurs is termed as

1. mid-ocean ridges
2. ditches
3. ocean basin
4. crates

MCQ 4: AT mid-ocean ridges the molten rock consists of

1. iron
2. calcium
3. phosphorus
4. tin