Q. What is the name given to the flattened membranous sacs which are embedded in the matrix of the chloroplast?

A) Thylakoids
B) Granum
C) Stroma
D) Mesophyll cells
Explanation

In the matrix or stroma, there are embedded a number of flattened membranous sacs called thylakoids or lamellae. Membranes of thylakoids are called fret membranes. They are made up of both proteins and unsaturated lipids, roughly in the ratio of 50:50

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.