Chapter 22:
Gas Exchange and Excretion
Practice Test
1.
What is the organ system in animals that allows gas exchange?
a.
the endocrine system
b.
the circulatory system
c.
the respiratory system
d.
the digestive system
Hint
2.
What are tiny openings in the stem of a plant that allow gas exchange?
a.
pores
b.
stomata
c.
gills
d.
lenticels
Hint
3.
Which of these organs is part of a grasshopper's respiratory system?
a.
gills
b.
trachea
c.
skin
d.
lungs
Hint
4.
Suppose you drank a lot of water today. What happens in your body as a result?
a.
The amount of vasopressin stays the same. The amount you drink has no affect on urine output.
b.
The amount of vasopressin increases, and less water is released in urine.
c.
The amount of vasopressin decreases, and less water is released in urine.
d.
The amount of vasopressin decreases, and more water is released in urine.
Hint
5.
When you inhale, air enters your nose and mouth, passes to your pharynx, and then enters your ________ .
a.
spiracle
b.
lenticel
c.
trachea
d.
alveolus
Hint
6.
What are the two gases needed by almost every organism on Earth?
a.
hydrogen and nitrogen
b.
oxygen and carbon dioxide
c.
hydrogen and carbon dioxide
d.
oxygen and hydrogen
Hint
7.
What is the removal of toxic nitrogenous wastes from an organism?
a.
respiration
b.
digestion
c.
circulation
d.
excretion
Hint
8.
What part of a plant takes in most of the carbon dioxide needed for photosynthesis?
a.
the bark
b.
the roots
c.
the stems
d.
the leaves
Hint
9.
What are the two large tubes that branch from the trachea in humans?
a.
nephridia
b.
alveoli
c.
esophagi
d.
bronchi
Hint
10.
What are tiny openings in the sides of arthropods that allow gas exchange?
a.
lenticels
b.
alveoli
c.
stomata
d.
spiracles
Hint
