Secondary Growth

Question 1

Secondary growth in the roots of woody plants is

Answer 1

is essentially identical to that in stems once the vascular cambium forms

Question 2

Sources of the vascular cambium at the onset of the first season’s secondary growth include ___.

Answer 2

All of the options are true

Question 3

Most trees show annual rings in their wood because of the

Answer 3

contrast between one season’s spring growth and the more dense, darker summer wood of the previous season

Question 4

The most common pine on the east Texas landscape today, with medium-sized needles & cones is ___pine

Answer 4

lobllolly

Question 5

Longleaf pine is much less common now than it was in the past (150 years ago) because of the virtual elimination of ___ from most modern landscapes.

Answer 5

Fire

Question 6

The woody tisues of certain monocots such as palms, bamboo, and greenbriars formed

Answer 6

at or near the primary apical meristem during primary growth.

Question 7

The meristem that produces the periderm is called ______

Answer 7

both cork cambium and phellogen

Question 8

The cork harvested from cork oak trees in the Mediterranean is mostly used to make

Answer 8

wine corks

Question 9

On a young twig or on a primary shoot, the areas where leaves & buds attach are called _____.

Answer 9

nodes

Question 10

The leniticels on the periderm function for

Answer 10

Gas exchange