Question 1

The first cell of a new individual is the

Accepted Answer

A)  blastula. 
B)  gastrula. 
C)  embryo. 
D)  zygote. 
E)  gamete. 
A)  blastula. 
B)  gastrula. 
C)  embryo. 
D)  zygote. 
E)  gamete.

Question 2

Fertilization in humans occurs in the

Accepted Answer

A)  ovary. 
B)  uterus. 
C)  vagina. 
D)  oviduct. 
E)  follicle. 
A)  ovary. 
B)  uterus. 
C)  vagina. 
D)  oviduct. 
E)  follicle.

Question 3

Match between columns
                        Premises: The gut cavity of an animal forms during this stage.
The major germ layers are formed during this stage.
This is the fertilized egg.
This stage appears as a multicellular, hollow ball.
The mammalian version of a blastula.

Accepted Answer

The Answer of zygote and blastula and embryo and gastrula is...

Question 4

The structure that conducts sperm upwards during an ejaculation is represented by letter _______.

Accepted Answer

The answer of   The structure that conducts sperm...

Question 5

Which embryonic tissue is INCORRECTLY associated with its derivative?

Accepted Answer

A)  skin from mesoderm 
B)  nervous system from ectoderm 
C)  liver from endoderm 
D)  circulatory system from mesoderm 
E)  muscles from mesoderm 
A)  skin from mesoderm 
B)  nervous system from ectoderm 
C)  liver from endoderm 
D)  circulatory system from mesoderm 
E)  muscles from mesoderm

Question 6

Which of the following structures becomes part of the placenta?

Accepted Answer

A)  chorion 
B)  amnion 
C)  blastocoel 
D)  yolk sac 
E)  more than one of these becomes part of the placenta 
A)  chorion 
B)  amnion 
C)  blastocoel 
D)  yolk sac 
E)  more than one of these becomes part of the placenta

Question 7

Which of the following is an extraembryonic tissue that burrows into and thus attaches to maternal tissues?

Accepted Answer

A)  the amnion 
B)  the yolk sac 
C)  the chorion 
D)  the blastocyst protein coat 
E)  the inner cell mass 
A)  the amnion 
B)  the yolk sac 
C)  the chorion 
D)  the blastocyst protein coat 
E)  the inner cell mass

Question 8

A primary oocyte enters meiosis but stops at

Accepted Answer

A)  prophase I. 
B)  metaphase I. 
C)  prophase II. 
D)  metaphase II. 
E)  anaphase I. 
A)  prophase I. 
B)  metaphase I. 
C)  prophase II. 
D)  metaphase II. 
E)  anaphase I.

Question 9

Which of the following is NOT true about the hormone, HCG?

Accepted Answer

A)  it is secreted by the amnion 
B)  it encourages menstruation 
C)  it causes the degeneration of the corpus luteum 
D)  it can be detected beginning the third day 
E)  all of these are not true about the hormone, HCG 
A)  it is secreted by the amnion 
B)  it encourages menstruation 
C)  it causes the degeneration of the corpus luteum 
D)  it can be detected beginning the third day 
E)  all of these are not true about the hormone, HCG

Question 10

How many gametes result from meiosis in a female human?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 11

The birth control pill is a mixture of synthetic

Accepted Answer

A)  testosterone and estrogens. 
B)  progesterone and estrogens. 
C)  LH and FSH. 
D)  LH and estrogens. 
E)  compounds of all of these. 
A)  testosterone and estrogens. 
B)  progesterone and estrogens. 
C)  LH and FSH. 
D)  LH and estrogens. 
E)  compounds of all of these.

Question 12

In gamete formation in humans, what does the increased release of estrogens cause?

Accepted Answer

A)  the release of GnRH from the hypothalamus 
B)  the maturation of ovarian follicles 
C)  the completion of meiosis I 
D)  the thickening of the uterine lining 
E)  more than one of these is caused by the release of estrogens 
A)  the release of GnRH from the hypothalamus 
B)  the maturation of ovarian follicles 
C)  the completion of meiosis I 
D)  the thickening of the uterine lining 
E)  more than one of these is caused by the release of estrogens

Question 13

Severe neural tube defects in the embryo can be mostly avoided if the mother takes vitamin

Accepted Answer

A)  D. 
B)  Bs. 
C)  C. 
D)  E. 
E)  K. 
A)  D. 
B)  Bs. 
C)  C. 
D)  E. 
E)  K.

Question 14

Human female germ cells form

Accepted Answer

A)  before birth. 
B)  shortly after birth. 
C)  at puberty. 
D)  during late teenage-hood. 
E)  at fertilization. 
A)  before birth. 
B)  shortly after birth. 
C)  at puberty. 
D)  during late teenage-hood. 
E)  at fertilization.

Question 15

The membrane that contacts the endometrium of the uterus is the

Accepted Answer

A)  amnion. 
B)  allantois. 
C)  chorion. 
D)  yolk sac. 
E)  umbilical cord. 
A)  amnion. 
B)  allantois. 
C)  chorion. 
D)  yolk sac. 
E)  umbilical cord.

Question 16

The average number of sperm that enter the vagina during an ejaculation is between

Accepted Answer

A)  150,000 and 350,000. 
B)  1.5 and 3.5 million. 
C)  15 and 35 million. 
D)  150 and 350 million. 
E)  1.5 and 3.5 billion. 
A)  150,000 and 350,000. 
B)  1.5 and 3.5 million. 
C)  15 and 35 million. 
D)  150 and 350 million. 
E)  1.5 and 3.5 billion.

Question 17

Which of the following are contained in maternal milk?

Accepted Answer

A)  lactose 
B)  antibodies 
C)  proteins 
D)  digestive enzymes 
E)  all of these are contained in maternal milk 
A)  lactose 
B)  antibodies 
C)  proteins 
D)  digestive enzymes 
E)  all of these are contained in maternal milk

Question 18

What letter indicates female tissue that is homologous to tissue at the head of the male penis?

Accepted Answer

The answer of   What letter indicates female tissue...

Question 19

During ejaculation sperm pass from the epididymis into the

Accepted Answer

A)  vas deferens. 
B)  bulbourethral gland. 
C)  prostate. 
D)  scrotum. 
E)  urethra. 
A)  vas deferens. 
B)  bulbourethral gland. 
C)  prostate. 
D)  scrotum. 
E)  urethra.

Question 20

The first child conceived using IVF was born in

Accepted Answer

A)  1958. 
B)  1968. 
C)  1978. 
D)  1988. 
E)  1998. 
A)  1958. 
B)  1968. 
C)  1978. 
D)  1988. 
E)  1998.

Exam 26: Reproduction and Development

The first cell of a new individual is the

Fertilization in humans occurs in the

The structure that conducts sperm upwards during an ejaculation is represented by letter _______.

Which embryonic tissue is INCORRECTLY associated with its derivative?

Which of the following structures becomes part of the placenta?

Which of the following is an extraembryonic tissue that burrows into and thus attaches to maternal tissues?

A primary oocyte enters meiosis but stops at

Which of the following is NOT true about the hormone, HCG?

How many gametes result from meiosis in a female human?

The birth control pill is a mixture of synthetic

In gamete formation in humans, what does the increased release of estrogens cause?

Severe neural tube defects in the embryo can be mostly avoided if the mother takes vitamin

Human female germ cells form

The membrane that contacts the endometrium of the uterus is the

The average number of sperm that enter the vagina during an ejaculation is between

Which of the following are contained in maternal milk?

What letter indicates female tissue that is homologous to tissue at the head of the male penis?

During ejaculation sperm pass from the epididymis into the

The first child conceived using IVF was born in

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Plant Form and Function

Plant Reproduction and Development

Filters