Question

a)Thin walls, many intercellular spaces, and no chloroplasts
b)Thick walls, no intercellular spaces, and a large number of chloroplasts
c) Thin walls, no intercellular spaces, and several chloroplasts
d) Thick walls, much intercellular space,s and few chloroplasts

Answer 1

Hint: The word Kranz signifies "wreath" or "ring". Kranz life systems are a particular structure; it is an exceptional structure in the leaves of $C_4$ plants where the tissue proportionate to elastic mesophyll cells is grouped in a ring around the leaf veins outside the pack sheath cells.

Complete answer:
To the extent they realized their specific cytological qualities are basic for $C_4$ plants and species. They are portrayed by dividers thicker than dividers of mesophyll cells; these dividers have various pits and plasmodesmata, and the chloroplasts are here and there unique in relation to mesophyll chloroplasts, for example, enormous size, high number per Kranz cell, and explicit situations inside the cell. Kranz cells have been read anatomically for a very long time yet have been accounted for in just 10 groups of Angiosperms: Gramineae and Cyperaceae of the monocotyledons and Amaranthaceae, Chenopodiaceae, Compositae, Euphorbiaceae, Molluginaceae, Nyctaginaceae, Portulacaceae, and Zygophyllaceae of the dicotyledons. Among the Kranz types of these families, there are known to be physiological, anatomical, and cytological contrasts.
Kranz cells are normally viewed as limited to a parenchyma sheath encompassing vascular groups of the leaf. Sheaths encompassing vascular packs in leaves are ordinary of both mono-and dicotyledons, consisting by and large of cells stretched corresponding to the hub of the group.

Additional Information: - In the Gramineae and Cyperaceae there are fundamentally two concentric and adjoining sheaths, an inward mestome sheath of little, thick-walled, chlorophyll-lacking cells and an external parenchyma sheath of thick or meager walled cells, with not many to various chloroplasts, and of cell sizes from normal to very huge. In dicots, there is generally just the parenchyma.
- The mestome sheath likely creates from procambium, though the parenchyma sheath is gotten from the beginning. It is commonly accepted that the parenchyma sheath cells of some non-Kranz species have developed into the Kranz cells of most non-CAM species having $C_4$ photosynthesis.
So the correct answer is’ Thick walls, no intercellular spaces and a large number of chloroplasts’.

Note: - It is presently obvious that all Kranz cells and sheaths are not changed parenchyma sheaths and parenchyma sheath cells, despite the fact that they regularly are. Nor are Kranz cells consistently related by contact with mesophyll cells. Nor are they in every case firmly connected with vascular tissue. They might be inner or outside to a mestome sheath, or they might be simply the mestome sheath.
- They can get physically involved with xylem, phloem, sclerenchyma, dreary parenchyma, parenchyma sheath, mestome sheath, another Kranz sheath, just as mesophyll, and even epidermis partially. Accordingly, they can work anyplace inside the leaf and in relationship with practically any leaf tissue, however quite often inward to some mesophyll.