Lecture 13

Question 1

Primary functions of the stem are:

Answer 1

1. ) support
2. ) translocation
3. ) Photosynthesis
4. ) Storage

Question 2

Prostrate

Answer 2

can grow along the ground

Question 3

Xylem

Answer 3

transports water and dissolved nutrients

Question 4

Phloem

Answer 4

Transports food

Question 5

Meristematic regions

Answer 5

develop leaves, branches, tillers, adventitious roots, and buds.

Question 6

Internodes

Answer 6

spaces nodes from each other

Question 7

How do monocots increase the stem thickness?

Answer 7

cell expansion

Question 8

method of girth. (dicot)

Answer 8

cell division.

Question 9

vascular bundles (monocot)

Answer 9

Located throughout the pith layer

Question 10

Vascular bundles (Dicot)

Answer 10

Arranged in a circle around the central pith core.

Question 11

What are side shoots referred to in dicots?

Answer 11

branches

Question 12

When does branching and tillering occur?

Answer 12

when plants are placed farther apart due to increased light penetration.

Question 13

Apical dominance

Answer 13

caused by hormones in the plant apex - main point of growth.

Question 14

If the apex is removed, it usually lowers buds to develop?

Answer 14

more lateral branches.