Hydrosphere MCQ Question and Answer | Geography MCQ Question

The Marine cliffs are formed mainly due to Ocean Currents. Moving water works as degradational agent (erosional). As oceanic currents move constantly in their definite path. They erode away rock against which they strike.

The main Hawaiian Islands are a group of inhabited islands situated in the northern Pacific Ocean.

Victoria Falls is one of the greatest attractions in Africa and one of the most spectacular waterfalls in the world, Victoria Falls is located on the Zambezi River, the fourth largest river in Africa, which is also defining the border between Zambia and Zimbabwe.

The Atlantic Ocean routes are busier than the Pacific Ocean routes because Atlantic Ocean is surrounded on both sides by industrialised nations. The Atlantic ocean is the second largest ocean basin only behind the pacific ocean.Its bounded by North and South Americas in the west and Africa and Europe in the east. It also boasts of being the busiest ocean in the world.

The Humboldt Current, also known as the Peru Current, is an ocean current that flows along the western coast of South America, affecting the water and air temperatures of coastal Chile and Peru.

These are the shallow sea zones where cold and warm water currents mix well making them great breeding grounds for fishes. At Grand Bank cold Labrador and warm Gulf Stream meets. Dogger Bank in North Sea is shallow sea water zone which receives ample sunlight preparing grounds depression on earth. Both are main fish catching zone.

The Kuroshio, one of the three largest of the world’s ocean currents, has long fascinated humans. The Japanese named it Kuroshio, or black current, for its dark, cobalt blue waters. Physical oceanographer Steven Jayne said, “The Kuroshio is the strongest current in the Pacific Ocean, and is also one of the most intense air-sea heat exchange regions on the globe. It influences climate as far as North America.”

Rivers in "Annular" pattern flow in like a ring. In this pattern streams take roughly circular or concentric path along weak rock belt resembling ring like pattern. Example - The Amarkantak Plateau.

Tunnels is not formed by running water. A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end.

Peru Current also know as Humboldt Current is a cold water current in Pacific Ocean, the rest of the current are of Atlantic Ocean.