Science Bowl

BIOLOGY

Biology - 8

BIOL-91; Multiple Choice:  The immune system normally discriminates between which types of
antigens.

a)  B and T cells
b)  self and non-self
c)  humoral and cell-mediated
d)  primary and secondary

ANSWER:   B -- SELF AND NON-SELF

BIOL-91; Short Answer:  Proteins that cause reactions to proceed more rapidly and lower the
energy of activation are called.

ANSWER:  ENZYMES

BIOL-91; Multiple Choice:  What percent of the total radiant energy received by a plant is
converted to chemical energy?

a)  less than 2
b)  10
c)  50
d)  75

ANSWER:   A -- LESS THAN 2

BIOL-91; Multiple Choice:  Genes are able to control a cell's fate by determining the synthesis of:

a)  other genes
b)  enzymes
c)  carbohydrates
d)  fat

ANSWER:   B -- ENZYMES

BIOL-91; Multiple Choice:  Resolution by any microscope is ULTIMATELY limited by the:

a)  curvature of the lenses
b)  wavelength of the light
c)  light intensity
d)  lens aberrations

ANSWER:   B -- WAVELENGTH OF THE LIGHT