Download 2008 nursery and landscape cde

2008 NURSERY AND LANDSCAPE CDE
Knowledge Test
Identify the letter of the choice that best completes the statement or answers the question.
Completely shade in the corresponding letter on the Scantron answer sheet. Middle
School participants will answer questions 1-15. High school participants answer all 25
questions.
1. Training plants into three-dimensional ornamental forms, such as animals, is called
a) Bonsai
b) Espalier
c) Thinning
d) Topiary
2. The stamen of a flower is comprised of
a) Anther and filament
b) Filament and ovary
c) Petal and sepal
d) Stigma and style
3. Monocot stems have their xylem and phloem arranged in
a) Axial rays
b) Bundles
c) Cross section
d) Dissection
4. A good example of a tuber is a
a) Flower
b) Tomato
c) Onion
d) Potato
5. Phloem tissue in a stem
a) Conducts manufactured food down to the roots
b) Conducts water and minerals up to the leaves
c) Is non-living tissue and considered bark
d) Stores sugar and water in the stem center
6. What is the percent of potassium in a 16-4-8 fertilizer?
a) 4
b) 8
c) 16
d) 28
7. The primary function of leaves is
a) Cambium production
b) Photosynthesis
c) Transpiration
d) Respiration
8. An IDEAL soil is composed of ____% mineral matter.
a) 5
b) 25
c) 45
d) 50
9. The process of photosynthesis produces sugar and oxygen from_________________
and _______________________ in the presence of light.
a) Boron and water
b) Carbon dioxide and water
c) Nitrogen and water
d) Sulfur and water
10. After a heavy rain, the water left in the soil available to plant roots is
a) Capillary
b) Gravitational
c) Hygroscopic
d) Saturated
11. Seeds are composed of
a) Lenticel, stomata and ligule
b) Radicle, plumule and seed coat
c) Root, shoot and leaf
d) Seed coat, endosperm and embryo
12. If a soil’s pH is measured as neutral, its pH is noted as
a) 3
b) 7
c) 10
d) 14
13. Pinching poinsettias is a process of removing
a) Bracts
b) Fruits
c) Flower buds
d) Terminal buds
14. The major function of root hairs on a plant is
a) Absorption of water
b) Anchorage of the plant
c) Food manufacture
d) Storage of food
15. When cleft grafting a plant, the top piece is the
a) Cambium
b) Rootstock
c) Scion
d) Understock
_______________________________________________________________________
Middle School students are done with the exam at question number 15. High School
students must complete all 25 questions of the exam.
________________________________________________________________________
16. The correct way to write the Latin name of a plant is
a) Family, genus, species
b) Family, order, genus
c) Genus, species, cultivar
d) Phylum, genus, cultivar
17. The best time to prune plants that flower only one time per year would be
a) Fall
b) Just after flowering
c) Just before flowering
d) Spring
18. Nitrogen is absorbed by plants in two forms
a) Formaldehyde and nitrate
b) Nitrate and ammonium
c) Sulfate and phosphate
d) Urea and superphosphate
19. The nutrient most associated with strong root, shoot and flower development is
a) Iron
b) Nitrogen
c) Phosphorus
d) Sulfur
20. The biological control agent Bacillus thuringiensis is used to manage
a) Aphids
b) Caterpillars
c) Grasshopper
d) Scales
21. B-nine is a commercially used chemical that
a) Causes plants to bloom sooner
b) Helps cuttings root faster
c) Makes plants stretch
d) Shortens or dwarf plants
22. The method of combining a variety of strategies to manage pests on plants is called
a) Non-chemical control
b) Integrated pest management
c) Biological control
d) Systemic insecticides
23. Which are micronutrients?
a) Boron, potassium, molybdenum
b) Calcium, nitrogen, phosphorus
c) Iron, manganese, zinc
d) Magnesium, copper, chlorine
24. Buds found on stem tips are called
a) Terminal buds
b) Lateral buds
c) Petioles
d) Nodes
25. An example of an evergreen tree is a
a) Bald cypress
b) Laurel oak
c) Red maple
d) Slash pine