Chapter 24:
Chemical Control
Practice Test
1.
What is a chemical that is produced in one tissue of an organism and transported to another tissue, where it causes a response?
a.
ultraviolet light
b.
a gland
c.
a hormone
d.
a messenger
Hint
2.
What hormone controls the uptake of glucose by the liver, skeletal muscle, and fat cells?
a.
adrenaline
b.
estrogen
c.
insulin
d.
glucagon
Hint
3.
What is a plant's response to the force of gravity?
a.
thigmotropism
b.
geotropism
c.
phototropism
d.
photosynthesis
Hint
4.
What are organs that secrete substances through small ducts?
a.
endocrine ducts
b.
endocrine glands
c.
exocrine glands
d.
ductless glands
Hint
5.
What is the actively growing bud at the tip of a plant's stem?
a.
lateral meristem
b.
branchlets
c.
apical meristem
d.
a leaf
Hint
6.
What is the release of an egg into an oviduct?
a.
ovulation
b.
menstruation
c.
the follicle stage
d.
the corpus luteum stage
Hint
7.
What is a growth response of a plant to light?
a.
thigmotropism
b.
geotropism
c.
photosynthesis
d.
phototropism
Hint
8.
What is the inhibition of lateral bud development as the result of auxins produced by the apical meristem?
a.
phototropism
b.
apical dominance
c.
geotropism
d.
lateral dominance
Hint
9.
What are factors that lead to a change in an organism?
a.
stimuli
b.
reactions
c.
comparisons
d.
lectures
Hint
10.
What is the dropping of fruit or leaves from a plant?
a.
tropism
b.
abcission
c.
geotropism
d.
phototropism
Hint
