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Studies on Turbidity, pH and Microbial Presence in Water
1)What is turbidity?
  
2)The pH of pure water is ______at 25°C.
  
3)We can measure the turbidity using __________.
  
4)What is the definition of pH?
  
5)Why are green plants seen only in photic zones?
  
6)If the water body is more turbid then, _______________.
  
7)Which is true of Buffer solutions?
  
8)Which of the following describes a non-productive water body?
  
9)How can the pH value of a water sample be determined?
  
10)The following figure illustrates the method of taking a Secchi’s disk reading. Find out the depth of photic zone using Secchi’s disc reading.