Download Sample Exam 1 - Gardening Solutions

Sample Exam 1
Botany Section
1. Match each of the following specialized tissues with its function.
a.
b.
c.
d.
meristem
xylem
phloem
parenchyma
........... food storage tissue
........... site of cell division and growth
........... water transport
........... food transport
2. The main functions of plant roots are absorption of water and nutrients and as anchorage for aboveground plant parts.
a. True
b. False
3. Dicots have two cotyledons in the seed, net-veined leaves and flower parts typically in multiples
of four or five.
a. True
b. False
4. Photosynthesis occurs only in the green cells of plants.
a. True
b. False
5. Inflorescence is a general term for the arrangement of leaves on a plant.
a. True
b. False
Soils Section
6. Which of these essential nutrients is supplied as a primary nutrient in an application of a complete
fertilizer?
a. Potassium
b. Iron
c. Manganese
d. Molybdenum
e. Chlorine
f. Calcium
7. This expression indicates the acidity or alkalinity of a soil.
a. C.E.C.
b. pH
c. Soluble salts
d. Extractable Ca
8. Natural organic materials primarily supply this nutrient in commercial fertilizers?
a. Nitrogen
b. Phosphorus
c. Potassium
d. Sulfur
9. It is important to know soil pH because:
a.
b.
c.
d.
pH governs availability of certain nutrients to the plant
It affects the activity of bacterial and fungal organisms
Certain elements can be toxic to plants at certain pH levels
All of the above
10. Palm trees growing in the home landscape which exhibit a yellowish chlorotic appearance along the
edges and ends of the fronds with a dark green inverted "V" along the interior near the base of the
fronds are suffering from a deficiency of magnesium. This can be corrected by applying 1 to 5
pounds (depending on the size of the tree) of around the drip zone of the tree.
a. Epsom Salts
c.
b. Ammonium nitrate
d.
Potassium chloride (magnesium sulfate)
High cal lime
-1revision date: July 2005
11. You should not add lime or sulfur to your soil until you've had a pH and lime requirement test.
a. True
b. False
12. Most species of plants will do fine in a pH range of 5.0 to 6.5.
a. True
b. False
13. All fertilizer materials with sulfate in the name will lower pH.
a. True
b. False
14. Since Ca and Mg are essential plant nutrients, lime should be applied to all soils regardless of soil pH.
a. True
b. False
15. Calcium is an important nutrient in the growth and production of tomatoes in a home garden.
a. True
b. False
Entomology
16. Sooty mold is a pathogenic fungus growing on plants.
a. True
b. False
17. The first instar of a scale is called a crawler.
a. True
b. False
18. Adult aphids usually are wingless, but winged forms are produced when colonies become overcrowded
or the host plant is undesirable.
a. True
b. False
19. Thrip damage appears as spots and webbing on leaves.
a. True
b.
False
20. Chinch bugs damage turf by chewing holes in the grass blades.
a. True
b. False
21. Aphid damage appears as:
a. Leaf curl and/or distorted flower buds c. Stippled areas
b. Chlorotic spots
d. b and c
22. Serpentine and blotch are two names associated with:
a. Thrips
b. Caterpillars
c. Grasshoppers
d. Leafminers
23. Under optimum conditions, spider mites can complete their life cycle in:
a. 3-5 days
b. 7-10 days
c. 10-14 days
d. 2-3 weeks
24. Shiny black spots of excrement on undersides of azalea leaves would probably indicate an infestation
of:
a. Flea beetles
b. Azalea defoliators (caterpillars)
c. Lacebugs
d. Spider mites
25. Which of the following has chewing mouthparts?
a. Grasshoppers
b. Aphids
c. Adult moths
d. Thrips
-2revision date: July 2005
Landscape Horticulture
26. Frequent and light waterings encourage deep root systems on grass plants.
a. True
b. False
27. St. Augustine grass seed should be planted in spring or summer.
a. True
b. False
28. Centipede grass has very low tolerance to nematodes.
a. True
b. False
29. Floratine is the most chinch bug resistant variety of St. Augustine grass.
a. True
b. False
30. Thatch is an excessive accumulation of grass stems and roots which is present above the soil line, but
beneath the actively growing green vegetation.
a. True
b. False
31. Azaleas should be pruned in early spring, before shoot growth begins, for maximum flowering.
a. True
b. False
32. You should transplant existing trees and shrubs growing in the landscape from one location to another
during the dormant season or a growth flush have hardened off.
a. just after
b. just before
33. To increase soil pH, hydrated lime is recommended over ground limestone or dolomite because it is less
likely to "burn" plants.
a. True
b. False
34. When staking and guying a newly planted tree, stakes and guy wires should prevent any movement of
the tree trunk.
a. True
b. False
35. Mulches do not need to be applied more than 3 inches deep.
a. True
b. False
Vegetables
36. Which one of the following four vegetables is least likely to produce well in Florida? (Circle one)
a. Tomato
b. Rhubarb
c. Corn
d. Cucumber
37. Bees are not required to pollinate flowers of which one of these vegetables:
a. Tomato
b. Cucumber
c. Squash
d. Watermelon
38. The practice of pruning tomatoes is done primarily to increase size of fruits.
a. True
b. False
39. Which one of the following common tomato varieties is best suited for ground culture (non-staking)?
a. Solar Set
b. Manalucie
c. Better Boy
d. Micro-Tom
-3revision date: July 2005
40. It is not wise to plant 2 types of corn next to each other in a garden since they may cross and produce
off-types.
a. True
b. False
41. Which one of the following statements does not apply to a mulch as used in the garden?
a. Placed on the soil surface
b. Applied to supply plant nutrients
c. Helps control weeds
d. Helps conserve soil-moisture
42. If a variety is said to be resistant to a specific disease it means the plant will never get the disease.
a. True
b. False
43. A gardener wants to know why a particular kind of vegetable is not growing satisfactorily in his garden.
Which of the following four questions should you as an Extension worker ask first to determine the
reason for plant failure?
a. How deep were the seeds planted?
b. How much fertilizer was used?
c. How much water was used?
d. What is the variety name?
44. The term "cool season", when applied to vegetables, means the vegetable plant will not be damaged at
below freezing temperatures.
a. True
b. False
45. Tomato blossom-end rot is caused by:
a. Lack of bees
b. Calcium deficiency
c. Nitrogen deficiency
d. Fusarium fungus
Fruit Crops
46. Be sure to remove all weeds immediately adjacent to the trunk of citrus trees as these could harbor
fungus organisms which could damage or kill the tree.
a. True
b. False
47. When several fruit trees are planted in the dooryard they should be separated by a distance of:
a. 20-25 feet
b. 5-10 feet
c. 30-40 feet
d. 50-60 feet
48. The separation lines between climatic zones in Florida are not rigid and should be considered as
transition zones.
a. True
b. False
49. Which of the following requires an acid soil of pH 3.5-5.2?
a. Avocado
b. Loquat
c. Peach
d. Blueberry
50. Temperatures below 45 degrees Fahrenheit or 7 degrees Centigrade and above freezing are known as
chilling temperatures.
a. True
b. False
51. A black growth found on leaves and fruit of many fruiting plants following infestations of scale insects
and aphids is known as:
a. Scab
b. Anthracnose
c. Sooty mold
d. Greasy spot
-4revision date: July 2005
52. Rough, wart-like lesions on fruit and leaves of certain varieties of citrus (such as Temple orange,
lemons and some tangelos) are caused by a fungus disease known as:
a. Melanose
b. Greasy spot
c. Scab
d. Alternaria
53. The most critical ingredient for the successful growth of a young fruit tree is:
a. Fertilizer
b. Water
c. Insect control
d. Disease control
54. Fruit trees that are not locally adapted usually will not produce fruit regardless of the amount of care.
a. True
b. False
55. Citrus trees rarely need pruning except for sprout removal.
a. True
b. False
56. The single most limiting factor in fruit tree growth and production is weather.
a. True
b. False
57. From the list below, select 3 tropical fruit trees which are very sensitive to cold weather.
a.
b.
c.
d.
Papaya
Peach
Apple
Mango
e. Persimmon
f. Loquat
g. Macadamia
58. Deciduous fruit trees are not well-adapted to Central and South Florida due to inadequate winter
chilling.
a. True
b. False
59. Select three deciduous (temperate) fruit trees which will grow in Florida if the proper varieties are
selected.
a.
b.
c.
d.
Citrus
Peach
Apple
Mango
e.
f.
g.
Avocado
Papaya
Blueberry
60. Match the varieties listed below with the proper fruit type.
Example: Parson Brown A
1. Hamlin
2. Valencia
3. Dancy
4. Robinson
a……..Sweet orange
b ......... Grapefruit
c.......... Tangerine or tangerine
d ......... hybrid
Insects - Vegetables
61. One of the most damaging soil insects that can be found in the home garden is the:
a. Corn earworm
b. Burrowing stinkbug
c. Mole cricket
d. Mexican bean beetle
e. Cabbage Looper
62. Soil insects usually become a problem when the garden is planted after:
a. Shrubs and ornamentals
b. Trees
c. Grass crops
d. Annual flowers
-5revision date: July 2005
63. The two major types of mouthparts possessed by insects that damage foliage and stems in home
gardens are:
a. Siphoning and piercing - sucking
b. Chewing and piercing-sucking
c. Rasping and chewing
d. Lapping and chewing
64. The two miners that attack Florida vegetable crops most often are:
a. Potato & bean miner
b. Corn earworm &
leaf miner
serpentine
c. Tomato pinworm & squash vine borer
leaf miner
d. Tomato pinworm &
serpentine
65. Insects that are probably the most damaging to vegetables are those that:
a. Feed on leaves
b. Feed on stems
c. Feed on pods and fruits
d. Feed on flowers
66. Insects with piercing - sucking mouthparts cause damage by:
a.
b.
c.
d.
Removing plant juices
Causing growth distortions by injecting foreign enzymes
Transmission of plant viruses
All of the above
67. The corn earworm is hard to control because:
a.
b.
c.
d.
It drills a hole in the side of the ear
It is a severe pest in Florida's warm weather
The female is very prolific in laying eggs on growing silks
It sees the sprayer coming and hides
68. The proper time to put out baits for cutworms is:
a.
b.
c.
d.
Early morning when dew is on the ground
The middle of the day after plants have dried out
Just before irrigating
Late afternoon and early evening
69. Which of the following is not a true insect?
a. Spider mite
b. Leafhopper
c. Looper
d. Beetle
70. Perhaps the best choice for application of insecticides in the home garden is:
a. The hose-attachment sprayer
b. The compressed air sprayer
c. The trombone sprayer
d. A duster
71. In general, wettable powders are safer to use on plants than emulsifiable concentrates:
a. True
b. False
Diseases
72. A disease can be defined as an abnormal change in the structure, appearance or function of a plant as
demonstrated by plant symptoms.
a. True
b. False
73. Free moisture and a wet plant surface are necessary environmental conditions for viruses but not fungi
and bacteria to cause disease.
a. True
b. False
-6revision date: July 2005
74. Pathogens are living organisms that cause disease in plants and can be bacteria, fungi, viruses,
occasionally other plants, and other classes of microbes.
a. True
b. False
75. Remembering how fungi infect plants to cause disease, the practice of late evening watering will favor
foliar disease development.
a. True
b. False
76. Viral diseases are spread primarily by:
a. Aphid and Whitefly feeding
b. Wireworm feeding
c. Grasshopper feeding
d. Wind
77. Severe disease problems are best controlled in the yard and garden by which two-step process?
a.
b.
c.
d.
Handpicking of diseased plant tissue and fertilization.
Fertilization and watering.
Fertilization and fungicide application.
Handpicking of diseased plant tissue and fungicide application.
78. Viral diseases that occur in the yard and garden can be controlled by:
a. Fungicide sprays
b. Diseased plant removal
season
c. Spraying insecticides
d. Crop rotation in the next garden
79. Control of plant diseases is done with the use of which of the following control techniques:
a.
b.
c.
d.
e.
Buying disease-free plants and seed.
Fumigating garden soil
Using fungicides to protect healthy plants
Choosing disease resistant or tolerant plant varieties
All of the above.
80. Sooty mold:
a. Is a black fungus that grows on honeydew secreted by insects such as soft scales, mealy bugs
and whiteflies
b. Interferes with photosynthesis
c. Attracts ants
d. None of the above
e. All of the above
81. Fungicides used by the homeowner to control fungal diseases of vegetables include Malathion and oil.
a. True
b. False
82. All green plant material from a cover crop or previous garden crops should be well rotted before
seeding or planting the vegetable garden.
a. True
b. False
83. All rust diseases are similar in appearance and appear as:
a.
b.
c.
d.
Large target-like leaf spots
White fungus on the leaf surface
Pustules or blisters on the leaves that are red to yellow
Angular leaf spots with straight sides
84. Wilt diseases of vegetables, like tomato wilts, are diagnosed easily by two common symptoms:
a. Yellow leaves and leaf spots with brown or yellow “halos”
b. Wilting plants and fruit rots
-7revision date: July 2005
c. Rotten roots and yellow leaves
d. Wilted plants with brown discoloration inside the cut open stems at the soil line
85. Powdery mildews on vegetables and ornamentals are easily recognized by:
a.
b.
c.
d.
The powdery white growth of fungus on foliage
Lower leaf yellowing
Large leaf spots with yellow borders
By branch diebacks
86. Turf disease diagnosis is very difficult because disease symptoms on turf grasses are very similar
among diseases and basically nondescript.
a. True
b. False
87. The use of pruning offers no control of dieback or canker types of disease in ornamentals.
a. True
b. False
88. The application of nitrogen to a lawn through general fertilization will often perform to control Dollar
Spot disease on turf grasses as well as a fungicide application.
a. True
b. False
89. Certain diseases like fire blight of ornamentals are caused by pathogens that may be widespread ones
the plant. To avoid further spread, pruning affected plants requires:
a.
b.
c.
d.
Flaming the cut stubs of branches
Using different pruning tools for each tree
Disinfecting pruning knives or shears in alcohol or bleach between cuts
Pruning only in winter
90. Pythium and Phytophthora water fungi cause common root rots of ornamentals that can be recognized
by:
a.
b.
c.
d.
A wet, mushy root appearance and the 'stripping` of outer root tissue
White fungus under the bark of roots
Their occurrence under dry soil conditions
The absence of plant roots
91. Control of foliar diseases of ornamentals is best achieved by:
a.
b.
c.
d.
Removal of diseased tissue followed by fungicide application
Applications of appropriate fungicides
Avoidance of night watering coupled with fertilization
Fertilization removal of diseased tissue
Nematology
92. When preparing a garden plot for fumigation or solarization, the area should be thoroughly tilled at
least 2 to 3 weeks before treatment. Why?
a. To allow the soil to dry out enough for the chemical or heat to move through the soil pores
b. To cut up roots and allow time for them to begin to rot before treatment, so no nematodes will
be protected from the chemical or heat by being inside root tissue
c. To activate the nematodes
d. To encourage insects to come to the surface
93. Nematode-resistant tomato varieties will not be injured by any of the nematode pests ordinarily found
in the home garden.
a. True
b. False
-8revision date: July 2005
94. All types of nematodes produce root galls or knots.
a. True
b. False
95. Most above ground symptoms associated with nematodes may also be caused by other sources of root
stress, such as fungal pathogens, soil compaction and inadequate water.
a. True
b. False
96. Are there any parasites or predators which help suppress plant nematode populations?
a. Yes
b. No
97. Which soil component seems to reduce nematode damage to plants by increasing the water-holding and
nutrient holding capacity of the soil, enhancing soil microorganism activity, and contributing nutrients
to the soil?
a. Clay
b. Sand
c. Organic matter
d. Silt
98. Interplanting (companion planting) of marigolds with tomatoes has effectively prevented root-knot
nematode damage to tomatoes in many university experiments.
a. True
b. False
99. Reducing cultural stresses on lawn grasses often reduces symptoms of "nematode damage" to turf.
Which is considered to be the cultural practice most likely to increase nematode damage to turf, and
most likely to improve turf tolerance to nematodes if changed?
a. watering frequency
b. soil compaction
c. mowing too closely
Situation descriptions for 100, 101 and 102.
Your neighbor gave you some African violets which are doing poorly and which she says are
infested with nematodes. Her evidence is that she sees small white worms (about 1/4 inch long) moving
about on the potting mix when she waters the plants.
100.
Is your neighbor correctly identifying a nematode problem?
a. NO - plant nematodes are smaller and generally colorless (not visible) against the soil
b. YES - they grow bigger in organic soil mixes
101.
Whether or not the white worms that your neighbor sees are actually nematodes, the violets could
be infected by nematodes. How would you try to tell if nematodes are damaging the plants?
a. Examine roots for obvious root-knot galls
b. Have her send a sample to the Nematode Assay Lab
c. Have
her
apply
a
nematicide
to
102.
see
if
the
plant
responds
If it is determined that the African violets have a serious nematode infestation, what can you tell
your neighbor to do about it?
a. Treat with Malathion
b. Treat with Sevin
c. If there are healthy, firm leaves, use them for cuttings to propagate the plant in uninfested soil.
Make sure that NO discolored leaf or stem (petiole) tissue is used. Discard soil and roots.
d. Nothing.
-9revision date: July 2005
Master Gardener
103.
A Master Gardener may use the title Master Gardener:
a. To advertise his qualifications as a professional
b. Only when serving in the Master Gardener Plant Clinic or other authorized Master Gardener
volunteer activity
c. In phone book and newspaper advertisements
d. To make recommendations to commercial nurseries
104.
The Master Gardener program is sponsored by:
a.
b.
c.
d.
105.
United States Department of Agriculture
Florida Cooperative Extension Service
Florida Department of Agriculture and Consumer Services
None of the above
If you don't know the answer to a question while working at a Master Gardener clinic, you
should:
a.
b.
c.
d.
Admit you don't know and suggest some alternative resources or actions
Punt
Bluff your way through and give any answer that sounds good
Distract them to another subject
Yard Waste Management
106.
Fertilizer does not need to be added to a garden if compost if being used.
a. True
107.
Pet wastes (dog or cat) can be safely added to compost for use on vegetable gardens.
a. True
108.
b. False
If woody materials such as sawdust or wood chips are added to the compost pile, what material
should be added to help them break down more quickly?
a. lime
b. potash
c. nitrogen
109.
b. False
d. hay
e. egg shells
For fastest breakdown, the moisture level of the composting material should be:
a. 40%-60%
b. 10%-20%
c. 80%-90%
d. 0-5%
e. it does not matter
ELM Environmental Landscape Management
110.
The most energy efficient house in Florida is one with its long axis running north/south.
a. True
111.
To prevent radiant heat from building up IN the home, use light colored, smooth roofing.
a. True
112.
b. False
b. False
It is a good idea to plant deciduous trees on the north side of the house.
a. True
b. False
-10revision date: July 2005
113.
Homes without air conditioning should have the shrubs and lower limbs of trees pruned to allow for
air circulation while totally air conditioned homes should have trees that are full and block air
movement.
a. True
114.
b. False
Espaliered shrubs or trees are effective in preventing sunlight from striking and heating up a wall.
a. True
b. False
-11revision date: July 2005
ANSWERS TO MASTER GARDENER SAMPLE EXAM 1
1. a. site
of
cell
division and growth
b. water transport
c. food transport
d. food
storage
tissue
2. a
3. a
4. a
5. b
6. a
7. b
8. a
9. d
10. a
11. a
12. a
13. b
14. b
15. a
16. b
17. a
18. a
19. b
20. b
21. a
22. d
23. b
24. c
25. a
26. b
27. b
28. a
29. b
30. a
31. b
32. a
33. b
34. b
35. a
36.b
37. a
38. a
39. d
40. a
41. b
42. b
43. d
44. b
45. b
46. a
47. a
48. a
49. d
50. a
51. c
52. c
53. b
54. a
55. a
56. a
57. a,d,g
58. a
59. b,c,g
60. 1. a; 2. a; 3. c; 4. c
61. c
62. c
63. b
64. d
65. c
66. d
67. c
68. d
69. a
70. b
71. a
72. a
73. b
74. a
75. a
76. a
77. d
78. b
79. e
80. e
81. b
82. a
83. c
84. d
85. a
86. a
87. b
88. a
89. c
90. a
91. a
92. b
93. b
94. b
95. a
96. a
97. c
98. b
99. c
100. a
101. b
102. c
103. b
104. b
105. a
106. b
107. b
108. c
109. a
110. b
111. a
112. b
113. a
114. a