CDS Geography Hydrosphere — Oceans, Rivers and Water Cycle Medium Questions

Consider the following statements regarding ocean currents :

1. Difference in water density is the main cause for the formation of ocean currents.
2. Density of water depends on temperature, salinity and pressure.
3. As a rule, ocean waters move from areas of higher density to areas of lower density as a current.
   Which of the statements given above is/are correct ?

Consider the following statements about the Sargasso Sea :

1. It is the only sea without a land boundary.
2. The Sargasso Sea records the lowest salinity in the Atlantic Ocean.
   Which of the statements given above is/are correct ?

Match List-I with List-II and select the answer using the codes given below the Lists :
List-I (Type of Tide)
A. Spring Tides
B. Neap Tides
C. Apogean Tides
D. Equinoctial Spring Tides

List-II (Characteristic)

1. Low tides caused when the Sun, Earth and Moon are in the position of quadrature
2. Occur when the Moon is the farthest from the Earth
3. Tides recurring at an interval of six months
4. Very high tides caused when the Sun, Moon and Earth are almost in the same line

Which one of the following rivers is also known by the name of "Dihang" in Northeast India ?

Amsterdam-St. Paul Plateau is located in which one of the following oceanic regions ?

Which one of the following pairs of City and Lake is not correctly matched ?

Which of the statements about the dams on the Chenab river is/are correct ?

(1) Salal dam, Aallal dam and Baglihar dams are on the Chenab river.

(2) Baglihar dam has a greater height than Salal dam.

(3) Salal dam is operated by Jammu and Kashmir Power Development Corporation and Baglihar dam is operated by NHPC Limited.

Select the answer using the code given below :