Zoology, 8th Edition (Miller)

Chapter 27: Nutrition and Digestion

Quiz



1.

The nutrition of an animal includes
A)the process of taking in food.
B)the process of digesting food.
C)the processes of absorbing and storing food.
D)all of the above (a-c).
2.

Most higher invertebrates (e.g., insects) utilize ________________ that allows them to exploit different food sources.
A)intracellular digestion
B)both intracellular and extracellular digestion
C)variations in extracellular digestion
D)just extracellular digestion
3.

The development of an anus and complete digestive tract first occurred in the
A)sponges.
B)aschelminths.
C)molluscs.
D)cnidarians.
4.

Bats that eat primarily arthropods, such as moths, are called
A)autotrophs.
B)heterotrophs.
C)carnivores.
D)insectivores.
5.

A vertebrate, such as you, can extract approximately __________ calories per gram of carbohydrate.
A)two
B)four
C)six
D)eight
6.

In animals, which of the following would be categorized as a trace mineral?
A)copper
B)calcium
C)chlorine
D)phospholipid
7.

Which of the following is not a fat-soluble vitamin?
A)A
B)B
C)D
D)K
8.

Vitamin B9 is also known as
A)pantothenic acid.
B)niacin.
C)riboflavin.
D)folic acid.
9.

Ascorbic acid is also known as
A)vitamin B3.
B)vitamin B5.
C)vitamin C.
D)vitamin D.
10.

Vitamin A is also known as
A)tocopherol.
B)retinol.
C)phylloquinone.
D)thiamin.
11.

Deposit feeding occurs in
A)earthworms.
B)some snails.
C)sea urchins.
D)all of the above (a-c).
12.

Which of the following spends the most time eating?
A)herbivores
B)carnivores
C)suspension feeders
D)discontinuous feeders
13.

Digestion involves
A)feeding.
B)extracellular digestion.
C)intracellular digestion.
D)all of the above (a-c).
14.

Salivary glands are found in all of the following except most
A)fishes.
B)snakes.
C)birds.
D)fishes and birds.
15.

Gizzards are found in all of the following except
A)crocodilians.
B)birds.
C)some fishes.
D)mammals.
16.

All of the following are ruminant animals except
A)cows.
B)sheep.
C)horses.
D)goats.
17.

In mammals, HCl is produced by glandular cells of the
A)pancreas.
B)stomach.
C)small intestine.
D)rectum.
18.

All of the following are functions of the vertebrate stomach except
A)stores and mixes the food bolus received from the esophagus
B)secretes substances (enzymes, mucus) that initiates digestion
C)is a site of absorption of lipids
D)helps control the rate food moves into the small intestine
19.

The stomach contains __________ glands.
A)gastric
B)mucous
C)intestinal
D)none of the above
20.

Which of the following is necessary for the emulsification of fats?
A)bile
B)hydrochloric acid
C)chyme
D)bolus
21.

Digestion is the mechanical and chemical breakdown of food into smaller particles that the individual cells of an animal can absorb.
A)True
B)False
22.

Losses of biosynthetic abilities have marked much of animal evolution.
A)True
B)False
23.

Only a few protists and animals can absorb nutrients directly from their external environment.
A)True
B)False
24.

The evolution and structure of the digestive system in various invertebrates and vertebrates reflects their eating habits, their rate of metabolism, and their body size.
A)True
B)False
25.

Most digestion occurs in the ileal portion of the small intestine.
A)True
B)False
26.

The large intestine carries out many digestive and absorptive activities.
A)True
B)False
27.

The appendix represents the evolutionary remnant of a portion of the pancreas.
A)True
B)False
28.

A rabbit has a very small cecum.
A)True
B)False
29.

Every vertebrate has a pancreas.
A)True
B)False
30.

Bile is stored in the pancreas.
A)True
B)False
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