Oceanography - Geography Objective Questions and Answers | Geography gkseries mcqs | page9

Answer: Option [A]

The correct answer is Gulf Stream. The Gulf Stream, together with its northern extension the North Atlantic Drift, is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and flows through the Straits of Florida and up the eastern coastline of the United States then veers east near 36 latitude (North Carolina) and moves toward Northwest Europe as the North Atlantic Current.

Answer: Option [C]

The correct answer is Atlantic Ocean. The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. Illustration of sargassum and associated marine life, including fish, sea turtles, birds, and marine mammals.

Answer: Option [B]

The correct answer is Tide. The rhythmic rise and fall of the ocean twice in a day is called a tide. Tides are caused by the strong gravitational pull exerted by the sun and the moon on the earth's surface.

Answer: Option [D]

Sea water is saltier than rain water because rivers wash away salts from earth and pour them into the sea.

Answer: Option [C]

Sea-waves are undulated movements of water on the surface of the sea sue to friction of wind on the surface. Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. These types of waves are found globally across the open ocean and along the coast.