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Question

Limiting factor for growth of aquatic organisms is

  1. CO2
  2. O2
  3. Mineral elements
  4. All of the above

A
CO2
B
Mineral elements
C
O2
D
All of the above
Solution
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A limiting factor is a factor in which if we make a change, then it directly affects the output or growth in a system. The main limiting factors in an aquatic environment are temperature, sunlight, Oxygen content, nutrient availability and salinity. So the correct answer is ' O2'.

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