Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)



1

When studying populations, it is important to include such factors as
A)Age distribution.
B)Sex ratio.
C)Gene flow.
D)All of the above.
2

Which statement is generally true?
A)As population density increases, population pressure decreases.
B)As population density increases, population pressure increases.
C)Population pressure and population pressure are not related.
D)None of the above.
3

The theoretical maximum rate of reproduction is known as the
A)Reproductive capacity.
B)Biotic ratio.
C)Relative species survival rate.
D)All of the above.
4

During the lag phase of the population growth curve
A)Both natality and mortality are low.
B)The population is in a state of stable equilibrium.
C)Exponential growth is occurring but is not yet observable.
D)None of the above.
5

When discussing population size, "environmental resistance" and "carrying capacity" are known as
A)Barriers to growth.
B)Limiting factors.
C)Habitat challenges.
D)None of the above.
6

When discussing the factors that may limit the growth of a population, it is important to consider
A)Nitrogen.
B)Water.
C)Energy availability.
D)All of the above.
7

Wine can naturally reach an alcohol concentration of __________ because
A)5% to 8% / at higher alcohol concentrations, the yeast population stops growing and eventually declines.
B)12% to 15% / at higher alcohol concentrations, the yeast population stops growing and eventually declines.
C)5% to 8% / at higher alcohol concentrations, the yeast population begins to metabolize the excess alcohol.
D)12% to 15% / at higher alcohol concentrations, the population begins to metabolize the excess alcohol.
8

Which statement(s) is/are true?
A)The population sizes of two kinds of organisms may be interdependent if each is the primarily limiting factor of the other.
B)The population sizes of two kinds of organisms are not normally directly interdependent but may be indirectly interdependent.
C)It is usually considered accidental if the populations sizes of two kinds of organisms seem to be interdependent.
D)Two populations will be interdependent only if they have a common food supply.
9

Crowded living conditions resulting in a decrease in the number of rat litters would be considered an __________ factor in helping to control population.
A)Extrinsic
B)Intrinsic
C)Environmental
D)Ethnic
10

Density independent factors in population control include
A)Rainstorms and killing frosts.
B)Parasitic epidemics.
C)Hunting and fishing.
D)All of the above.
11

Which of the following statements is/are true?
A)Planet Earth would produce enough food to feed the people of the world, if government policies allowed.
B)Planet Earth cannot produce enough food to feed all people, although sometimes food is available but other factors prevent its equitable distribution.
C)Sometimes adequate amounts of food are available, but physical conditions and cultural mores prevent it from being eaten.
D)All of the above.
12

The availability of energy is a limiting factor that affects
A)Transportation.
B)Building.
C)Food production.
D)All of the above.
13

The interaction among organisms affects the human carrying capacity because
A)Humans have parasites and are occasionally predators.
B)Humans have mutualistic relationships with many plants and animals.
C)Humans compete with animals for the food produced.
D)All of the above.
14

As humans convert more and more land to agricultural and other purposes, organisms, including other humans, are displaced and problems of waste disposal arise. This could lead to
A)Certain organisms entering the death phase on the growth curve.
B)An increase in famine.
C)A decrease in available labor to work the lands.
D)All of the above.
15

Humans are different from most other organisms because they can
A)Predict the outcome of specific courses of action.
B)Make decisions based on historical, social, cultural, ethical, and personal considerations.
C)Use interdisciplinary resources to solve problems facing the species.
D)All of the above.
16

As population density increases, which one of the following is likely to occur?
A)natality will increase
B)mortality will decrease
C)the population will experience exponential growth
D)individuals will migrate from the area of highest density
17

Density-independent limiting factors
A)increase in intensity as the population increases.
B)are unrelated to population size.
C)usually influence the size of populations of large animals.
D)never affect population size.
18

Which one of the following is NOT the direct result of increasing human population?
A)extinction of some kinds of animals
B)increased standard of living
C)decreased availability of energy
D)pollution
19

Populations of organisms that are in small, confined situations often have their population limited by
A)the production of their own wastes.
B)an inability to reproduce.
C)reduced biotic potential.
D)increased energy input.
20

A population made up primarily of prereproductive individuals will
A)increase rapidly in the future.
B)become extinct.
C)rarely occur.
D)remain stable for several generations.
21

Some organisms have a low reproductive capacity but are very successful because
A)they have a short life span.
B)they have high mortality.
C)most of their offspring live.
D)they do not compete with other organisms.
22

Which one of the following is an extrinsic limiting factor?
A)fights between males over females
B)competition over food
C)death due to unusual weather
D)increased sexual activity
23

Listed below are the sex ratios for four populations. All other things being equal (including current population size), which population should experience the greatest future growth?
A)1 male: 1 female
B)2 male: 1 female
C)1 male: 2 female
D)3 male: 2 female
24

Listed below are the natality and mortality numbers for four populations. All other things being equal, which population will experience the greatest growth?
A)natality = 26/1000; mortality = 17/1000
B)natality = 19/1000; mortality = 8/1000
C)natality = 13/1000; mortality = 25/1000
D)natality = 11/1000; mortality = 5/1000
25

Mortality exceeds natality during the _____ phase.
A)death
B)lag
C)stable equilibrium
D)exponential growth
26

An exponential increase:
A)100, 200, 300, 400, 500.
B)1, 2, 3, 4, 5.
C)2, 4, 8, 16, 32.
D)5, 10, 15, 20, 25.
27

The current human population is experiencing
A)a population decline.
B)slow steady growth.
C)stable equilibrium.
D)exponential growth.
28

Increasing a population's food supply may directly increase
A)environmental resistance on the population.
B)the carrying capacity for the population.
C)the population's mortality.
D)population pressure.
29

When yeasts ferment the sugar in grape juice, they produce ethyl alcohol. When alcohol concentration reaches a certain level, the yeast population declines and eventually dies. In this example, population growth of the yeast is stopped by
A)limited space.
B)limited food supply.
C)accumulation of waste.
D)disease.







Concepts in BiologyOnline Learning Center

Home > Chapter 16 > Multiple Choice Quiz