Biology 122 Exam 3 UPDATED ACTUAL
Exam Questions and CORRECT Answers
An advantage of asexual reproduction is that it
a. allows the species to endure long periods of unstable environmental conditions.
b. enhances genetic variability in the species.
c. enables the species to rapidly colonize habitats that are favorable to that species.
d. produces offspring that respond effectively to new pathogens.
e. allows a species to easily rid itself of harmful mutations. - CORRECT ANSWER - c.
enables the species to rapidly colonize habitats that are favorable to that species.
Sexual reproduction
a. allows animals to conserve resources and reproduce only during optimal conditions.
b. can produce diverse phenotypes that may enhance survival of a population in a changing
environment.
c. yields more numerous offspring more rapidly than is possible with asexual reproduction.
d. enables males and females to remain isolated from each other while rapidly colonizing
habitats.
e. guarantees that both parents will provide care for each offspring. - CORRECT
ANSWER - b. can produce diverse phenotypes that may enhance survival of a population
in a changing environment.
External chemical signals that coordinate potential reproductive partners are called
a. hormones
b. pheromones
c. paracrine signals
d. cytokines
,e. gametes - CORRECT ANSWER - b. pheromones
The junction of the upper vagina and the uterus is called the
a. fallopian tube
b. clitoris
c. oviduct
d. labia majora
e. cervix - CORRECT ANSWER - e. cervix
Among mammals, the male and female genital structures that consist mostly of erectile tissue
include the
a. penis and clitoris
b. vas deferens and oviduct
c. testes and ovaries
d. seminiferous tubules and hymen
e. prostate and ovaries - CORRECT ANSWER - a. penis and clitoris
Sperm cells are stored within human males in the
a. urethra
b. prostate
c. epididymis
d. seminal vesicles
e. bulbourethral gland - CORRECT ANSWER - c. epididymis
Among human males, both semen and urine normally travel along the
, a. vas deferens
b. urinary bladder
c. seminal vesicle
d. urethra
e. ureter - CORRECT ANSWER - d. urethra
Human sperm cells first arise in the
a. prostrate gland
b. vas deferens
c. seminiferous tubules
d. epididymis
e. Sertoli cells - CORRECT ANSWER - c. seminiferous tubules
Mature human sperm and ova are similar in that they
a. have the same number of chromosomes
b. are approximately the same size.
c. each have a flagellum that provides motility.
d. are produced from puberty until death.
e. are formed before birth. - CORRECT ANSWER - a. have the same number of
chromosomes
If a man is born with a blockage in his epididymis, he may experience
a. fragmentation
b. low sperm count
Exam Questions and CORRECT Answers
An advantage of asexual reproduction is that it
a. allows the species to endure long periods of unstable environmental conditions.
b. enhances genetic variability in the species.
c. enables the species to rapidly colonize habitats that are favorable to that species.
d. produces offspring that respond effectively to new pathogens.
e. allows a species to easily rid itself of harmful mutations. - CORRECT ANSWER - c.
enables the species to rapidly colonize habitats that are favorable to that species.
Sexual reproduction
a. allows animals to conserve resources and reproduce only during optimal conditions.
b. can produce diverse phenotypes that may enhance survival of a population in a changing
environment.
c. yields more numerous offspring more rapidly than is possible with asexual reproduction.
d. enables males and females to remain isolated from each other while rapidly colonizing
habitats.
e. guarantees that both parents will provide care for each offspring. - CORRECT
ANSWER - b. can produce diverse phenotypes that may enhance survival of a population
in a changing environment.
External chemical signals that coordinate potential reproductive partners are called
a. hormones
b. pheromones
c. paracrine signals
d. cytokines
,e. gametes - CORRECT ANSWER - b. pheromones
The junction of the upper vagina and the uterus is called the
a. fallopian tube
b. clitoris
c. oviduct
d. labia majora
e. cervix - CORRECT ANSWER - e. cervix
Among mammals, the male and female genital structures that consist mostly of erectile tissue
include the
a. penis and clitoris
b. vas deferens and oviduct
c. testes and ovaries
d. seminiferous tubules and hymen
e. prostate and ovaries - CORRECT ANSWER - a. penis and clitoris
Sperm cells are stored within human males in the
a. urethra
b. prostate
c. epididymis
d. seminal vesicles
e. bulbourethral gland - CORRECT ANSWER - c. epididymis
Among human males, both semen and urine normally travel along the
, a. vas deferens
b. urinary bladder
c. seminal vesicle
d. urethra
e. ureter - CORRECT ANSWER - d. urethra
Human sperm cells first arise in the
a. prostrate gland
b. vas deferens
c. seminiferous tubules
d. epididymis
e. Sertoli cells - CORRECT ANSWER - c. seminiferous tubules
Mature human sperm and ova are similar in that they
a. have the same number of chromosomes
b. are approximately the same size.
c. each have a flagellum that provides motility.
d. are produced from puberty until death.
e. are formed before birth. - CORRECT ANSWER - a. have the same number of
chromosomes
If a man is born with a blockage in his epididymis, he may experience
a. fragmentation
b. low sperm count
