AP BIOLOGY

PLANTS

STEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Meristem that produces the Cortex and the Pith.
A
Ground meristem
B
Vascular cambium
C
Procambium
D
Protoderm
Explanation: 

Detailed explanation-1: -The ground meristem produces the pith and cortex, which are ground tissues. The pith generates pith rays, which give rise to the interfascicular cambium. The protoderm produces the epidermis, a dermal tissue. The secondary meristems (lateral meristems) are the vascular cambium and cork cambium.

Detailed explanation-2: -1: Sclerenchyma cells in plants: The central pith and outer cortex of the (a) flax stem are made up of parenchyma cells. Inside the cortex is a layer of sclerenchyma cells, which make up the fibers in flax rope and clothing.

Detailed explanation-3: -Ground Tissue: The ground tissue of a stem is divided into two regions, the cortex and the pith. The cortex is located to the outside and/or around the vascular bundles, while the pith is locate in the center of the stem. Both the cortex and pith are composed mainly of parenchyma cells.

Detailed explanation-4: -Also known as the ground meristem, is found just inside the epidermis and extends toward the interior of the stem and root, and is made up of three types of cells: parenchyma, collenchyma, and sclerenchyma. Meristem cells that remain meristematic because they continue to initiate new cells.

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