Chlorophyll 'a' is the primary pigment for light reaction?

Chlorophyll contains

In the figure given below , the black line(upper) indicates action spectrum for photosynthesis and the lighter line (lower) indicates the absorption spectrum of chlorophyll 'a' , answer the followings: Wavelength of light nanometera(nm) If chlorophll 'a' is reponsible for light reaction of photosynthesis, why do the action spectrum and absorption spectrum not overlap?

Name the urine pigment.

Chlorophyll contains chlorine.

Name the bile pigments.

Give reason,why? Hill reaction is not the true form of light reaction.

Chlorophyll is a coordination compound of

Both chlorophyll a and b are present in

Apart from chlorophyll , alage have serveral other pigments in their chloroplast . What pigments are found in blue-green, red and brown algae that are responsible for their characteristic colours?