Challenger App

No.1 PSC Learning App

1M+ Downloads

Which of the following are the major limiting factors for the productivity of aquatic ecosystems?

  1. Sunlight
  2. Temperature
  3. Wind speed
  4. Atmospheric pressure

    Aiii, iv

    Bi only

    CAll

    Di, ii

    Answer:

    D. i, ii

    Read Explanation:

    • Important limiting factors which exert controlling influence on productivity of aquatic ecosystems are Sunlight, Transparency, Temperature and Oxygen.


    Related Questions:

    Which of the following statements accurately describes the upper or mountain course of a river?

    1. The water flows slowly through a wide valley with stable banks.
    2. The river has significant erosive power, capable of moving large stones.
    3. Angular stones are smoothed into rounded pebbles by friction.
    4. The river primarily deposits silt and mud in this stage.
      What are the smaller streams that join a river along its course called?
      Coral reefs are found in which type of ecosystem?
      Semi-arid deserts are best described as:

      Which regions in India are known for a high concentration of medicinal plant species?

      1. The Eastern Himalayas, Western Ghats, and Andaman & Nicobar Islands are concentrated spots for medicinal plant species.
      2. Medicinal plant species are evenly distributed across all regions of India.
      3. The plains of North India have the highest concentration of medicinal plants.