Question 1

Since men produce millions of sperm, but women produce only one oocyte per cycle, in the vast majority of cases infertility is due to a problem with the woman.

Accepted Answer

A) True 
 B)False

Question 2

What stimulates spermatogenesis?

Accepted Answer

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

Question 3

In females at puberty, what cells begin to secrete the major female sex hormone estradiol?

Accepted Answer

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

Question 4

What mammals retain their young for a long period of development within the mother's uterus?

Accepted Answer

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

Question 5

According to the figure, what is a likely day of implantation?

Accepted Answer

A) Day 3 
B) Day 27 
C) Day 13 
D) Day 21 
A) Day 3 
B) Day 27 
C) Day 13 
D) Day 21

Question 6

What is the primary means of reproduction among the protists, cnidaria, and tunicates?

Accepted Answer

A) asexual reproduction 
B) sexual reproduction 
C) asynchronous reproduction 
D) hermaphroditic reproduction 
A) asexual reproduction 
B) sexual reproduction 
C) asynchronous reproduction 
D) hermaphroditic reproduction

Question 7

What stimulates secretion of testosterone by Leydig cells?

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

What describes marsupial embryos?

Accepted Answer

A) They are born fully developed. 
B) They are born highly underdeveloped. 
C) They hatch from an internal egg. 
D) They hatch from an externally laid egg. 
A) They are born fully developed. 
B) They are born highly underdeveloped. 
C) They hatch from an internal egg. 
D) They hatch from an externally laid egg.

Question 10

What prompts monthly preparation of uterus for pregnancy?

Accepted Answer

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

Question 11

Choose the correct statement regarding estrous and menstrual cycles.

Accepted Answer

A) Animals with estrous cycles are sexually receptive only when they are ovulating. 
B) Menstrual cycles are longer than estrous cycles. 
C) Copulation can only occur during ovulation in the menstrual cycle. 
D) The lining of the uterus is shed during menstruation and estrous. 
A) Animals with estrous cycles are sexually receptive only when they are ovulating. 
B) Menstrual cycles are longer than estrous cycles. 
C) Copulation can only occur during ovulation in the menstrual cycle. 
D) The lining of the uterus is shed during menstruation and estrous.

Question 12

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

Accepted Answer

A) implantation 
B) fertilization 
C) menstruation 
D) ovulation 
A) implantation 
B) fertilization 
C) menstruation 
D) ovulation

Question 13

There are exceptions to the general rule that amphibians lay eggs that develop in the water.These exceptions showed extreme variation but they do have one thing in common.What is it?

Accepted Answer

A) They all develop in some sort of pouch. 
B) They all develop in desert environments. 
C) They all develop in habitats with adequate humidity. 
D) They all develop in a camouflaged environment. 
A) They all develop in some sort of pouch. 
B) They all develop in desert environments. 
C) They all develop in habitats with adequate humidity. 
D) They all develop in a camouflaged environment.

Question 14

Your friend is an amateur aquarist learning to breed clownfish.She had one successful clutch of eggs, and moved the mother and fry with their anemone to a separate tank leaving only male fish behind.Now, she is surprised to find that a new female fish has appeared in the original tank.What is the most likely explanation for this?

Accepted Answer

A) Some anemone species secrete pheromones that control the sex of fish as a way to regulate predation.Removal of the anemone allowed a new female to develop. 
B) In urban areas, tap water is polluted with contamination from endocrine disruptors such as BPA and PCBs.When she removed some of the tank water for the new tank, she should have replaced it with bottled water. 
C) Clownfish are protandrous hermaphrodites that respond to social cues.Removal of the dominant female allowed the second-largest fish to transform into a female. 
D) Clownfish synchronize their mating based on seasonal cues indicated by salinity.When she replaced some of the tank water, the lower salinity caused the fish to change into a female. 
A) Some anemone species secrete pheromones that control the sex of fish as a way to regulate predation.Removal of the anemone allowed a new female to develop. 
B) In urban areas, tap water is polluted with contamination from endocrine disruptors such as BPA and PCBs.When she removed some of the tank water for the new tank, she should have replaced it with bottled water. 
C) Clownfish are protandrous hermaphrodites that respond to social cues.Removal of the dominant female allowed the second-largest fish to transform into a female. 
D) Clownfish synchronize their mating based on seasonal cues indicated by salinity.When she replaced some of the tank water, the lower salinity caused the fish to change into a female.

Question 15

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.In one strategy, the female retains the young which develop and obtain nourishment from the female's blood.What is this called?

Accepted Answer

A) oviparity 
B) ovoviviparity 
C) viviparity 
D) protogyny 
A) oviparity 
B) ovoviviparity 
C) viviparity 
D) protogyny

Question 16

A Women's Studies professor wants her students to learn more about their bodies, so she asks the female students to measure their basal body temperature daily.A small rise in temperature indicates that ovulation is occurring.However, some students do not record a change in temperature -- which ones?

Accepted Answer

A) Students with IUDs. 
B) Students using oral contraceptives, hormonal implants, or injections. 
C) Students who have never had intercourse. 
D) Students using any form of birth control. 
A) Students with IUDs. 
B) Students using oral contraceptives, hormonal implants, or injections. 
C) Students who have never had intercourse. 
D) Students using any form of birth control.

Exam 52: The Reproductive System

Since men produce millions of sperm, but women produce only one oocyte per cycle, in the vast majority of cases infertility is due to a problem with the woman.

What stimulates spermatogenesis?

In females at puberty, what cells begin to secrete the major female sex hormone estradiol?

What mammals retain their young for a long period of development within the mother's uterus?

According to the figure, what is a likely day of implantation?

What is the primary means of reproduction among the protists, cnidaria, and tunicates?

What stimulates secretion of testosterone by Leydig cells?

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

What describes marsupial embryos?

What prompts monthly preparation of uterus for pregnancy?

Choose the correct statement regarding estrous and menstrual cycles.

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

There are exceptions to the general rule that amphibians lay eggs that develop in the water.These exceptions showed extreme variation but they do have one thing in common.What is it?

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.In one strategy, the female retains the young which develop and obtain nourishment from the female's blood.What is this called?

The Science of Biology

The Nature of Molecules and the Properties of Water

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes, Mapping, and the Meiosis-Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics, Phylogenies, and Comparative Biology

Genome Evolution

Evolution of Development

The Origin and Diversity of Life

Viruses

Prokaryotes

Protists

Seedless Plants

Seed Plants

Fungi

Animal Diversity and the Evolution of Body Plans

Protostomes

Deuterostomes

Plant Form

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

Animal Development

Behavioral Biology

Ecology of Individuals and Populations

Community Ecology

Dynamics of Ecosystems

The Biosphere

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