Q1.Datum Line is ?
Ans:-A horizontal line to the sea level from where heights and depths are measured.
Q2.Where is Ninety East Ridge situated ?
Ans:-Indian Ocean
Q3.Turkey is Situated Between ?
Ans:-Black Sea and Mediterranean Sea
Q4.Sargasso is related to Which Ocean ?
Ans:-Northern Atlantic
Q5.Which Pair of countries are around Aral Sea ?
Ans:- Kazakhastan- Uzbekistan
Q6.Which factors is responsible for the change in the regular direction of the Ocean currents in the Indian ocean ?
Ans:-Indian Oceans has Monsoon Drift
Q7.Which brings warms ocean water to the African Coast ?
Ans:-Agulhas Current
Q8.Water of Which Sea is Saline?
Ans:-Dead Sea
Q9.Tides occur in oceans and seas due to which reasons ?
Ans:-Gravitational force of sun , Gravitational force of moon , Centrifugal force of earth.
Q10.The river duo ,which falls into the Black sea are ?
Ans:-Dnieper- Danube
Q11.Aleutian Oceanic Trench is located In Which ocean side ?
Ans:-North Pacific
Q12.Kermadec Oceanic Trench is located in which side ?
Ans:- South Pacific
Q13.Sunda Oceanic trench is located in which ocean?
Ans:-Indian Ocean
Q14.South Sandwich Oceanic Trench is located in which ocean Side?
Ans:-South Atlantic Ocean
Q15.Which is the deepest oceanic trench ?
Ans:-Mariana
Q16.Largest river of the world in term sof drainage ares is ?
Ans:-Amazon
Q17.Generally where are coral reefs found ?
Ans:- Between Tropic of Cancer and Tropic of Capricon
Q18.Great Barrier Reef is ?
Ans:-A coral reef near Australia
Q19.Dolphin Ridge belongs to which ocean ?
Ans:-North Atlantic
Q20.Which is the deepest point of Indian Ocean?
Ans:-Java Trench
Q21.Name Pacific Ocean Current ?
Ans:- Alaska Current , Kuroshio Current , California Current, Oyashio Current , East Australian Current , Peruvian Current etc.
Q22.Which are part of Atlantic Ocean ?
Ans:-Walvis Ridge , Challenger Rise , Cape Verde Basin
Q23.Name Some Warm Current ?
Ans:- Florida Current , Oyashio Current
Q24.Name some cold Current?
Ans:-Labrador Current , Canary Current
Q25.Humboldt Current flows towards ?
Ans:-Western Coast of South America