1.

What is the advantage of having more than one pigment molecule in a photocentre ?

Answer»

(i) Light reaction depends upon the amount of solar energy trapped by the pigment molecule. 

(ii) Energy trapped by a single pigment molecule is not enough to start the initial reactions which may occur in light. 

(iii) A number of pigment molecules capture light over a large surface area, and later on pass it on to photocentre. 

(iv) The presence of a number of pigment molecules would provide protection to the chlorophyll molecule against photo-oxidation.



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