Which pigment is responsible for brown colour in brown alage?

What type of non-stoichimetric point defect is responsible for the pink colour of LiCl?

Name the non-stoichimetric point defect responsible for colour in alkali metals halides.

Name the organism responsible for red colour of red sea.

Which pigment provides green colour to leaves ?

Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? Why is the rate of photosynthesis higher in the red and blue regions of the spectrum of light?

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?

How many genes are responsible for? Skin colour in human.