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?

Correct Option The correct option is 1 only Explanation Ocean water is dynamic, exhibiting both horizontal and vertical movements. These movements are classified based on the nature of the motion and the forces generating them. The primary movements include waves, tides, and ocean currents. Statement-wise Analysis - Statement 1 is Correct: Ocean currents are the continuous flow of huge amounts of water in a definite direction, representing horizontal motion. Tides refer to the periodic rise and fall of the sea level due to the gravitational attraction of the sun and the moon, which constitutes vertical motion. - Statement 2 is Incorrect: In waves, the water does not move ahead from one place to another. The water particles move in small circular paths. It is the wave train (energy) that moves forward, while the water mass remains relatively stationary. - Statement 3 is Incorrect: Upwelling is the process where deep, cold water rises toward the surface to replace displacing surface water. This rising of water from the subsurface is a form of vertical motion, not horizontal motion. Key Takeaway Ocean currents involve the horizontal transport of water mass, whereas waves transport energy without significant water mass displacement. Tides and upwelling are primarily vertical movements of ocean water.

With reference to the movements of ocean… - NCERT Class 11 Geography MCQ

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

mcqmedium

With reference to the movements of ocean water, consider the following statements:

Ocean currents represent the horizontal motion of water while tides represent the vertical motion.
In waves, the water moves ahead from one place to another along with the wave train.
The upwelling of cold water from the subsurface is a form of horizontal motion.

Which of the statements given above is/are correct?

NCERT textbook question

From NCERT Fundamentals of Physical Geography · Page 1

Options

A1 and 3 only
B1, 2 and 3
C2 only
D1 only

Did you get this right?

Solution

Correct Option

The correct option is

1 only

Explanation

Ocean water is dynamic, exhibiting both horizontal and vertical movements. These movements are classified based on the nature of the motion and the forces generating them. The primary movements include waves, tides, and ocean currents.

Statement-wise Analysis

Statement 1 is Correct: Ocean currents are the continuous flow of huge amounts of water in a definite direction, representing horizontal motion. Tides refer to the periodic rise and fall of the sea level due to the gravitational attraction of the sun and the moon, which constitutes vertical motion.
Statement 2 is Incorrect: In waves, the water does not move ahead from one place to another. The water particles move in small circular paths. It is the wave train (energy) that moves forward, while the water mass remains relatively stationary.
Statement 3 is Incorrect: Upwelling is the process where deep, cold water rises toward the surface to replace displacing surface water. This rising of water from the subsurface is a form of vertical motion, not horizontal motion.

Key Takeaway

Ocean currents involve the horizontal transport of water mass, whereas waves transport energy without significant water mass displacement. Tides and upwelling are primarily vertical movements of ocean water.

Your note

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