Ocean — 8 World Geography PYQs with Answers | UKPSC PYQ Hub

Question 1

Which one of the following seas has highest salinity?

Accepted Answer

Red Sea. The sea with the highest salinity among the given options is the Red Sea. (cid:1) Red Sea had very high salinity due to its high evaporation rates and low inflow of freshwater. (cid:1) ∼36‰ 41‰. Its salinity ranges is to

Question 2

Which among the following sea has most salty water?

Accepted Answer

Dead Sea. Dead sea in Israel has salinity of 340 grams per litre of water. Swimmers can float in it because the increased salt content makes it dense. Geography of the World

Question 3

Which of the following oceanic current does not flow in north Atlantic ocean?

Accepted Answer

Banguela. Bangueli oceanic current does not flow in north Atlantic ocean. Rest of the currents given in the option flows through North Atlantic Ocean.

Question 4

Which of the following salt is found in abundant quantity in seas?

Accepted Answer

Sodium Chloride. Sodium Chloride is found in abundant quantity in seas. Rocks on land are the major source of salts dissolved in seawater. Another source of salts in the ocean is hydrothermal fluids, which come from vents in the seafloor.

Question 5

Which one among the following is not Cold Current?

Accepted Answer

Norwegian Current. Among the given options, Norwegian Current is not Cold Current. The wedge-shaped Norwegian Current also known as the Norwegian Coastal Current flows northward along the West Coast of Norway. Rest of the currents given in the option is Cold Current. California Current flows through North Pacific Ocean, Benguela Current flows through South Atlantic Ocean. And Oyashio Current flows through North Pacific Ocean.

Question 6

The largest part of our hydrosphere is

Accepted Answer

Pacific ocean. Pacific ocean is the largest part of our hydrosphere. The Pacific Ocean is the largest and deepest of the world ocean basins. Covering approximately 63 million square miles and containing more than half of the free water on earth, the Pacific is by far the largest of the world's ocean basins.

Question 7

Which one of the following Oceanic currents is not associated with the Pacific Ocean?

Accepted Answer

Canaries. Canaries oceanic current is not associated with the Pacific Ocean. As it is a cold ocean current flowing in the North Atlantic Ocean. Rest oceanic currents are associated with Pacific Ocean.

Question 8

Out of the following oceans which one is the deepest?

Accepted Answer

Pacific Ocean. The Pacific Ocean is the deepest ocean. It contains the Challenger Island, which is located in the western Pacific Ocean. Its average depth is 36,200 feet.