Question 1

Menstruation begins because:

Accepted Answer

A) The pituitary gland triggers it 
B) Progesterone and estrogen levels are both low 
C) Estrogen activity is at its peak 
D) Progesterone production is highest 
E) LH activity is at its peak 
A) The pituitary gland triggers it 
B) Progesterone and estrogen levels are both low 
C) Estrogen activity is at its peak 
D) Progesterone production is highest 
E) LH activity is at its peak B

Question 2

Which of the following is the correct order of cellular development?

Accepted Answer

A) Zygote - morula - blastula - gastrula 
B) Zygote - morula - gastrula - blastula 
C) Morula - blastula - gastrula - zygote 
D) Blastula - gastrula - zygote - morula 
E) Gastrula - zygote - morula - blastula 
A) Zygote - morula - blastula - gastrula 
B) Zygote - morula - gastrula - blastula 
C) Morula - blastula - gastrula - zygote 
D) Blastula - gastrula - zygote - morula 
E) Gastrula - zygote - morula - blastula A

Question 3

During which days of the ovarian cycle will a woman,typically,ovulate?

Accepted Answer

A) Days 13 - 15 
B) Days 1 - 3 
C) Days 26 - 28 
D) Days 5 - 7 
E) Days 14 - 18 
A) Days 13 - 15 
B) Days 1 - 3 
C) Days 26 - 28 
D) Days 5 - 7 
E) Days 14 - 18 A

Question 4

If you were studying the fine downy covering which develops on the skin of a fetus at around 5-7 months you would be studying which of the following?

Accepted Answer

A) The chorion 
B) The pubescence 
C) The lanugo 
D) The vernosa 
E) The allantois 
A) The chorion 
B) The pubescence 
C) The lanugo 
D) The vernosa 
E) The allantois

Question 5

Which of the following methods of birth control is 100% effective all of the time?

Accepted Answer

A) Tubal ligation 
B) Vasectomy 
C) Abstinence 
D) Diaphragm 
E) Condom 
A) Tubal ligation 
B) Vasectomy 
C) Abstinence 
D) Diaphragm 
E) Condom

Question 6

Which issue do organisms who reproduce on land have to deal with that organisms who reproduce in water do not?

Accepted Answer

A) The egg can dry out 
B) Difficulty in finding a mate 
C) Predators that will eat the young 
D) Finding suitable habitat for reproduction 
E) Finding enough food for the offspring to survive 
A) The egg can dry out 
B) Difficulty in finding a mate 
C) Predators that will eat the young 
D) Finding suitable habitat for reproduction 
E) Finding enough food for the offspring to survive

Question 7

Which association is incorrect?

Accepted Answer

A) Gastrula-blastopore 
B) Blastula-blastocoel 
C) Primitive streak-morula 
D) Gut-archenteron 
E) Cleavage-zygote 
A) Gastrula-blastopore 
B) Blastula-blastocoel 
C) Primitive streak-morula 
D) Gut-archenteron 
E) Cleavage-zygote

Question 8

If cytoplasmic segregation does not occur properly,what are the potential consequences?

Accepted Answer

A) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the morulA.This can ultimately produce deformed or nonfunctional cells in the organism. 
B) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the zygote.This can ultimately produce deformed or nonfunctional cells in the organism. 
C) There are no positive or negative consequences to an organism if the cytoplasmic segregation does not occur properly. 
D) The sperm cells of the individual are often deformed and have two tails instead of one. 
E) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the morula.One of the following cells will be significantly larger than the other.The smaller cell will not divide evenly and eventually die off. 
A) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the morulA.This can ultimately produce deformed or nonfunctional cells in the organism. 
B) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the zygote.This can ultimately produce deformed or nonfunctional cells in the organism. 
C) There are no positive or negative consequences to an organism if the cytoplasmic segregation does not occur properly. 
D) The sperm cells of the individual are often deformed and have two tails instead of one. 
E) The maternal determinants are not parceled out evenly which can result in developmental problems of the cells in the morula.One of the following cells will be significantly larger than the other.The smaller cell will not divide evenly and eventually die off.

Question 9

The lining of the uterus that is discharged during the menstrual phase is the:

Accepted Answer

A) Cervix 
B) Graafian follicle 
C) Endometrium 
D) Corpus luteum 
E) Oviduct 
A) Cervix 
B) Graafian follicle 
C) Endometrium 
D) Corpus luteum 
E) Oviduct

Question 10

-This figure shows the late gastrula stage in frog development.What does "a" represent?

Accepted Answer

A) Endoderm 
B) Ectoderm 
C) Yolk plug 
D) Gut 
E) Mesoderm 
A) Endoderm 
B) Ectoderm 
C) Yolk plug 
D) Gut 
E) Mesoderm

Question 11

During which stage of childbirth does the doctor cut the umbilical cord?

Accepted Answer

A) Fifth stage 
B) Third stage 
C) First stage 
D) Second stage 
E) Fourth stage 
A) Fifth stage 
B) Third stage 
C) First stage 
D) Second stage 
E) Fourth stage

Question 12

A biologist is studying the structure in the developing embryo that will transport nutrients and wastes between the mother and the fetus.Based on this information you would conclude that he or she is studying which of the following?

Accepted Answer

A) The allantois 
B) The chorion 
C) The amnion 
D) The embryonic disk 
E) The trophoblast 
A) The allantois 
B) The chorion 
C) The amnion 
D) The embryonic disk 
E) The trophoblast

Question 13

In the human male,the tube used to carry both sperm and urine is the:

Accepted Answer

A) Ureter 
B) Vas deferens 
C) Urethra 
D) Fallopian tube 
E) Seminiferous tubules 
A) Ureter 
B) Vas deferens 
C) Urethra 
D) Fallopian tube 
E) Seminiferous tubules

Question 14

Which type of birth control method is designed to prevent ovulation?

Accepted Answer

A) Contraceptive implant 
B) Intrauterine device (IU
D)  
C) Condom 
D) Diaphragm 
E) All of these methods are designed to prevent ovulation 
A) Contraceptive implant 
B) Intrauterine device (IU
D)  
C) Condom 
D) Diaphragm 
E) All of these methods are designed to prevent ovulation

Question 15

Which structure is not found among animals that reproduce on land?

Accepted Answer

A) Penis 
B) Egg shell 
C) Yolk 
D) Extra embryonic membranes 
E) All of these structures are found in animals that reproduce on land 
A) Penis 
B) Egg shell 
C) Yolk 
D) Extra embryonic membranes 
E) All of these structures are found in animals that reproduce on land

Question 16

The neural tube of vertebrates develops during morphogenesis of the nervous system by the:

Accepted Answer

A) Migration of mesoderm cells 
B) Folding of ectoderm tissue 
C) Fusion of ectoderm and mesoderm 
D) Contraction of the endoderm away from the mesoderm 
E) Fusion of endoderm and mesoderm 
A) Migration of mesoderm cells 
B) Folding of ectoderm tissue 
C) Fusion of ectoderm and mesoderm 
D) Contraction of the endoderm away from the mesoderm 
E) Fusion of endoderm and mesoderm

Question 17

When looking at a cross section of the vertebrate embryo,which tissue forms the notochord?

Accepted Answer

A) Mesoderm 
B) Ectoderm 
C) Endoderm 
D) Somite tissue 
E) Integumentary 
A) Mesoderm 
B) Ectoderm 
C) Endoderm 
D) Somite tissue 
E) Integumentary

Question 18

What is a reasonable conclusion as to how a child can be born with an abnormality to their thyroid gland and their digestive system?

Accepted Answer

A) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos endoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
B) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos mesoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
C) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos ectoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
D) The sperm from the father contained an abnormal amount of human growth hormone that can lead to developmental problems with the embryo. 
E) During delivery the child was exposed to the herpes virus that can lead to developmental problems associated with the thyroid as well as the digestive system. 
A) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos endoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
B) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos mesoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
C) During pregnancy the mother came into contact with a substance that caused developmental problems to the embryos ectoderm layer.Disruption of the endoderm layer during embryonic development can lead to problems with the lining of the digestive and respiratory tract as well as the thyroid and parathyroid glands. 
D) The sperm from the father contained an abnormal amount of human growth hormone that can lead to developmental problems with the embryo. 
E) During delivery the child was exposed to the herpes virus that can lead to developmental problems associated with the thyroid as well as the digestive system.

Question 19

-This figure shows the late gastrula stage in frog development.What does "e" represent?

Accepted Answer

A) Endoderm 
B) Ectoderm 
C) Yolk plug 
D) Archenteron 
E) Mesoderm 
A) Endoderm 
B) Ectoderm 
C) Yolk plug 
D) Archenteron 
E) Mesoderm

Question 20

The sac that surrounds the fetus and usually ruptures just before childbirth is the:

Accepted Answer

A) Gastrula 
B) Allantois 
C) Yolk sac 
D) Amnion 
E) Archenteron 
A) Gastrula 
B) Allantois 
C) Yolk sac 
D) Amnion 
E) Archenteron

Exam 36: Reproduction and Development

Menstruation begins because:

Which of the following is the correct order of cellular development?

During which days of the ovarian cycle will a woman,typically,ovulate?

If you were studying the fine downy covering which develops on the skin of a fetus at around 5-7 months you would be studying which of the following?

Which of the following methods of birth control is 100% effective all of the time?

Which issue do organisms who reproduce on land have to deal with that organisms who reproduce in water do not?

Which association is incorrect?

If cytoplasmic segregation does not occur properly,what are the potential consequences?

The lining of the uterus that is discharged during the menstrual phase is the:

-This figure shows the late gastrula stage in frog development.What does "a" represent?

During which stage of childbirth does the doctor cut the umbilical cord?

A biologist is studying the structure in the developing embryo that will transport nutrients and wastes between the mother and the fetus.Based on this information you would conclude that he or she is studying which of the following?

In the human male,the tube used to carry both sperm and urine is the:

Which type of birth control method is designed to prevent ovulation?

Which structure is not found among animals that reproduce on land?

The neural tube of vertebrates develops during morphogenesis of the nervous system by the:

When looking at a cross section of the vertebrate embryo,which tissue forms the notochord?

What is a reasonable conclusion as to how a child can be born with an abnormality to their thyroid gland and their digestive system?

-This figure shows the late gastrula stage in frog development.What does "e" represent?

The sac that surrounds the fetus and usually ruptures just before childbirth is the:

Biology, the Study of Life

Basic Chemistry of Cells

Organic Molecules of Cells

Structure and Function of Cells

Dynamic Activities of Cells

Pathways of Photosynthesis

Pathways of Cellular Respiration

Cellular Reproduction

Sexual Reproduction

Patterns of Genetic Inheritance

Molecular Biology of Inheritance

Regulation of Gene Activity

Biotechnology and Genomics

Evidence of Evolution

Speciation and Evolution

The Evolutionary History of Life on Earth

Evolution of Microbial Life

Evolution of Protists

Evolution of Plants and Fungi

Evolution of Animals

Evolution of Humans

Plant Organization and Homeostasis

Transport and Nutrition in Plants

Control of Growth Responses in Plants

Reproduction in Plants

Animal Organization and Homeostasis

Coordination by Neural Signaling

Sense Organs

Locomotion and Support Systems

Circulation and Cardiovascular Systems

Lymph Transport and Immunity

Digestive Systems and Nutrition

Gas Exchange and Transport in Animals

Osmoregulation and Excretion

Coordination by Hormone Signaling

Population Ecology

Behavioral Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation Biology

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