Filters
Question type

Study Flashcards

Choose the letter of the best match from the following: -Sperm blockage.


A) birth control pill
B) intrauterine device
C) diaphragm
D) foams and jellies
E) vasectomy

F) C) and E)
G) A) and E)

Correct Answer

verifed

verified

You notice that in your aquarium full of undoubtedly male fish,one is laying eggs.Upon a bit of research,you find out that the species of fish you purchased is a sequential hermaphrodite.Which of the following is true?


A) One of the male fish underwent protandry.
B) One of the male fish fertilized its own eggs.
C) Since the fish are hermaphrodites,one of the male fish laid eggs and another will likely fertilize them.
D) The fish show parthenogenesis therefore their eggs do not have to be fertilized to be viable.
E) The fish show protogyny,which allows the males to lay eggs.

F) A) and B)
G) A) and E)

Correct Answer

verifed

verified

The uterine lining proliferates during the female cycle and then sloughs off in the process of


A) birth.
B) fertilization.
C) menstruation.
D) ovulation.
E) placentation.

F) D) and E)
G) A) and E)

Correct Answer

verifed

verified

The immotile sperm develop motility in about 18 hours after arriving at the long,coiled tube called the _________.


A) vas deferens
B) semiferous tubules
C) epididymis
D) testis

E) B) and C)
F) A) and C)

Correct Answer

verifed

verified

The intense selective pressure for terrestrial vertebrates to evolve internal fertilization was that on land


A) the eggs are too small for the males to find and fertilize.
B) the gametes could not be released next to each other,as they would soon dry up and perish.
C) there is no mechanism for eggs and sperm to find one another.
D) terrestrial organisms only produce small quantities of gametes.
E) gametes and zygotes are vulnerable to predators.

F) A) and B)
G) B) and E)

Correct Answer

verifed

verified

Which of the following statements is true in reptiles?


A) Eggs undergo external fertilization.
B) Sperm are released in the vicinity of the female.
C) Eggs have an amnion and a chorion.
D) Larvae become adults by metamorphosis.
E) Embryonic and fetal development in all species is only by oviparity.

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

The only mammals that lay eggs are called


A) monotremes.
B) placentals.
C) marsupials.

D) A) and B)
E) A) and C)

Correct Answer

verifed

verified

_________ stimulates spermatogenesis.


A) Estradiol
B) FSH
C) LH
D) Testosterone
E) Progesterone

F) A) and E)
G) C) and E)

Correct Answer

verifed

verified

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.The strategy in which the female retains the young and the young develop and obtain nourishment from the female's blood is referred to as


A) oviparity.
B) ovoviviparity.
C) viviparity.
D) protogyny.
E) protandry.

F) C) and D)
G) A) and B)

Correct Answer

verifed

verified

There are numerous fish genera that have individuals that can change their sex during their lifetime.This is referred to as


A) sequential hermaphroditism.
B) sequential sex determination.
C) sequential parthenogenesis.
D) sequential production of gametes.
E) sequential fertilization.

F) All of the above
G) A) and B)

Correct Answer

verifed

verified

Reproduction in reptiles compares to reproduction in birds in that


A) birds are oviparous,reptiles are ovoviviparous.
B) both newly hatched birds and reptiles require parental care.
C) both exhibit external fertilization.
D) the eggs of both birds and reptiles have protective shells.
E) male or female reptiles reproduce asexually;birds do not.

F) A) and B)
G) C) and E)

Correct Answer

verifed

verified

In females at puberty,the ________ cells begin to secrete the major female sex hormone,estradiol.


A) oocyte
B) corpus luteum
C) follicle
D) granulosa

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

Internally fertilized organisms can either hatch from _____ or be born alive.


A) follicles
B) ducts
C) capsules
D) eggs

E) C) and D)
F) A) and B)

Correct Answer

verifed

verified

Meiosis of primary oocytes undergo meiosis to ultimately produce


A) four ovA.
B) three ova and one polar body.
C) one ovum.
D) one ovum and one polar body.
E) one ovum and two polar bodies.

F) All of the above
G) C) and E)

Correct Answer

verifed

verified

_________ prompts monthly preparation of uterus for pregnancy.


A) Estradiol
B) Testosterone
C) Progesterone
D) Prolactin
E) Oxytocin

F) C) and D)
G) A) and B)

Correct Answer

verifed

verified

Males are generally considered sterile if their sperm count per milliliter of semen is under


A) 1 million.
B) 10 million.
C) 20 million.
D) 50 million.
E) 100 million.

F) A) and C)
G) B) and C)

Correct Answer

verifed

verified

Which hormone prevents the corpus luteum from degenerating?


A) LH
B) FSH
C) hCG
D) progesterone
E) estrogen

F) B) and D)
G) A) and D)

Correct Answer

verifed

verified

_________ reproduction is the primary means of reproduction among the protists,cnideria,and tunicates.


A) Asexual
B) Sexual
C) Amorphous
D) Hermaphoditic

E) B) and C)
F) C) and D)

Correct Answer

verifed

verified

Mammals that retain their young for a long period of development within the mother's uterus are


A) monotremes.
B) placentals.
C) marsupials.

D) All of the above
E) B) and C)

Correct Answer

verifed

verified

Select the correct sequence of events of the human menstrual phase beginning and ending with the menstrual cycle.


A) menstrual phase \rarr proliferative phase \rarr ovulation \rarr secretory phase \rarr menstrual phase
B) menstrual phase \rarr ovulation \rarr secretory phase \rarr proliferative phase \rarr menstrual phase
C) menstrual phase \rarr secretory phase \rarr proliferative phase \rarr ovulation \rarr menstrual phase
D) menstrual phase \rarr proliferative phase \rarr secretory phase \rarr ovulation \rarr menstrual phase

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Showing 21 - 40 of 77

Related Exams

Show Answer