Photosynthesis occurs in .......

Match the following columns:

Column $I$	Column $II$
$i.$ Mitochondrial matrix	$p.$ Photophosphorylation
$ii.$ Chloroplast stroma	$q.$ Oxidative phosphorylation
$iii.$ Cristae	$r.$ Krebs cycle
$iv.$ Granum	$s.$ Dark reaction

$CO_2$ is formed in all of the following except:

The product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilized. What are the cells or tissues that store them?

Which of the following statements is/are not true?
$I.$ In $CAM$ plants,stomata open during dark and remain closed during the day.
$II.$ Role of $Na^+$ in stomatal opening is now universally accepted.
$III.$ The water potential of root cells is higher than the water potential of soil.
$IV.$ Capillarity theory is the most accepted theory of water movement through plants.
$V.$ The walls of xylem vessels made up of ligno-cellulose have strong affinity for water molecules.

Identify the location and function of the following structures in a chloroplast:
$(1)$ Thylakoid
$(2)$ Stroma