Focus On Life Science: California Grade 7

Chapter 13: The Human Reproduction System

Standards Review

1.
What is the function of the scrotum? 5.d
A)produce hormones that control sperm production
B)protect the egg as it develops
C)hold the testes outside the body at the proper temperature for sperm production
D)transport sperm to the urethra
2.
Which is the storage organ for sperm? 5.d
A)scrotum
B)epididymis
C)seminal vesicles
D)vas deferens
3.
What is ejaculation? 5.d
A)storage of sperm in the urethra
B)the movement of sperm out of the penis
C)production of sperm in the epididymis
D)the movement of sperm out of the penis
4.
What two structures make the liquid in semen? 5.d
A)seminal vesicles and prostate gland
B)bladder and epididymis
C)penis and bladder
D)prostrate gland and urethra
5.
When does egg production begin in females? 5.d
A)during sexual activity
B)at puberty
C)before she is born
D)when sperm enters the vagina
6.
Where does fertilization usually occur? 5.d
A)cervix
B)fallopian tube
C)vagina
D)uterus
7.
How does the egg reach the uterus? 5.d
A)Blood carries the egg to the uterus.
B)It moves due to gravity pulling it down.
C)The tail, or flagellum, of the egg moves it forward.
D)Cilia in the fallopian tube move the egg.
8.
What is a follicle? 5.d
A)the lining of the uterus during pregnancy
B)a fertilized egg before it exists the ovary
C)and egg cell and its surrounding cells
D)the structures that move an egg through the fallopian tube
9.
Which is NOT part of the menstrual cycle? 5.d
A)Sperm are inserted into the vagina, from which they swim to the ovary, triggering the start of the cycle.
B)An egg cell breaks through the wall of an ovary during ovulation and moves into a fallopian tube.
C)The endometrium thickens to prepare for possible fertilization.
D)If the egg is not fertilized, the endometrium breaks down and flows out of the body during the menstrual period.
10.
How long is the average pregnancy? 5.d
A)38 weeks
B)1 year
C)6 months
D)97 days
11.
Which is the last of the organs to fully develop in a human baby? 5.d
A)liver
B)brain
C)heart
D)lungs
12.
Which of the following describes the placenta? 5.e
A)After birth, it is severed where it is attached to the baby. The connection becomes the belly button.
B)It contains a great number of blood vessels from the mother and the fetus
C)It produces hormones that regulate the reproductive cycle.
D)It is a thick, muscular organ inside which the fertilized egg develops.
13.
Which of the following helps to prevent spinal cord defects? 5.e
A)calcium
B)ascorbic acid
C)folic acid
D)vitamin E
14.
What is prenatal care? 5.e
A)It is the help given to a new mother before she takes her baby home from the hospital.
B)It is the care given to babies who are born prematurely.
C)It is medication given to young girls before they reach puberty.
D)It is health care designed to protect the health of a pregnant woman and the developing fetus.
15.
Which is NOT a possible outcome of a pregnant woman being exposed to environmental factors? 5.e
A)miscarriage
B)low birth weight
C)premature birth
D)having twins
Grade 7
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