Question 1

At what point in development do the organs begin to form?

Accepted Answer

A) immediately after fertilization 
B) during cleavage 
C) immediately after cleavage 
D) during gastrulation 
E) after gastrulation 
A) immediately after fertilization 
B) during cleavage 
C) immediately after cleavage 
D) during gastrulation 
E) after gastrulation

Question 2

A sexually reproducing animal that can produce both eggs and sperm and can switch from one sex to another is called a____ hermaphrodite.

Accepted Answer

A) simultaneous 
B) sequential 
C) parthogenic 
D) gastrulated 
E) preferential 
A) simultaneous 
B) sequential 
C) parthogenic 
D) gastrulated 
E) preferential

Question 3

Which two sexually transmitted diseases (STDs)commonly occur together?

Accepted Answer

A) HPV infection and chlamydia 
B) chlamydia and gonorrhea 
C) gonorrhea and syphilis 
D) trichomoniasis and genital herpes 
E) trichomoniasis and syphilis 
A) HPV infection and chlamydia 
B) chlamydia and gonorrhea 
C) gonorrhea and syphilis 
D) trichomoniasis and genital herpes 
E) trichomoniasis and syphilis

Question 4

Match between columns
                        Premises: rising levels of this hormone encourage the uterine lining to thicken

Accepted Answer

The Answer of FSH and LH and estrogen and GnRH is...

Question 5

The germ layers are formed during which developmental stage?

Accepted Answer

A) cleavage 
B) meiosis 
C) gastrulation 
D) zygote formation 
E) blastula formation 
A) cleavage 
B) meiosis 
C) gastrulation 
D) zygote formation 
E) blastula formation

Question 6

Which of the following is referred to as a hollow ball of cells?

Accepted Answer

A) cleavage 
B) egg 
C) gastrula 
D) zygote 
E) blastula 
A) cleavage 
B) egg 
C) gastrula 
D) zygote 
E) blastula

Question 7

Sexually reproducing animals that can produce both eggs and sperm are called ____.

Accepted Answer

A) invertebrates 
B) asexual 
C) hermaphrodites 
D) amniotes 
E) zygotes 
A) invertebrates 
B) asexual 
C) hermaphrodites 
D) amniotes 
E) zygotes

Question 8

Which recent technology has allowed women the option of reproducing later in life, either by choice or because of a medical condition that may prevent them from conceiving later?

Accepted Answer

A) artificial insemination 
B) asexual fertilization 
C) surrogate transfer 
D) egg freezing and banking 
E) fertility drugs 
A) artificial insemination 
B) asexual fertilization 
C) surrogate transfer 
D) egg freezing and banking 
E) fertility drugs

Question 9

Which hormone is responsible for the enlargement of the mammary glands during pregnancy?

Accepted Answer

A) estrogen 
B) luteinizing hormone 
C) oxytocin 
D) progesterone 
E) prolactin 
A) estrogen 
B) luteinizing hormone 
C) oxytocin 
D) progesterone 
E) prolactin

Question 10

The yolk, which is a component of many animal eggs, contains a mixture of____.

Accepted Answer

A) individual amino acids and nucleic acids 
B) proteins and lipids 
C) proteins and carbohydrates 
D) nucleic acids and proteins 
E) lipids and nucleic acids 
A) individual amino acids and nucleic acids 
B) proteins and lipids 
C) proteins and carbohydrates 
D) nucleic acids and proteins 
E) lipids and nucleic acids

Question 11

In humans, the blastocyst develops about ____ days after fertilization.

Accepted Answer

A) ​1 
B) ​3 
C) ​5 
D) ​7 
E) ​9 
A) ​1 
B) ​3 
C) ​5 
D) ​7 
E) ​9

Question 12

The heart in a human embryo begins to beat about ____ after fertilization.

Accepted Answer

A) 5 days 
B) 3 weeks 
C) 7 weeks 
D) 9 weeks 
E) 12 weeks 
A) 5 days 
B) 3 weeks 
C) 7 weeks 
D) 9 weeks 
E) 12 weeks

Question 13

Gastrulation producesa(n)____.

Accepted Answer

A) hollow balls of cells 
B) embryo with germ layers 
C) solid balls of cells 
D) haploid cells 
E) yolk sac 
A) hollow balls of cells 
B) embryo with germ layers 
C) solid balls of cells 
D) haploid cells 
E) yolk sac

Question 14

What is responsible for the large surge of progesterone in the menstrual cycle?

Accepted Answer

A) the maturation of the follicle 
B) the surge in estrogen 
C) the surge in LH 
D) the release of the egg 
E) the formation of the corpus luteum 
A) the maturation of the follicle 
B) the surge in estrogen 
C) the surge in LH 
D) the release of the egg 
E) the formation of the corpus luteum

Question 15

In human prenatal development, cleavage occurs in the ____.

Accepted Answer

A) cervix 
B) upper part of the uterus 
C) vagina 
D) oviduct 
E) ovary 
A) cervix 
B) upper part of the uterus 
C) vagina 
D) oviduct 
E) ovary

Question 16

The reproductive organ in the human female that is responsible for egg production is the ____.

Accepted Answer

A) uterus 
B) ovary 
C) vagina 
D) clitoris 
E) oviduct 
A) uterus 
B) ovary 
C) vagina 
D) clitoris 
E) oviduct

Question 17

The first day of the menstrual cycle is marked by ____.

Accepted Answer

A) the beginning of ovulation 
B) the onset of PMS 
C) the beginning of menstruation 
D) an increase in the thickness of the uterine lining 
E) the beginning of the luteal phase 
A) the beginning of ovulation 
B) the onset of PMS 
C) the beginning of menstruation 
D) an increase in the thickness of the uterine lining 
E) the beginning of the luteal phase

Question 18

What triggers the decline in estrogen and progesterone levels at the end of the menstrual cycle?

Accepted Answer

A) menstruation 
B) breakdown of the corpus luteum 
C) decreasing LH levels 
D) increasing GnRH secretions 
E) shedding of the uterine lining 
A) menstruation 
B) breakdown of the corpus luteum 
C) decreasing LH levels 
D) increasing GnRH secretions 
E) shedding of the uterine lining

Question 19

How many weeks does prenatal development last in humans?

Accepted Answer

A) 31 
B) 38 
C) 40 
D) 45 
E) 52 
A) 31 
B) 38 
C) 40 
D) 45 
E) 52

Question 20

Which cellular component can be found in a mature sperm cell?

Accepted Answer

A) mitochondria 
B) Golgi apparatus 
C) endoplasmic reticulum 
D) mRNA 
E) ribosomes 
A) mitochondria 
B) Golgi apparatus 
C) endoplasmic reticulum 
D) mRNA 
E) ribosomes

Exam 26: Reproduction and Development

At what point in development do the organs begin to form?

A sexually reproducing animal that can produce both eggs and sperm and can switch from one sex to another is called a____ hermaphrodite.

Which two sexually transmitted diseases (STDs)commonly occur together?

The germ layers are formed during which developmental stage?

Which of the following is referred to as a hollow ball of cells?

Sexually reproducing animals that can produce both eggs and sperm are called ____.

Which recent technology has allowed women the option of reproducing later in life, either by choice or because of a medical condition that may prevent them from conceiving later?

Which hormone is responsible for the enlargement of the mammary glands during pregnancy?

The yolk, which is a component of many animal eggs, contains a mixture of____.

In humans, the blastocyst develops about ____ days after fertilization.

The heart in a human embryo begins to beat about ____ after fertilization.

Gastrulation producesa(n)____.

What is responsible for the large surge of progesterone in the menstrual cycle?

In human prenatal development, cleavage occurs in the ____.

The reproductive organ in the human female that is responsible for egg production is the ____.

The first day of the menstrual cycle is marked by ____.

What triggers the decline in estrogen and progesterone levels at the end of the menstrual cycle?

How many weeks does prenatal development last in humans?

Which cellular component can be found in a mature sperm cell?

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