App Logo

No.1 PSC Learning App

1M+ Downloads
The mixing of freshwater and saltwater takes place in which ecosystem?

AWetlands

BEstuaries

CCoral reefs

DLentic lakes

Answer:

B. Estuaries

Read Explanation:

  • Estuaries occur at river mouths where freshwater mixes with seawater, creating highly productive ecosystems.


Related Questions:

Identify the factors contributing to the high oxygen content in the surface layer of water.

  1. High rates of respiration by aquatic organisms.
  2. Maximum production of oxygen through photosynthesis.
  3. Limited contact with the atmosphere, reducing oxygen diffusion.
  4. Presence of decomposers actively consuming oxygen.

    Select the statement that is NOT a cause of deforestation.

    1. Increased demand for wood for making furniture and plywood.
    2. Clearing forests for hydro-electric projects and road construction.
    3. Overgrazing leading to degradation of deforested lands.
    4. Reforestation efforts to increase forest cover.
      സൂക്ഷ്മജീവികളുടെ ധാതുവൽക്കരണ പ്രക്രിയ എന്തിന്റെ പ്രകാശനത്തിന് സഹായിക്കുന്നു ?

      Which of the following statements accurately describes the Littoral Zone of a lake?

      1. It is the deepest part of the lake.
      2. It is characterized by shallow water where light reaches the bottom.
      3. Rooted plants cannot grow in this region.
      4. It is located furthest from the shore.
        നമ്മുടെ ആവാസവ്യവസ്ഥയിൽ ഊർജപ്രവാഹം നടക്കുന്നതെങ്ങനെ ?