Question

Name the pigment which is responsible for the yellow color of leaves in autumn and orange color of carrots?

(a) Phycobilins

(b) Chlorophylls

(c) Carotenoids

(d) Bacteriochlorophyll

This question was posed to me in class test.

I need to ask this question from Photosynthesis topic in chapter Bioenergetics and Metabolism of Life Sciences

Answer 1

Right choice is (c) Carotenoids

For explanation: Carotenoids distinguished from one another by their end group, these are long-chain, conjugated hydrocarbons whose absorption spectrum lies between 400-500nm which is responsible for yellow as well as orange color in leaves and carrots.