Science Bowl

BIOLOGY

Biology - 34

BIOL-91; Multiple Choice:  The nervous system develops from which germ layer? 

a)  ectoderm
b)  mesoderm
c)  endoderm
d)  none of the above

ANSWER:  A -- ECTODERM

BIOL-91; Multiple Choice:  During inspiration, the diaphragm moves: 

a)  down by contraction
b)  down by relaxation
c)  up by contraction
d)  up by relaxation

ANSWER:  A --  DOWN BY CONTRACTION

BIOL-91; Multiple Choice:  The valve between the right ventricle and the pulmonary artery is the:

a)  mitral valve
b)  semilunar valve
c)  bicuspid valve
d)  tricuspid valve

ANSWER:  A -- SEMILUNAR VALVE

BIOL-91; Multiple Choice:  Which of the following is NOT a function of the kidney?

a)  excretion of urea
b)  regulation of fluids and electrolytes
c)  elimination of toxic substances
d)  defecation

ANSWER:  D -- DEFECATION

BIOL-91; Multiple Choice:  When CO2 (carbon dioxide) is dissolved in water, i yields a solution
that:

a)  has acidic properties
b)  has basic properties
c)  is neutral

ANSWER:  A -- HAS ACIDIC PROPERTIES

BIOL-91; Multiple Choice:  Digestion of carbohydrates begins where?