Lab 4 Practice Quiz

Select all tissues that are part of the dermal tissue system.

• Endodermis

• Epidermis

• Periderm

• Stomata

Select all components of the stomatal complex.

• Stoma

• Guard cells

• Subsidiary cells

• Ground cells

• Pavement cells

This section of epidermis is representative of what group of plants?

What specialized epidermal cell is seen covering the leaf in this image?

This image shows a cross section through the modified leaf of a Venus fly trap. What is indicated by B?

This image shows a cross section through the modified leaf of the Venus fly trap. What is indicated at A?

What specialized secretory structure is responsible for the water droplets along the margin of this leaf?

Select all true statements about nectaries.

• In flowers, nectaries are located at the base of the stigma.

• The cells below the epidermis of the nectary are small, cubical, and dense.

• Nectar is secreted from the stomata on the epidermis of the nectary.

• Only phloem contributes to the secreted nectar.

What structure is indicated at D?

At the bracket indicated by A, there are >1 layers of epidermal tissue. What is the botanical name for this?