_______is a protein pigment that is responsible for different skin colour in humans.
To paint a picture, 2 parts of colour pigment is to be mixed with 7 parts of base and then painting is done. If 35 ml of red pigment and 45 ml of blue pigment are used, then how much base you need to mix?
(a) Name the pigment in leaves which absorbs sunlight energy. (b) What is the colour of this pigment?
Apart from chlorophyll, algae have several other pigments in their chloroplast. What pigments are found in blue,green, red and brown algae, that are responsible for their characteristic colours?
Question 43 Tomatoes, carrots and chillies are red in colour due to the presence of one pigment. Name the pigment. Is it a photosynthetic pigment?