Life Science

Chapter 22: Regulation and Reproduction

Standardized Test Practice

1.
According to the information in the graph, in which year was the syphilis rate the highest?

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A)1973
B)1982
C)1990
D)1993
2.
When do males begin producing sperm?
A)before birth
B)during puberty
C)during infancy
D)during childhood
3.
An egg is released from an ovary about once per month in a process called
A)implantation.
B)fertilization.
C)menstruation.
D)ovulation.
4.
Which of the following glands is found in the abdomen?
A)pineal
B)adrenal
C)pituitary
D)thyroid
5.
In a study done in Europe in 1991, one group of pregnant women was given extra folic acid, and the other group did not receive extra folic acid. What can you conclude based on the data in this table?

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A)Pregnant women should avoid foods with folic acid.
B)Pregnant women should take mega doses of folic acid.
C)Pregnant women should take multivitamins that lack folic acid.
D)Pregnant women should take a folic acid vitmain supplement.
6.
What does the illustration show?

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A)the stages of implantation
B)the stages of development
C)the stages of fertilization
D)the stages of the menstrual cycle
7.
On which day does menstruation begin?

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A)Day 7
B)Day 14
C)Day 1
D)Day 28
8.
Identical twins result from
A)one egg that has been fertilized by two sperm.
B)two eggs that have been fertilized by one sperm.
C)one egg that has been fertilized by one sperm.
D)two eggs that have been fertilized by two sperm.
9.
Adolescence usually begins around age
A)1.
B)6.
C)12.
D)18.
10.
Which of the following glands is attached to the brain?
A)adrenal gland
B)pancreas
C)pituitary gland
D)thymus
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