Question

Which part of the chlorophyll is responsible for absorption of light?

(a) hydrophobic phytol chain

(b) porphyrin ring

(c) thylakoid membrane

(d) outer membrane

Answer 1

Right answer is (b) porphyrin ring

The explanation: Chlorophyll has two parts; porphyrin ring and hydrophobic phytol chain. Porphyrin ring functions in the absorption of light and the hydrophobic phytol chain maintains the integration of chlorophyll in photosynthetic chain.