Q1 E of 34 Page 82

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The oceanic ridge comes into existence due to


OPTION A is wrong because convergence of tectonic plates means coming together, oceanic ridges are formed when two tectonic plates moves apart, so convergence of tectonic plates does not form oceanic ridges.


OPTION B is wrong because

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1 C

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Ocean currents are produced due to _________


 1 D

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Consider the following statements.


1. Most of the fishing grounds occur in areas where the continental shelf is wide.


2. Fishing is well developed in warm tropical waters.


3. Mixing of warm and cold currents facilitates plant nutrients for fish.


4. Inland fishing became significant in India.


 1

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Which of the following indicates the correct sequence of the topography beneath the surface of the sea?


 1 G

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Which of the following is not correctly matched?