Science Bowl

BIOLOGY

Biology - 53

BIOL-92; Multiple Choice:  Which of the following human digestive enzymes is incorrectly
matched to its substrate?

a) pepsin - protein
b) trypsin - starch

(pron: TRIP-sin)

c) pancreatic amylase - starch (pron: AM-i-lase)
d) lipase - fat
e) maltase - maltose.

ANSWER:  B -- TRYPSIN - STARCH

BIOL-92; Multiple Choice:  Which of the following statements does NOT apply to arteries when
comparing them to veins:

a) have thick walls
b) carry blood away from heart
c) highly elastic walls
d) have valves.

ANSWER:  D -- HAVE VALVES

BIOL-92; Multiple Choice:  In general, valves in the circulatory system: 

a) permit blood to circulate rapidly
b) prevent blood from moving too rapidly
c) prevent blood from flowing in the wrong direction
d) stop the circulation whenever necessary

ANSWER:  C -- PREVENT BLOOD FROM FLOWING IN THE WRONG

DIRECTION 

BIOL-92; Multiple Choice:  At the end of the ventricular contraction, the maximum arterial
pressure is attained, and blood flow is most rapid.  This is correctly termed the:

a) arterial maximum
b) gluteus maximum
c) diastolic pressure
d) systolic pressure

ANSWER:  D -- SYSTOLIC PRESSURE