Free MCQs for FPSC, PPSC, NTS, CSS, PMS & Govt Jobs 2026

MEDIUMENGLISHBiology

Which of the following statement about the head of a chlorophyll molecule is incorrect?

AIt is a porphyrin ring or tetrapyrrole ring structure

BIt is flat, square and light absorbing

CComposed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen.

DIt is hydrophobic

Preparing your study page...