Question 1

© Science Photo Library/Alamy
-In the figure, what structure is indicated by the number 1?

Accepted Answer

A) the penis 
B) the lumen of the seminiferous tubule 
C) the matrix of the seminiferous tubule 
D) the epididymis 
A) the penis 
B) the lumen of the seminiferous tubule 
C) the matrix of the seminiferous tubule 
D) the epididymis

Question 2

Lennart Nilsson/SCANPIX
-In the figure, what structure is indicated by number 4?

Accepted Answer

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

Question 3

Vasectomy is female sterilization.

Accepted Answer

A) True 
 B)False

Question 4

Match each hormone with its correct description.
-testosterone

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells

Question 5

What cycle does a female dog undergo, and what does the cycle lack?

Accepted Answer

A) an estrous cycle, which lacks ovulation 
B) an estrous cycle, which lacks menstruation 
C) a menstrual cycle, which lacks ovulation 
D) a menstrual cycle, which lacks implantation 
A) an estrous cycle, which lacks ovulation 
B) an estrous cycle, which lacks menstruation 
C) a menstrual cycle, which lacks ovulation 
D) a menstrual cycle, which lacks implantation

Question 6

Identify each labelled part of the illustration.  
-rectum

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 7

-In the figure, which number refers to the site of fertilization?

Accepted Answer

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

Question 8

Which statement describes the fast block to polyspermy?

Accepted Answer

A) It is more pronounced in invertebrates than in vertebrates. 
B) It occurs within hours after fertilization. 
C) It is mediated by Ca2+ ions. 
D) It does not involve a wave of electrical depolarization that spreads over the egg surface. 
A) It is more pronounced in invertebrates than in vertebrates. 
B) It occurs within hours after fertilization. 
C) It is mediated by Ca2+ ions. 
D) It does not involve a wave of electrical depolarization that spreads over the egg surface.

Question 9

The slow block to polyspermy occurs when polar bodies discharge their contents, thereby altering the egg coats.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following serves as a temporary endocrine gland in females, and what does it secrete?

Accepted Answer

A) the corpus luteum; estrogen and progesterone 
B) the uterus; luteinizing hormone and follicle-stimulating hormone 
C) the endometrium; estrogen and follicle-stimulating hormone 
D) the ovaries; estrogen and luteinizing hormone 
A) the corpus luteum; estrogen and progesterone 
B) the uterus; luteinizing hormone and follicle-stimulating hormone 
C) the endometrium; estrogen and follicle-stimulating hormone 
D) the ovaries; estrogen and luteinizing hormone

Question 11

Match each hormone with its correct description.
-gonadotropin releasing hormone (GnRH)

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells

Question 12

© Science Photo Library/Alamy
-In the figure, what does the grey area that surrounds cells 3, 4, 5, and 6 indicate?

Accepted Answer

A) the Sertoli cell 
B) the Leydig cell 
C) the spermatogonium 
D) the primordial germ cell 
A) the Sertoli cell 
B) the Leydig cell 
C) the spermatogonium 
D) the primordial germ cell

Question 13

Match each hormone with its correct description.
-inhibin

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells

Question 14

Match each hormone with its correct description.
-luteinizing hormone (LH)

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) secreted by the developing embryo; maintains function of the corpus luteum 
D) induces contraction of the uterus 
E) stimulates growth of the endometrium
F)secreted by Sertoli cells and the corpus luteum
G)secreted by the hypothalamus
H)secreted by follicular cells
I)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
J)secreted by Leydig cells

Question 15

The cnidarian Hydra reproduces asexually by fragmentation.

Accepted Answer

A) True 
 B)False

Question 16

During mating in frogs, the male clasps the female tightly around the body with his forelimbs. What is the appropriate term for this type of behaviour?

Accepted Answer

A) marriage 
B) copulation 
C) amplexus 
D) fertilization 
A) marriage 
B) copulation 
C) amplexus 
D) fertilization

Question 17

All mammals except the metatherians are viviparous.

Accepted Answer

A) True 
 B)False

Question 18

When is meiosis II completed in a human female?

Accepted Answer

A) before birth 
B) when an egg is ovulated each month 
C) only if the egg is fertilized 
D) at the time of birth 
A) before birth 
B) when an egg is ovulated each month 
C) only if the egg is fertilized 
D) at the time of birth

Question 19

When is the endometrium thickest in the female reproductive cycle?

Accepted Answer

A) in the secretory phase 
B) shortly before ovulation 
C) during ovulation 
D) during the proliferative phase 
A) in the secretory phase 
B) shortly before ovulation 
C) during ovulation 
D) during the proliferative phase

Question 20

Compare and contrast the processes of spermatogenesis and oogenesis.

Accepted Answer

Both spermatogenesis and oogenesis are t

Exam 41: Reproduction in Animals

© Science Photo Library/Alamy -In the figure, what structure is indicated by the number 1?

Lennart Nilsson/SCANPIX -In the figure, what structure is indicated by number 4?

Vasectomy is female sterilization.

Match each hormone with its correct description. -testosterone

What cycle does a female dog undergo, and what does the cycle lack?

Identify each labelled part of the illustration. -rectum

-In the figure, which number refers to the site of fertilization?

Which statement describes the fast block to polyspermy?

The slow block to polyspermy occurs when polar bodies discharge their contents, thereby altering the egg coats.

Which of the following serves as a temporary endocrine gland in females, and what does it secrete?

Match each hormone with its correct description. -gonadotropin releasing hormone (GnRH)

© Science Photo Library/Alamy -In the figure, what does the grey area that surrounds cells 3, 4, 5, and 6 indicate?

Match each hormone with its correct description. -inhibin

Match each hormone with its correct description. -luteinizing hormone (LH)

The cnidarian Hydra reproduces asexually by fragmentation.

During mating in frogs, the male clasps the female tightly around the body with his forelimbs. What is the appropriate term for this type of behaviour?

All mammals except the metatherians are viviparous.

When is meiosis II completed in a human female?

When is the endometrium thickest in the female reproductive cycle?

Compare and contrast the processes of spermatogenesis and oogenesis.

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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