Practically, it is very difficult to control the
marine algal blooms (red tides) directly. Biological control of the algal blooms using predators like zooplankton, etc, is not considered as a good option. Why?

Question

Answer

c.  This is economically not viable due to the huge
cost involved in the culturing of these organisms

Answer

b.  This is practically not possible due to the turbulence
in the ocean that might disperse the organisms applied.

Answer

d.  This is environmentally not viable as these
organisms might multiply beyond control and might create problems

Answer

a.  This is practically not possible as these
organisms cannot multiply due to the non-availability of oxygen due to red
tides

Crowdly

Practically, it is very difficult to control the marine algal blooms (red tides)...

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