Exam 33: The Plant Body

Plants regulate gas exchange and water loss via

The protective waxy cuticle of a plant is mainly composed of what compound?

The membrane surrounding the vacuole, which is so important for the growth of plant cells, is known as the

In an upright woody stem, vascular rays are composed of _______ cells and conduct materials in a _______ direction.

Lateral roots originate in the

Secondary plant growth

Eudicots have _______ cotyledons.

A phytomer is composed of a node and a(n)

Refer to the figure showing the basic plant body plan. Identify the two parts of the leaves labeled A and B.

Which of the following is responsible for indeterminate growth in plants?

Unlike primary growth, secondary growth

Which of the following represents the developmental sequence of an individual root cell?

The wood of the stem of a tropical tree that has been grown under continuous water stress will be darker in color than the wood from trees of the same species that were not water stressed.This darker wood resembles the summer wood in a temperate tree, which is often darker than spring wood because

The dark color of summer wood is due to thickening of the _______ of vascular cells.

The epidermis of a leaf

How many of the following tissues are present within the stele of the eudicot root: cortex, pericycle, pith, endodermis, phloem, xylem?

A common function of roots, but not stems, is

Root hairs are produced by which layer of the plant body?

You are given two slides, each of a different cell but both derived from ground tissue .The first cell is elongated with thick, secondary cell walls and likely provides a plant rigid support.The second cell is also somewhat elongated, but has thickened primary cell walls at the corners and also provides support.The first cell is a _______ cell and the second is a _______ cell.

Growth in the diameter of stems and roots, which is produced by vascular and cork cambia, is called _______ growth.