NCERT Class 11 Geography — Chapter 1: Water (Oceans)

What is the primary reason for the absence or weakening of the thermocline layer in mid-latitudes during the winter season?

Consider the following statements regarding the Hudson Canyon: 1. It is a prominent mid-oceanic ridge. 2. It is located in the Atlantic Ocean. 3. It extends from the mouth of a large river. Which of the statements given above is/are correct?

With reference to the hydrological cycle, consider the following statements: 1. It involves the continuous exchange of water between the atmosphere, land surface, subsurface, and organisms. 2. About 30 % of the planetary water is found in the oceans. 3. The renewable water on the earth remains constant over time while the demand is decreasing. Which of the statements given above is/are correct?

Consider the following statements regarding the relief of the ocean floor: 1. The oceans merge so naturally into one another that it is hard to demarcate them. 2. A major portion of the ocean floor is found at depths less than 1 km. 3. The ocean floors are rugged and contain mountain ranges similar to those on continents. Which of the statements given above is/are correct?

Which one of the following sequences correctly arranges the major divisions of the ocean floor from the coast towards the deep sea?