Hydrosphere

The horizontal distribution of temperature of ocean water is largely affected by 

1. Depth of water in the ocean 

2. Ocean current 

3. Prevailing winds 

4. Latitudes 

Which of the following is correct? 

(a) 1, 2 and 3 (b) 1, 2 and 4 (c) 2, 3 and 4 (d) 1, 2, 3 and 4

The direction of ocean currents is reversed with season in 

(a) the Indian Ocean (b) the Pacific Ocean (c) the Atlantic Ocean (d) no area on earth

Which among the following statements about the North Atlantic Drift is/are correct? 

1. It keeps the west coast of Northern Europe ice free. 

2. It is responsible for the warm air mass which interacts with the cold air mass from the Polar region and causes rainfall in Western Europe. 

3. It meets the Labrador current near Vancouver Island and causes dense fog. 

Select the correct answer using the code given below 

(a) 1, 2 and 3 (b) 1 and 2 (c) 2 only (d) 1 and 3

The exceptionally high and low tides that occur at the time of the new moon or the full moon when the Sun, the Moon and the Earth are approximately aligned is called 

(a) Spring (b) Fall (c) Neap (d) Diurnal

The Red Sea is an example of a 

(a) folded structure (b) faulted structure (c) lava structure (d) residual structure

The term ‘Apogee’ refers to which one of the following? 

(a) A point in the orbit of the moon at which it is farthest from the earth. 

(b) A point in the orbit of the moon at which it is nearest to the earth. 

(c) Portion of surface of the moon opposite to the earth. 

(d) Portion of surface of the moon facing the earth.

Dolphin Challenger Ridge is located in 

(a) Atlantic Ocean (b) Pacific Ocean (c) Arctic Ocean (d) Indian Ocean

Consider the following statements: 

1. Tides are of great help in navigation and fishing.

 2. High tide enables big ships to enter or leave the harbour safely. 

3. Tide prevents siltation in the harbours. 

4. Kandla and Diamond Harbour are tidal ports. 

Which of these statements are correct? 

(a) 1 and 4 (b) 2, 3 and 4 (c) 1, 2 and 3 (d) 1, 2, 3 and 4