Read each question and choose the correct answer.

1. Which of the following sequences shows the correct order of events that occur after an insect brings pollen to a flower?

germination, fertilization, pollination
fertilization, germination, pollination
pollination, germination, fertilization
pollination, fertilization, germination

2. A houseplant that is bending toward a sunlit window is

displaying a positive tropism.
displaying a negative tropism.
undergoing genetic change.
showing a seasonal effect.

3. Pollination occurs when pollen grains are transported from ____ to ____.

anthers; stigmas
stigmas; anthers
sepals; styles
styles; sepals

4. Asexual reproduction in plants does NOT involve the formation of

flowers.
seeds.
fruits.
All of the above

5. The kalanchoe plant reproduces by means of ____ along the margins of its leaves.

buds
veins
eggs
plantlets

6. To produce food, a plant needs

oxygen.
sunlight.
sugar.
All of the above

7. Chlorophyll absorbs

water.
carbon dioxide.
light energy.
oxygen.

8. The sugar made and used by plants is made in the

roots.
stem.
leaves.
flowers.

9. An example of long-day plants are

ragweed.
poinsettias.
clover.
chrysanthemums.

10. When the stomata on a leaf are open, ____ diffuses into the leaf.

oxygen
carbon dioxide
water
chlorophyll