Question 1

The nervous system structures are derived from ectoderm.

Accepted Answer

A) True 
 B)False

Question 2

Which body axis exists?

Accepted Answer

A)  dorsal-anterior axis 
B)  ventral-posterior axis 
C)  anterior-posterior axis 
D)  anterior-dorsal axis 
A)  dorsal-anterior axis 
B)  ventral-posterior axis 
C)  anterior-posterior axis 
D)  anterior-dorsal axis

Question 3

After fertilization, the sperm that enters the egg releases nitric oxide, which stimulates the release of stored calcium ions in the egg.

Accepted Answer

A) True 
 B)False

Question 4

The egg is fertilized at the secondary oocyte stage.

Accepted Answer

A) True 
 B)False

Question 5

The cnidarian Hydra reproduces asexually by fragmentation.

Accepted Answer

A) True 
 B)False

Question 6

Identify each labelled part of the illustration.  
-amnion

Accepted Answer

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

Question 7

When is meiosis II completed in a human female?

Accepted Answer

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

Question 8

Put the following mechanisms of development in the order in which they occur.
-fourth mechanism

Accepted Answer

A) cell movements 
B) determination 
C) differentiation 
D) induction 
E) mitotic cell divisions
F)selective cell adhesions 
A) cell movements 
B) determination 
C) differentiation 
D) induction 
E) mitotic cell divisions
F)selective cell adhesions

Question 9

Match each term with its definition.
-apoptosis

Accepted Answer

A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells 
A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells

Question 10

Where are sperm stored after they are produced?

Accepted Answer

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

Question 11

Which of the following is apoptosis responsible for?

Accepted Answer

A)  the ability of newly born kittens to open their eyelids 
B)  the ability of newly born kittens to walk 
C)  generation of body axes 
D)  generation of body symmetry 
A)  the ability of newly born kittens to open their eyelids 
B)  the ability of newly born kittens to walk 
C)  generation of body axes 
D)  generation of body symmetry

Question 12

Figure 44-2  
-In Figure 44-2, which number refers to a structure whose secretions cause the uterine endometrial tissue to thicken in preparation for pregnancy?

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  6 
A)  1 
B)  3 
C)  5 
D)  6

Question 13

If the number of chromosomes in an animal's gametes is 20, then how many chromosomes would a somatic cell from that animal contain?

Accepted Answer

A)  10 
B)  20 
C)  40 
D)  80 
A)  10 
B)  20 
C)  40 
D)  80

Question 14

What is the function of gonads in humans?

Accepted Answer

A)  to nourish the embryo 
B)  to produce enzymes 
C)  to nourish the mother 
D)  to produce gametes 
A)  to nourish the embryo 
B)  to produce enzymes 
C)  to nourish the mother 
D)  to produce gametes

Question 15

Identify each labelled part of the illustration.  
-embryo

Accepted Answer

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

Question 16

Which sequence presents the cells in oogenesis in the correct order?

Accepted Answer

A)  primary oocyte, secondary oocyte, oogonium 
B)  primary oocyte, oogonium, secondary oocyte 
C)  oogonium, secondary oocyte, primary oocyte 
D)  oogonium, primary oocyte, secondary oocyte 
A)  primary oocyte, secondary oocyte, oogonium 
B)  primary oocyte, oogonium, secondary oocyte 
C)  oogonium, secondary oocyte, primary oocyte 
D)  oogonium, primary oocyte, secondary oocyte

Question 17

Which of the following occurs after mitotic cell division?

Accepted Answer

A)  Cell division occurs, and the mass does not increase. 
B)  No cell division occurs, and the mass increases. 
C)  No cell division occurs, and the mass does not increase. 
D)  Cell division occurs, and the mass increases. 
A)  Cell division occurs, and the mass does not increase. 
B)  No cell division occurs, and the mass increases. 
C)  No cell division occurs, and the mass does not increase. 
D)  Cell division occurs, and the mass increases.

Question 18

Which structure in the development of the amphibian is equivalent to the primitive knot found in bird development?

Accepted Answer

A)  ectoderm 
B)  dorsal lip of the blastopore 
C)  archenteron 
D)  endoderm 
A)  ectoderm 
B)  dorsal lip of the blastopore 
C)  archenteron 
D)  endoderm

Question 19

Which of these animals' eggs contain very little yolk?

Accepted Answer

A)  reptiles 
B)  placental mammals 
C)  birds 
D)  insects 
A)  reptiles 
B)  placental mammals 
C)  birds 
D)  insects

Question 20

Match each term to its definition.
-blastocoel

Accepted Answer

A) fluid-filled cavity within the blastomere 
B) stage in which an embryo has three tissue layers 
C) solid ball of blastomeres 
D) opening that eventually becomes the anus 
E) process that involves an increase in number of cells, but not an increase in mass
F)early stage in formation of the nervous system
G)second stage of cleavage; a formed hollow cavity 
A) fluid-filled cavity within the blastomere 
B) stage in which an embryo has three tissue layers 
C) solid ball of blastomeres 
D) opening that eventually becomes the anus 
E) process that involves an increase in number of cells, but not an increase in mass
F)early stage in formation of the nervous system
G)second stage of cleavage; a formed hollow cavity

Exam 44: Animal Reproduction

The nervous system structures are derived from ectoderm.

Which body axis exists?

After fertilization, the sperm that enters the egg releases nitric oxide, which stimulates the release of stored calcium ions in the egg.

The egg is fertilized at the secondary oocyte stage.

The cnidarian Hydra reproduces asexually by fragmentation.

Identify each labelled part of the illustration. -amnion

When is meiosis II completed in a human female?

Put the following mechanisms of development in the order in which they occur. -fourth mechanism

Match each term with its definition. -apoptosis

Where are sperm stored after they are produced?

Which of the following is apoptosis responsible for?

Figure 44-2 -In Figure 44-2, which number refers to a structure whose secretions cause the uterine endometrial tissue to thicken in preparation for pregnancy?

If the number of chromosomes in an animal's gametes is 20, then how many chromosomes would a somatic cell from that animal contain?

What is the function of gonads in humans?

Identify each labelled part of the illustration. -embryo

Which sequence presents the cells in oogenesis in the correct order?

Which of the following occurs after mitotic cell division?

Which structure in the development of the amphibian is equivalent to the primitive knot found in bird development?

Which of these animals' eggs contain very little yolk?

Match each term to its definition. -blastocoel

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

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

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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