BSCS Biology: A Molecular Approach

Chapter 11: Plant Growth and Development

Control of Growth and Development

1.
Compounds that function in plants somewhat as hormones do in animals are known collectively as ___.
A)auxins
B)plant growth regulators
C)cytokinins
D)epidermal regulators
2.
A fungal infection in rice plants caused the discovery of this plant growth regulator.
A)gibberellins
B)auxins
C)cytokinins
D)abscisic acid
3.
The addition of low concentrations of auxins would make this plant cutting develop what useful feature?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078664276/281029/ccq_u2_ch11_q3.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (13.0K)</a>
A)leaves
B)a stem
C)flowers
D)roots
4.
This type of PGR stimulates the growth of lateral branches and inhibits the formation of lateral roots.
A)gibberellins
B)auxins
C)cytokinins
D)ethylene
5.
___ can induce leaves, fruit, and flowers to drop from an aging plant.
A)auxins
B)gibberellins
C)cytokinins
D)ethylene
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.