hydrosphere & oceanography section 4 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16 [NDA 2007-II]

Which of the following seas/gulfs are connected by the Suez Canal?

a) Persian Gulf and the Arabian Sea

b) The Mediterranean Sea and the Gulf of Oman

c) The Mediterranean Sea and the Red Sea

d) Gulf of Oman and the Red Sea

Question : 17 [PSC (Pre) 2019]

Which of the following islands of the Pacific Ocean belongs to Melanesia groups of islands.

a) Marshall island

b) Society island

c) Soloman island

d) Gilbert island

Question : 18 [BPSC (Pre) 2011]

Main source of Salinity of the Sea is

a) Ash ejected from the Volcano

b) Wind

c) Rivers

d) Land

Question : 19 [UPPCS (Pre) 2000]

Which one of the following salts contributes maximum to the salinity of sea water?

a) Sodium chloride

b) Magnesium sulphate

c) Calcium sulphate

d) Magnesium chloride

Question : 20 [SSC CGL Pre 2005]

The deepest surface depression on the earth is

a) Bentley Subglacial

b) Tonga-Kermadec Trench

c) Kurile Trench

d) Mariana Trench