The chloroplasts present in the bundle sheath cells of $C_4$ plants are . . . . . . .

By looking at which internal structure of a plant can you tell whether a plant is $C_{3}$ or $C_{4}$? Explain.

$I.$ They have special leaf anatomy. $II.$ They tolerate high temperature.
$III.$ Lack photorespiration. $IV.$ Greater productivity of biomass.
These are the probable characters of:

In the leaves of $C_4$ plants,malic acid formation during $CO_2$ fixation occurs in the cells of

Kranz anatomy is concerned with

Which of the following characteristics out of $I, II, III, IV$ are exhibited by $C_{4}$ plants?
$I$. Kranz anatomy
$II$. Oxaloacetic acid
$III$. Large bundle sheath cells
$IV$. Found only in desert area