CHOSE THE LETTER
1. In an angiosperm, pollen grains are produced in the
a. filament.
b. anther.
c. carpel.
d.stigma.

2. In dicot plants, secondary growth
a. produces bark and wood.
b. results from an increase in the primary xylem and phloem.
c. changes primary xylem and phloem to secondary xylem and phloem.
d. makes the roots longer.

3. In the meristem regions of plants, you would expect to find
a. dividing cells.
b. companion cells.
c. inactive cells.
d. reproductive cells.

4.Some plants reproduce vegetatively by producing
a. pollen
. b. seeds.
c. flowers.
d. plantlets.

5.What type of hormones affects plant growth and the development of fruits and seeds?
a.auxin
b. gibberellin
c. ethylene
d. cytokinin
6.A period during which the embryo of a seed is alive but not growing is
a.fruit production
. b. germination.
c. seed production.
d. dormancy.

7. Vascular bundles are
a. surrounded by pith in monocot stems
. b. scattered throughout dicot stems.
c. surrounded by parenchyma in both monocot and dicot stems.
d. found in only dicot roots.

8. Angiosperms produce seeds inside protective structures called
a. petals.
b. pollen grains.
c. ovaries.
d. cones.

9.The primary growth of a stem
a. is produced by cell division in the cambium
. b. is produced by cell division in the xylem and
phloem.
c. increases the width of the stem
. d. increases the length of the stem.

10. Oxygen and carbon dioxide diffuse in and out of a leaf through the a. guard cells
. b. phloem.
c. stomata.
d. palisade mesophyll.