Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
| 1. | Applying lime to soil will: a. | raise the pH | c. | double the pH | b. | lower the pH
| d. | have no
effect | | | | |
|
|
| 2. | A
plant which is pot bound should be: a. | given more shade | c. | repotted | b. | grown in less
shade | d. | fertilized | | | | |
|
|
| 3. | Which
is a short day plant? a. | poinsettia | c. | begonia | b. | zinnia | d. | geranium | | | | |
|
|
| 4. | Which
is NOT a greenhouse pest? a. | ahpid | c. | whitefly | b. | tip-moth | d. | scale | | | | |
|
|
| 5. | In
general,
can be used with any other color in a floral arrangement. a. | red | c. | blue | b. | white | d. | yellow | | | | |
|
|
| 6. | The
pH scale ranges from 1.0 to
|
|
| 7. | When
using a soil sterilizer, the temperature should be set at: a. | 100 degrees F
for 4 hours | c. | 200 degrees F
for 1 hour | b. | 28o degrees F for 1 hour | d. | 180 degrees F for 20 minutes | | | | |
|
|
| 8. | Watering of container grown plants should be done: a. | once a
day | c. | when the soil
feels dry to the touch | b. | on a regular schedule | d. | when the plants become wilted | | | | |
|
|
| 9. | Which
of following statements is NOT true? a. | rooting is the production of roots by a
cutting | c. | stomates are the
breathing pores in the epidermis of a leaf | b. | a seed is the embryo of a plant | d. | transpiration is the process by which plants produce
carbohydrates | | | | |
|
|
| 10. | A
seedling disease that attacks young plants at ground level and causes them to topple over
is: a. | crown
gall | c. | damping-off | b. | stick blight | d. | powdery mildew | | | | |
|
|
| 11. | Which
if the following is perennial? a. | Chrysanthemum | c. | Zinnia | b. | Marigold | d. | Wax
Begonia | | | | |
|
|
| 12. | Two
warm colors are: a. | blue and
green | c. | yellow and
blue | b. | white and
blue | d. | red and
yellow | | | | |
|
|
| 13. | A
pest management technique that utilizes biological, mechanical, cultural, genetic, and chemical
methods is:
|
|
| 14. | Plants that germinate from seed, grow to maturity, flower and produce seed in one
growing season are called: a. | biennials | c. | perennials | b. | annuals | d. | evergreens | | | | |
|
|
| 15. | The
loss of water from a plant through the leaves in the form of water vapor is: a. | photosynthesis | c. | condensation | b. | respiration | d. | transpiration | | | | |
|
|
| 16. | An
example of a complete fertilizer whould be: a. | ammonium nitrate | c. | 10-10-10 | b. | 14-7-0 | d. | potash | | | | |
|
|
| 17. | A
plant's growth toward light is called: a. | photoperiodism | c. | phototropism | b. | geotropism | d. | apical
dominance | | | | |
|
|
| 18. | Which
house plant can take the most neglect? a. | African violet | c. | Wandering Jew | b. | Snake
plant | d. | Begonia | | | | |
|
|
| 19. | Too
much nitrogen applied to a crop will probably cause: a. | poor vegetative
growth and induce flowering | c. | increased
vegetative grwth and increased flowering | b. | poor vegetative growth and inhibit
flowering | d. | increased
vegetative growth and reduced flowering | | | | |
|
|
| 20. | A
parasitic wasp is a(n): a. | beneficial insect | c. | pest of marigolds | b. | greenhouse
pest | d. | insect that
feeds on wasps | | | | |
|
|
| 21. | A
fertilizer bag reads 14-7-14, the 7 stands for: a. | 7% phosphorus | c. | 7% potassium | b. | 7 lbs.
phosphorus | d. | 7 lbs.
potassium | | | | |
|
|
| 22. | The
scientific name of Painted Daisy is Chrysanthemum coccineum. The first word in the name
is the: a. | genus | c. | phylum | b. | species | d. | class | | | | |
|
|
| 23. | Lynn
raises plants in his greenhouse in a nutrient solution instead of soil. This type of production
method is known as: a. | horticulture | c. | subirrigation | b. | hydroponics | d. | water
suspension | | | | |
|
|
| 24. | Which
of the following should b placed in a hotbed to raise the soil temperature? a. | pine
bark | c. | fresh
manure | b. | peat moss | d. | decomposed manure | | | | |
|
|
| 25. | Which
of the following is a mark of quality when it appears beside the name of a bedding
plant? a. | Integrated Pest
Management | c. | Susceptible | b. | Greater American Selection | d. | Amm American Selection | | | | |
|