Previous year MCQs

Misc UPPSC 2024 GS-I
Question

Which one of the following is correctly matched?

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Pycnocline- Sea water salinity

Detailed Solution:

The correct answer is “Pycnocline- Sea water salinity”.
Term Meaning
Ecocline A gradual change in species composition across an environmental gradient.
Pycnocline A layer in the ocean where water density changes rapidly, often due to variations in salinity.
Thermocline A layer in the ocean where temperature changes rapidly with depth (not air temperature).
Halocline A layer in the ocean where salinity changes rapidly with depth (not sea water temperature).

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