Chapter 11:
Plant Development
Practice Test
1.
What is the growth response of a plant to the stimulus of light?
a.
gravitropism
b.
tropism
c.
phototropism
d.
thigmotropism
Hint
2.
Which of these is NOT produced by buds on the stems of plants?
a.
roots
b.
leaves
c.
flowers
d.
branches
Hint
3.
What substance produced by plants promotes the aging of plant tissues?
a.
auxin
b.
abscisic acid
c.
gibberellin
d.
ethylene gas
Hint
4.
Which of these represent the vascular tissues of a plant?
a.
meristem and pericycle
b.
cork and bark
c.
xylem and phloem
d.
ground and cambium
Hint
5.
What substances produced by plants stimulate the closing of stomata?
a.
abscisic acid
b.
ethylene gas
c.
auxins
d.
gibberellins
Hint
6.
What is another term for the sprouting of a seed?
a.
germination
b.
development
c.
differentiation
d.
determination
Hint
7.
What are the cells that cover the outside surface of a plant?
a.
cuticle
b.
ground tissue
c.
dermis
d.
epidermis
Hint
8.
What substances cause plant cells to elongate when they are produced in low concentrations?
a.
cytokinins
b.
auxins
c.
gibberellins
d.
ethylene gas
Hint
9.
Maternal flower tissues form a tough ________ that encloses the endosperm and the embryo.
a.
apical meristem
b.
node
c.
cotyledon
d.
seed coat
Hint
10.
What is growth from the meristems present in the embryo?
a.
secondary growth
b.
phototropism
c.
gravitropism
d.
primary growth
Hint
