Deck 31: Reproduction and Development

Question 1

During the stage called neurulation,a flexible rod,called a _______________,forms along the midline of the dorsal surface of the embryo.

A)dorsal nerve cord
B)neural groove
C)somite
D)notochord

Answer 1

D

Question 2

Human sperm production takes place within the:

A)seminiferous tubules
B)epididymis
C)vas deferens
D)penis

Answer 2

A

Question 3

A reproductive strategy in which one individual has both testes and ovaries is called:

A)fission
B)hermaphroditism
C)parthenogenesis
D)sexual reproduction

Answer 3

B

Question 4

At birth,a human female's gametes are called ova because they are fully mature egg cells ready for ovulation at the onset of puberty.

Question 5

What stage of embryonic development implants in the lining of the uterus?

A)Blastocyst
B)Morula
C)Zygote
D)After the development of a coelom

Question 6

The corpus luteum secretes which hormone in great abundance to inhibit FSH and to build up the lining of the uterus?

A)Follicle-stimulating hormone
B)Luteinizing hormone
C)Estrogen
D)Progesterone

Question 7

Organogenesis occurs when during embryonic development?

A)In the tenth week of pregnancy
B)In the third month of pregnancy
C)In the fourth week of pregnancy
D)During the last trimester of pregnancy

Question 8

The sexually transmitted diseases,_____ and _____,can cause pelvic inflammatory disease,in which fallopian tubes become scarred and blocked.

A)syphilis;genital herpes
B)gonorrhea;genital herpes
C)gonorrhea;chlamydia
D)chlamydia;syphilis

Question 9

During the follicular phase of the female menstrual cycle,estrogen is produced by the:

A)uterus
B)developing zygote
C)anterior pituitary
D)follicle cells

Question 10

The lining of the uterus builds up,ready for the implantation of a zygote,when?

A)During the follicular phase
B)During ovulation
C)During the luteal phase
D)At any time

Question 11

Choose the most effective means of birth control from the following list.

A)Condom
B)Birth control pill
C)Diaphragm
D)Spermicidal foam

Question 12

During the third trimester of development,the major change that occurs in the growing unborn child is:

A)morphogenesis
B)development of the skeleton
C)a great increase in size
D)formation of legs and arms

Question 13

The layer of cells called the endoderm in the developing embryo eventually gives rise to:

A)epidermis and nervous system
B)connective tissue and muscle
C)the lining of the gut and associated organs
D)hair and nails

Question 14

Sexual reproduction first evolved among the:

A)land-dwelling vertebrates
B)insects
C)amphibians
D)marine organisms

Question 15

The portion of the body that ultimately controls the female menstrual cycle is the:

A)hypothalamus
B)anterior pituitary
C)ovaries
D)uterus

Question 16

All birds practice internal fertilization,even though most male birds lack a penis.

Question 17

A relationship between the developing embryo and mother in which the eggs are fertilized internally and then deposited outside the mother's body to complete their development is called:

A)oviparity
B)ovoviviparity
C)viviparity
D)external fertilization

Question 18

The developing embryo is termed a fetus at what stage?

A)After the third month
B)After implantation
C)At the ninth month of pregnancy
D)At the end of the second trimester

Question 19

Ovulation in human females is triggered by:

A)a mid-cycle surge of luteinizing hormone (LH)
B)the build-up of follicle-stimulating hormone (FSH)
C)intercourse
D)the readiness of the uterus to accept a zygote

Question 20

Prior to ejaculation,mature sperm are stored where?

A)In the testes
B)In the epididymis
C)In the vas deferens
D)In the urethra

Question 21

In humans,where does fertilization occur?

A)In the ovary
B)In the fallopian tubes
C)In the vagina
D)Externally

Question 22

The secondary oocyte does not complete the second meiotic division until:

A)ovulation
B)puberty
C)fertilization
D)birth

Question 23

Skeleton,muscles,blood vessels and the heart develop from which germ layer?

A)Endoderm
B)Mesoderm
C)Ectoderm
D)All of the choices are correct.

Question 24

Which sexually transmitted disease is the most difficult to treat because it is caused by a virus?

A)Syphilis
B)Genital herpes
C)Gonorrhea
D)Chlamydia

Question 25

Which part of the sperm cell contains enzymes to help the sperm digest a pathway into the egg?

A)Tail
B)Centriole
C)Body
D)Head
E)Acrosome

Question 26

A human female is most likely to become pregnant on the two days preceding and following ovulation.

Question 27

A person with genital herpes can spread the virus both when lesions are present,as well as when not visible.

Question 28

How many sperm cells are produced for every one primary spermatocyte?

A)2
B)4
C)8
D)12

Question 29

Which of the following is a monotreme?

A)Lizard
B)Kangaroo
C)Oppossum
D)Duck-billed platypus
E)Dog

Question 30

All of the following methods of birth control prevent fertilization of the ovum by sperm except:

A)intrauterine devices (IUDs)
B)condoms
C)birth control pills
D)diaphragm
E)spermicidal foams or jellies

Question 31

Which sexually transmitted disease if not treated can lead to blindness,heart disease and mental deficiency?

A)Syphilis
B)Genital herpes
C)Gonorrhea
D)Chlamydia

Question 32

Fertilization in sharks takes place internally,unlike in most fishes.

Question 33

What is lanugo?

A)It is the opening into the human vaginA.
B)It is the place where the umbilical cord attaches to the fetus.
C)It is the downy body hair that covers the fetus in the fifth month of gestation.
D)It is the name given to a turtle egg.
E)It is the viscous material found inside a reptilian egg that nourishes the infant.

Question 34

In ovoviviparity,the eggs,after being fertilized internally,are deposited outside the mother's body to complete their development.

Question 35

Which hormone,secreted by the embryo,is tested for in all pregnancy tests?

A)Luteinizing hormone
B)Follicle-stimulating hormone
C)Progesterone
D)Estrogen
E)Human chorionic gonadotropin

Question 36

Which of the following methods of birth control prevent embryo implantation in the uterine wall?

A)RU486
B)Condoms
C)Birth control pills
D)Diaphragm
E)Spermicidal foams or jellies

Question 37

Sequential hermaphroditism among coral reef fish in which an individual is first female,then male is called _______________.

Question 38

In humans,how many ova are produced from one primary oocyte?

A)1
B)2
C)4
D)8

Question 39

Which animal is an induced ovulator?

A)Humans
B)Apes
C)Dogs
D)Rabbits

Question 40

In some frogs,the eggs develop in the stomach and the young frogs leave through their parent's mouth.

Question 41

Most mammals,most cartilaginous fish,some amphibians,and a few reptiles have young developing within the female and obtaining nutrients from her blood,a relationship known as ________________.

Question 42

The monthly cycle of a human female is more accurately called the ______________ cycle.

Question 43

During which period of prenatal development is it especially critical not to consume alcohol and why?

Question 44

The portion of the Y chromosome that determines male gender is known as _____________.

Question 45

__________________ is the male sex hormone,responsible for secondary sexual characteristics.

Question 46

The most primitive mammals,the ______________,are oviparous like their reptilian ancestors.

Question 47

Why are shelled eggs evolutionarily advantageous?

Question 48

The muscular ring at the base of the uterus is the ___________.

Question 49

Sperm,together with the secretions from several other glands,is referred to as _____________.

Question 50

Why are the testes suspended outside the body in humans?

Question 51

What are the advantages of internal fertilization?

Question 52

In a process called _______________,one female oocyte matures in the ovary and is released each month.

Question 53

In the ________________ growth pattern,different parts of the body grow or cease growing at different times.