11-20

Question 1

Which best describes homeostasis?

A. A functional system of the body
B. Blood flow to every cell in the body
C. A relatively constant environment within the body
D. Neural pathways that have integrated into the body

Answer 1

C. A relatively constant environment within the body

Question 2

Fertilization (the fusing of one sperm and an ovum) results in a(n)

A. Embryo
B. Fetus
C. Infant
D. Zygote

Answer 2

D. Zygote

Question 3

Which of the following are included in the male reproductive system?

A. The penis and epididymus
B. The vas deferens and uterus
C. The penis and fallopian tubes
D. The penis, scrotum, and cervix

Answer 3

A. The penis and epididymus

Question 4

What structure plays a role in air conduction?

A. Alveolus
B. Capillary
C. Lung
D. Trachea

Answer 4

D. Trachea

Question 5

What body system is the skeletal system most closely associated with when hematopoiesis happens?

A. Urinary system
B. Digestive system
C. Muscular system
D. Cardiovascular system

Answer 5

D. Cardiovascular system

Question 6

What is the final structure through which urine must travel to empty out of the body?

A. Bladder
B. Kidney
C. Ureter
D. Urethra

Answer 6

D. Urethra

Question 7

Which sequence describes the hierarchy level of biological organization?

A. Kingdom, phylum, class, order, family, genus, and species
B. Genus, class, kingdom, species, order, phylum, and family
C. Family, species, genus, kingdom, class, and phylum
D. Species, kingdom, genus, class, family, phylum, and order

Answer 7

A. Kingdom, phylum, class, order, family, genus, and species

Question 8

Which example is a part of the scientific method?

A. A student reads about a new way to harness energy from the sun.
B. A researcher studies the effects of car exhaust on how people breathe
C. The researcher analyzes how many plants respond well to a new fertilizer
D. A student discovers how insulin plays a role in the development of diabetes

Answer 8

C. The researcher analyzes how many plants respond well to a new fertilizer

Question 9

What standard is used to make comparisons in experiments?

A. Sample size
B. Control group
C. Dependent variable
D. Independent variable

Answer 9

B. Control group

Question 10

Why did it take many years for the cell theory to be developed?

A. Advancements in microscopy took place slowly
B. Cells were difficult to isolate for experimental analysis
C. Researchers believed a cell formed from preexisting cells
D. Scientists already proved that cells were essential for life

Answer 10

A. Advancements in microscopy took place slowly