Oceanography - Geography Objective Questions and Answers | Geography gkseries mcqs | page6

Answer: Option [B]

The correct answer is Brazil current. The Brazil Current is a warm water current that flows south along the Brazilian south coast to the mouth of the Río de la Plata.

Answer: Option [B]

The correct answer is volcanoes and earthquakes. The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes. The majority of Earth's volcanoes and earthquakes take place along the Ring of Fire.

Answer: Option [A]

The correct answer is Ocean. The ocean is the most stable ecosystem: It is stable due to its natural liquid nature (saline), dissolved oxygen, light, and temperature.

Answer: Option [D]

Tsunamis are the waves generated by earthquakes beneath the sea. A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins.

Answer: Option [A]

The coral reefs are the marine counterparts of Tropical rain forests. Coral reefs are often called the "tropical rainforests of the sea" for their astounding richness of life. Due to their structural complexity, corals are one of the most productive ecosystems on Earth, providing important services to mankind including fisheries, coastal protection, medicines, recreation, and tourism.