Exam 35: Vascular Plant Structure, Growth, and Development

Which of the following have unevenly thickened primary walls that support young, growing parts of the plant?

The veins of leaves are ________. I. composed of xylem and phloem II. continuous, with vascular bundles in the stem and roots III. finely branched to be in close contact with photosynthesising cells

What is present in a shoot apical meristem region? I. the region of cell division II. immature buds and leaves III. cells that will give rise to the protoderm, ground meristem, and procambium

What tissue makes up most of the wood of a tree?

In a meristematic region, the cell plate during mitosis is perpendicular to the side of the stem. In what direction will the stem grow?

If you were able to walk into an opening cut into the centre of a large redwood tree, when you exited from the middle of the trunk (stem) outward, you would cross, in order, ________.

Some of the largest leaves in the world can be found on plants near the floor of dense tropical rain forests. Which of the following precursors for photosynthesis is most likely limited in these large leaves?

________ is a relatively indigestible strengthening polymer that accounts for more than a quarter of the dry mass of wood.

Which of the following cell types retains the ability to undergo cell division?

Which of the following is the correct sequence of the zones in the primary growth of a root, moving from the root cap inward?

Heartwood and sapwood consist of

Increasing the number of stomata per unit surface area of a leaf when atmospheric carbon dioxide levels decline is most analogous to a human ________.

Monocot vascular bundles do not have a vascular cambium between the xylem and phloem. This means that monocots ________.

Strawberries have modified horizontal shoots growing along the surface, which are referred to as ________.

Prop roots are the modified aerial adventitious roots of corn that ________.

Which of the following arise, directly or indirectly, from meristematic activity?

The following diagram is of a cross-section of a plant leaf. Use the diagram to answer the question. - The main function associated with structure X is ________.

Where is primary growth occurring in an old tree?

Cells produced by lateral meristems are known as ________.

When you eat Brussels sprouts, you are eating ________.