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Regents Reproduction and Development

Total questions: 50

Worksheet time: 4hrs 1mins

Name
Class
Date
1.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
2.
Identify the correct order of development.  
a)
Fertilization, Zygote, Embryo, Cell Differentiation 
b)
Cell Differentiation, Zygote, Embryo, Fertilization 
c)
Fertilization, Embryo, Zygote, Cell Differentiation 
d)
Zygote, Embryo, Fertilization, Cell Differentiation 
3.
After the egg is fertilised, where does the fertilized egg develops?
a)
A
b)
B
c)
C
d)
D
4.

Where do the egg and sperm meet?

a)

The ovary

b)

The fallopian tube / oviduct

c)

The vas deferens

d)

The uterus

5.
The fluid that forms around the baby in the mother's uterus is called ____________ fluid.
a)
tissue
b)
placental
c)
amniotic
d)
lymphatic
6.

The heart, muscles, bones and blood develop primarily from

a)

Ectoderm

b)

Mesoderm

c)

Endoderm

d)

Placenta

7.

Which statement is characteristic of reproduction in humans?

a)

The reproductive cells of males and females differ in chromosome number.

b)

Males and females produce gametes in the ovaries.

c)

Males and females produce the same number of gametes.

d)

The reproductive cycles of males and females are regulated by hormones.

8.

A diagram of the female reproductive system is shown. Identify the structure within which the egg cell is normally fertilized.

a)

A

b)

B

c)

C

d)

D

9.

The development of organs and tissues from a zygote includes

a)

mitosis and differentiation

b)

mitosis and gamete production

c)

meiosis and gamete production

d)

meiosis and fertilization

10.

The diagram below represents structures found in the female reproductive system.

If the areas labeled A were completely blocked on both sides, the most likely result would be that

a)

egg and estrogen production would stop

b)

sperm and insulin production would stop

c)

fertilization would not occur

d)

an embryo would develop

11.

The diagram below represents events that occur during sexual reproduction.

The stages labeled A, B, and C are necessary to ensure that the offspring will inherit

a)

half of their chromosomes from each parent

b)

double the amount of chromosomes from each parent

c)

pairs of chromosomes from each parent

d)

double the amount of chromosomes from one parent

12.

Which statement best describes an important process carried out by structure X?

a)

Milk passes from the mother to the fetus.

b)

Materials are exchanged between fetal and maternal blood.

c)

Maternal blood is converted into fetal blood

d)

Oxygen diffuses from fetal blood to maternal blood.

13.

A reproductive system is represented in the diagram below. Which structure is correctly paired with its reproductive function?

a)

A – pathway of gametes

b)

B – synthesis of progesterone

c)

C – production of sperm

d)

D – regulation of homeostasis

14.

The diagram below represents a developing fetus in a human.

What would most likely happen if structure X were damaged in the early stages of pregnancy?

a)

The genes from the mother would not be turned on in the fetus.

b)

The nutrients necessary for development would not be able to reach the fetus.

c)

the fertilized egg would not be able to travel from the ovary to the uterus.

d)

Development would take longer since the fetus would have to synthesize nutrients.

15.

The reproductive structure in a female mammal that produces sex cells is the

a)

ovary

b)

testes

c)

uterus

d)

placenta

16.

Which population in the chart below has the best chance for survival in a rapidly changing environment?

a)

1

b)

2

c)

3

d)

4

17.

A dog gave birth to the three puppies shown in the photograph below. One of the puppies has darker fur on its face than the other two.

Which two biological processes account for this difference between the puppies?

a)

meiosis and recombination

b)

meiosis and cloning

c)

mitosis and differentiation

d)

mitosis and cloning

18.

After a zygote is formed, specialization of cells occurs. Through which process do the cells of a zygote become specialized?

a)

sexual reproduction

b)

meiosis

c)

fertilization

d)

differentiation

19.

In humans, the placenta is essential to the embryo for

a)

nutrition, excretion, and reproduction

b)

respiration, nutrition, and excretion

c)

movement, reproduction, and nutrition

d)

coordination, movement, and growth

20.

Occasionally, during pregnancy, the placenta can separate from the uterus. This causes a disruption in development and sometimes death of the fetus. Harm to the developing fetus might occur because the placenta

a)

transfers oxygen and nutrients to the fetal blood

b)

sends maternal blood into the fetus

c)

supplies milk for the fetus

d)

breaks down wastes of the fetus

21.

Which process produces only identical offspring?

a)

meiotic cell division

b)

selective breeding

c)

cloning

d)

fertilization

22.

The human female reproductive system is represented below.

Which structure produces chemicals that regulate the reproductive cycle?

a)

A

b)

B

c)

C

d)

D

23.

The human male reproductive system is represented below. Which structure produces cells that have the potential to become gametes?

a)

A

b)

B

c)

C

d)

D

24.

When would exposure to a potentially harmful substance be most likely to damage many organs in a developing embryo?

a)

during the last three months of pregnancy

b)

during the early stages of pregnancy

c)

during the formation of the zygote

d)

during meiosis in both males and females

25.

A human cell that contains all of the information necessary for the growth and development of a complete organism is

a)

a sperm cell

b)

a gamete

c)

a zygote

d)

an egg cell

26.
  The direct (immediate) result of fertilization is represented at:  
a)
a
b)
b
c)
c
d)
d
27.
What is the function of sperm?
a)
conveys a chemical message to resceptors of the repropductive system.
b)
 to deliver a diploid number of chromosomes to the diploid egg
c)
provides necessary nutrients for the fetus
d)
transfer of genetic material
28.
The major function of the system is to  
a)
provide immunity essential for the survival of each individual in a population
b)
provide cells that are necessary for the survival of the species
c)
 produce chemical messages that are necessary for nerve cell development  
d)
control the passage of nutrients into and out of a developing fetus
29.
Testosterone directly affects the 
a)
formation of a zygote
b)
production of sperm cells
c)
changes within an ovary
d)
development of a placenta
30.

Which answer choice is NOT a type of asexual reproduction?

a)

budding

b)

fragmentation

c)

fertilization

d)

binary fission

31.

Rapid cell division that create a morula from a zygote.

a)

Gastrulation

b)

Cleavage

c)

Blastulation

d)

Differentiation

e)

Implantation

32.

Zygote undergoes mitosis 1 time to form 2 identical cells.

a)

Gastrulation

b)

Cleavage

c)

Blastulation

d)

Implantation

33.
Chimpanzees have 48 chromosomes in each normal body cell. How many chromosomes does a chimpanzee gamete contain?
a)
23
b)
24
c)
46
d)
48
34.
The diagram shows a developing fetus. Where does gaseous exchange between mother and fetus occur?
a)
A
b)
B
c)
C
d)
D
35.
Sexual reproduction involves the processes listed below. Which sequence represents the order in which these processes occur?
a)
A > B > C > D
b)
B > A > C > D
c)
C > B > D > A
d)
D > B > C > A
36.
Base your answer on the diagram below which represents a series of events in the development of a bird. Which series of terms best represents the sequence of processes shown?
a)
meiosis >  growth >  differentiation
b)
meiosis >  differentiation  > growth
c)
mitosis > meiosis > differentiation
d)
mitosis > differentiation > growth
37.
Which developmental process is represented by the diagram below?
a)
fertilization
b)
differentiation
c)
evolution
d)
mutation
38.
Which sequence represents the correct order of events for the formation and development of an embryo?
a)
meiosis > fertilization > cleavage  > differentiation
b)
cleavage > meiosis > differentiation >  fertilization
c)
differentiation > cleavage > meiosis > fertilization
d)
cleavage >  fertilization > differentiation > meiosis
39.
Most mammals have adaptations for
a)
internal fertilization and internal development of the fetus
b)
internal fertilization and external development of the fetus
c)
external fertilization and external development of the fetus
d)
external fertilization and internal development of the fetus
40.
The structure that makes nutrients most directly available to a human embryo is the
a)
gamete
b)
ovary
c)
stomach
d)
placenta
41.
In a rabbit, the embryo normally develops within the
a)
placenta
b)
uterus
c)
yolk sac
d)
umbilical cord
42.
What is an advantage of internal fertilization and development over external fertilization and development?
a)
there is a greater chance for genetic variation
b)
only one sperm is needed to fertilize the egg
c)
genes can pass directly from the mother to the embryo
d)
the chance for zygote survival is increased
43.
A particular species of shark normally reproduces sexually. In captivity, it was found that a female could also reproduce asexually. One negative result from asexual reproduction is
a)
increased gene recombinations
b)
decreased biodiversity within the species
c)
increased number of males produced
d)
decreased number of eggs used
44.
Substances can diffuse from the mother's blood into the fetal blood through the structure known as the
a)
amnion
b)
fallopian tube
c)
yolk sac
d)
placenta
45.
The development of an embryo is represented in the diagram below. These changes in the form of the embryo are a direct result of
a)
uncontrolled cell division and mutations
b)
differentiation and growth
c)
antibodies and antigens inherited from the father
d)
meiosis and fertilization
46.
Which is the normal sequence of events in the development of the embryo of an animal?
a)
gastrulation → fertilization → blastula formation → cleavage
b)
fertilization → cleavage → gastrulation → blastula formation
c)
cleavage → blastula formation → fertilization → gastrulation
d)
fertilization → cleavage → blastula formation → gastrulation
47.

a photograph or picture of chromosomes grouped in ordered pairs is a ______________

a)

pedigree

b)

Punnett Square

c)

Venn Diagram

d)

Karyotype

48.
This karyotype is taken from a  ________.
a)
female with Turner's syndrome
b)
male with Down's syndrome
c)
female with Down's syndrome
d)
normal female
49.
The human male reproductive system is represented below. Which structure produces cells that have the potential to become gametes?
a)
A
b)
B
c)
C
d)
D
50.
One function of the male reproductive system in mammals is to
a)
produce insulin necessary for sexual reproduction
b)
transport eggs necessary for fertilization
c)
allow for delivery of gametes needed for reproduction
d)
provide protection for the developing zygote

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