Lab 6 Practice Quiz

Select all true statements.

• The pith of a stem or root is right next to the epidermis.

• The shoot apical meristem is roughly the same size as a mature section of stem.

• Root hairs originate from the same tissue as lateral roots.

• All three tissue systems are present in stems and roots.

Identify the tissues which are typically present in roots.

• Epidermis

• Cortex

• Endodermis

• Pericycle

• Vascular tissue and associated ground tissue (stele)

From what tissue do lateral roots initiate?

What are the cells that are sloughed off of the root cap called?

Select all examples of adaptation through modification to stem anatomy.

• Flat stems with no or greatly reduced leaves.

• Thick stems that store water.

• Photosynthetic mesophyll in the cortex.

• Presence of spines.

A _______ root undergoes the growth and collapse of cells to pull the stem below the soil

What specialized root feature is shown in both images?

What structure specific to parasitic plants is circled in the image?

What features can be used to distinguish a root from a stem?

• Presence of a root cap

• Lack of apically-produced appendages

• Xylem and phloem on separate radii

• Endogenous origin of lateral roots

• Presence of a protostele

What specialized meristem present in some monocots (ex: onion, banana) is indicated at A?