NCERT Class 11 Geography — Chapter 2: Movements of Ocean Water

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Which of the following best describes the general movement of warm ocean currents?

Official previous-year question

Verified 1 Aug 2026.

Options

AFrom the poles towards the equator along the bottom.
BVertically upwards from the deep ocean.
CFrom east to west along the equator only.
DFrom the equator towards the poles along the surface.

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Solution

The correct option is From the equator towards the poles along the surface..

Explanation

Ocean currents are continuous, directed movements of seawater generated by forces such as wind, the Coriolis effect, and density differences. They are primarily classified into warm and cold currents based on their temperature relative to the surrounding water. This classification determines their general direction of flow in the global ocean circulation system.

From the poles towards the equator along the bottom. is Incorrect: Currents moving from the poles towards the equator are generally cold currents. These currents transport cold water from high latitudes to low latitudes (e.g., the Labrador Current or the Benguela Current). Furthermore, while deep ocean currents (thermohaline circulation) do move along the bottom, warm currents are surface phenomena.
From the equator towards the poles along the surface. is Correct: Warm ocean currents originate near the equator, where solar heating is most intense. Because warm water is less dense than cold water, these currents flow along the surface towards higher latitudes (the poles). This movement is essential for redistributing heat from the tropics to the polar regions (e.g., the Gulf Stream, the Kuroshio Current).
From east to west along the equator only. is Incorrect: While the North and South Equatorial Currents flow from east to west driven by the Trade Winds, this describes only the equatorial leg of the gyres. The major warm currents (western boundary currents) deflect and flow poleward.
Vertically upwards from the deep ocean. is Incorrect: The vertical movement of water from the deep ocean to the surface is known as upwelling. Upwelling typically brings cold, nutrient-rich water to the surface, which is distinct from the horizontal movement of warm surface currents.

Key Takeaway: Warm ocean currents are surface flows that transport warm water from the equator towards the poles, playing a critical role in the Earth's heat budget.

Your note

More from Chapter 2: Movements of Ocean Water

Consider the following factors: 1. The shape of bays and estuaries has no influence on the magnitude of tides. 2. Presence of wide continental shelves. 3. Presence of mid-oceanic islands. Which of the above factors can influence the height or magnitude of tidal bulges?

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With reference to the movements of ocean water, consider the following statements: 1. Ocean currents represent the horizontal motion of water while tides represent the vertical motion. 2. In waves, the water moves ahead from one place to another along with the wave train. 3. The upwelling of cold water from the subsurface is a form of horizontal motion. Which of the statements given above is/are correct?

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Consider the following statements regarding the characteristics of ocean waves: 1. The largest waves are typically found in open oceans rather than enclosed seas. 2. Steep waves are generally old and originate from far away places. 3. Slow and steady waves usually originate from far away places. Which of the statements given above is/are correct?

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The maximum height of a wave is determined by which of the following factors? 1. The strength of the wind has no role in determining wave height. 2. The duration for which the wind blows. 3. The area over which the wind blows in a single direction. Select the correct answer using the code given below:

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What is the primary reason for the reduction in wave speed as ocean waves approach the coast?

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The correct option is From the equator towards the poles along the surface..

Explanation

From the poles towards the equator along the bottom. is Incorrect: Currents moving from the poles towards the equator are generally cold currents. These currents transport cold water from high latitudes to low latitudes (e.g., the Labrador Current or the Benguela Current). Furthermore, while deep ocean currents (thermohaline circulation) do move along the bottom, warm currents are surface phenomena.
From the equator towards the poles along the surface. is Correct: Warm ocean currents originate near the equator, where solar heating is most intense. Because warm water is less dense than cold water, these currents flow along the surface towards higher latitudes (the poles). This movement is essential for redistributing heat from the tropics to the polar regions (e.g., the Gulf Stream, the Kuroshio Current).
From east to west along the equator only. is Incorrect: While the North and South Equatorial Currents flow from east to west driven by the Trade Winds, this describes only the equatorial leg of the gyres. The major warm currents (western boundary currents) deflect and flow poleward.
Vertically upwards from the deep ocean. is Incorrect: The vertical movement of water from the deep ocean to the surface is known as upwelling. Upwelling typically brings cold, nutrient-rich water to the surface, which is distinct from the horizontal movement of warm surface currents.

Key Takeaway: Warm ocean currents are surface flows that transport warm water from the equator towards the poles, playing a critical role in the Earth's heat budget.