Answer to Question #57517 in Cell Biology for Misha Jain

Question

Which of the following statement is false? and how?

(1) In stroma CO2 is fixed
(2) Chloroplast aligned with their flat surfaces parallel to the lateral walls in low light intensity
(3) With in chloroplast there is a membranous system consisting of grana, stroma lamellae and stroma
(4) The membrane system is responsible for trapping the light energy and also for the synthesis of ATP and NADPH

Answer 1

Answer (3). Within chloroplast there is a membranous system consisting of grana, stroma lamellae and stroma.
Stroma is not a membranous system. It is the internal content of the chloroplast which contains the genetic material, robosomes, and Calvin cycle enzymes.