Tree Hormones Test

Tree Hormones Test
Please fill out your email address in the first box and your name, ISA cert. no. & specialty in the second box. Answer the questions below and when you are finished, press submit.

Email Address :
Name :

Question: 1. Hormones seem to be concentrated in:
cells.
meristems and buds
tissues.
all of the above.

Question: 2. :Auxin:
stimulates cambium cells to divide.
tends to inhibit the activation of buds lower on the stems.
promotes lateral and adventitious root development.
all of the above.

Question: 3. Auxin can also:
discourage other hormone production.
suppress leaf abscission.
elongate a cell to bend toward a light source.
all of the above.

Question: 4. Cytokinins are:
necessary for cells to divide and differentiate.
toxic in large concentrations.
found in synthetic herbicides.
all of the above.

Question: 5. Gibberellins:
enhance the effects of herbicides.
promote genetic dwarfism.
effect monocots.
promote rapid elongation and division of stem tissue.

Question: 6. PBZ:
promotes growth.
counters the apical dominance effect.
.reduces the growth of many species.
promotes flower initiation.

Question: 7. Abscissic acid:
inhibits genetic dwarfism.
promotes leaf abscission.
promotes growth.
inhibits growth activities in times of environmental stress.

Question: 8. Ethylene:
promotes flower initiation.
enhance the effects of herbicides.
effects monocots only.
is a fruit ripener.

Question: 9. Brassinolides:
promote differentiation of xylem tissue and retard leaf abscission.
promote genetic dwarfism.
are used as analgesics.
all of the above.

Question: 10. Oligosaccharins:
prevent wounding.
defend against pathogens.
activate defense genes.
all of the above.

_{On-Line-Seminars.com}