Quiznetik

Horticultural Science | Set 7

1. A __________ is a woody perennial that has more than one main trunk.

Correct : C. Shrub

2. Mrs. Khan loves spring flowering bulbs. Which of the following would you suggest for Mrs. Khan to plant?

Correct : A. Hyacinthus orientalis

3. In nursery production, a “liner” refers to __________.

Correct : B. A rooted cutting or small seedling

4. Which of the following is a deciduous vine?

Correct : A. Tecoma grandiflora

5. Failure of a bulb to produce a marketable flower following floral initiation is:

Correct : B. Flower blasting

6. Which of the following is the proper recommendation for pruning trees at planting.

Correct : A. Pruning should be limited to shaping the plant by removing dead or damaged limbs

7. The practice of manually watering a container plant until water comes out of the drainage holes of the container is effective for helping to reduce the buildup of __________ in the growing medium.

Correct : B. Soluble salts

8. One of the best ways to speed up the rooting process of cuttings is to:

Correct : A. Provide bottom heat

9. An area of the landscape that includes space for such items as a clothes line and garbage cans is the __________ area.

Correct : A. Service

10. The landscape design principle of interconnection:

Correct : D. Occurs when visual components are physically linked together

11. A flower is a type of flower often used as a focal point.

Correct : C. Form

12. Growing medium for greenhouse plant production is:

Correct : A. A nutritive substance in which seeds germinate and plants grow

13. The phenomenon of terminal plant growth suppressing lateral growth is termed as:

Correct : B. Apical dominance

14. The use of plant materials and landscaping techniques to conserve soil moisture and to reduce water usage is:

Correct : A. Xeriscaping

15. Which of the following describes plants that lose their leaves during the winter?

Correct : B. Deciduous

16. Hardiness refers to:

Correct : B. The quality of being strong and being able to survive in a certain region

17. Hardening-off is a term used in the nursery/landscape industry to mean:

Correct : D. Acclimatizing tender plants to harsher, outdoor conditions

18. The removal of lateral flower buds from stems, such as carnations and chrysanthemums, is called:

Correct : D. Disbudding

19. A lawn mower with blades parallel to the surface of the ground is called as:

Correct : B. Rotary mower

20. The turfgrass least tolerant of shade is:

Correct : D. Bermudagrass

21. Which of the following is not an important environmental requirement for germination to occur?

Correct : C. Carbon dioxide

22. Light energy, carbon dioxide, and water enter into the process of photosynthesis, through which:

Correct : B. Carbohydrates are formed

23. The most common synthetic root-promoting chemicals are:

Correct : D. IBA and NAA

24. What information is not mentioned in the legend on a final landscape plan?

Correct : D. Designer’s name

25. When planting a bare-rooted tree, the tree should be planted:

Correct : D. Directly even with the original soil level

26. A major advantage for producing nursery stock in containers is that it:

Correct : B. Allows for transplanting any time during the growing season

27. A method of fertilizer application is __________.

Correct : C. Side dressing

28. Brown patch, dollar spot, and gray snow mold are all diseases of:

Correct : B. Turfgrasses

29. Which plant is a vine?

Correct : D. Lonicera japonica

30. Site features to consider when conducting a site survey include:

Correct : B. Topography, soil conditions, natural features and existing vegetation

31. Food produced in the leaves moves to other parts of a plant through:

Correct : A. Phloem tissues

32. When installing a landscape, which step (from the following list) should be completed last?

Correct : A. Plant the trees and shrubs

33. Examples of cool season grasses include perennial ryegrass, bentgrass, and:

Correct : B. Fescue

34. Magnesium, calcium, and sulfur:

Correct : A. Are essential elements needed for plant processes

35. Functional roles of plants in the landscape do not include:

Correct : D. Greening up

36. Which of the following is a major reason for mulching landscape plants?

Correct : C. Moderates soil temperature and conserves soil moisture

37. A plant that remains vegetative during its first season of growth and flowers in the second season is a (n):

Correct : A. Biennial

38. Most landscape plants like the soil pH:

Correct : A. Slightly acidic

39. When installing a landscape, which step (from the following list) should be completed first:

Correct : C. Install the drainage system

40. Wisteria, clematis, and Japanese honeysuckle are examples of:

Correct : B. Vines

41. A flower container which is elevated on a base that may be short or long stemmed, is known as

Correct : C. Pedestal

42. Maximum interior plant deaths result from

Correct : D. Over watering

43. In a residential landscape, the area between the house and the street is

Correct : B. Public area

44. A tool which is used for moving loose materials such as crushed stone. Peat moss etc, is landscape installation is known as:

Correct : D. Scoop

45. Stabilization of large trees or multi stemmed plants using wires and stakes of Hard wood or metal is known as:

Correct : A. Guying

46. Limbs are pruned from trees with a technique called

Correct : C. Jump cutting

47. Claw like appendages occurring in pairs at the base of the leaf blade of turfgrasses is:

Correct : D. Auricle

48. Combination of two or more cultivars of a single turf grass species is known as:

Correct : B. Blend

49. Dry, indehiscent, one seeded fruit with a thin pericarp fused to seed coat is known as:

Correct : C. Caryopsis

50. Pollination and fertilization within closed florets is:

Correct : B. Cleistogamy

51. Stem of a grass plant is

Correct : C. Culm

52. In turf grasses, a pair of bracts usually present at the base of a spikelet is known as

Correct : A. Glumes

53. _______________ is the axis of a spike or raceme

Correct : C. Rachis

54. In turfgrasses, after mowing, a layer of above ground, green, living grass part is:

Correct : B. Verdure

55. Kentucky blue grass is a

Correct : A. Cool season grass

56. Bahia grass is a

Correct : B. Warm season grass

57. Best planting time of turf grasses is

Correct : B. July-Aug

58. Rose is a

Correct : C. Day-neutral plant

59. When designing an asymmetrical floral arrangement, the floral designer must consider which of the following design principles:

Correct : D. All of the above

60. Elements of landscape design are:

Correct : D. None of The above

61. Principles of landscape design are:

Correct : D. None of these

62. Art of shaping plants into geometric shapes is known as:

Correct : C. Topiary

63. First mowing of a newly established lawn is preferably done by:

Correct : A. Sickle

64. _______________ is a common example of monsoon annual grown in Pakistan :

Correct : C. c*ck’s comb

65. Morning glory is:

Correct : A. Annual

66. Candytuft is botanically called:

Correct : B. Iberis amara

67. Chrysanthemum is a:

Correct : A. Short day plant

68. _______________ is a best annual flower used for drying:

Correct : C. Helichryrum

69. Iris is a member of family:

Correct : C. Iridaceae

70. Hybrid tea roses are developed by crossing:

Correct : A. Hybrid perpetual & Tea rose

71. Roses which flower only once during summer are:

Correct : C. Ramblers

72. Iceberg bears flowers:

Correct : D. White

73. Kardinal belongs to:

Correct : C. Hybrid tea

74. The emission of water vapor from the surface of plant leaves is called:

Correct : D. Transpiration

75. Eranthemum is a:

Correct : B. Shrub

76. A common example of fragrant shrub is:

Correct : D. Murva

77. Nerium odorum bears flowers of:

Correct : D. All of above

78. Optimum day time temperature range for best growth of house plants is:

Correct : C. 18-24

79. To properly water indoor plants, consider:

Correct : D. All of the above

80. Croton is a:

Correct : C. House plant

81. Araucaria is a________________ plant:

Correct : C. Temperate

82. A piece of broken pot which is used at the base of pot to help drainage is know as:

Correct : C. Crock

83. Crocus is propagated through:

Correct : B. Corms

84. A leaf of fern or palm is

Correct : C. Frond

85. Temporary removal of a plant from its pot in order to check the condition of the root ball, is known as:

Correct : C. Knocking out

86. Milky sap which exudes from cut surfaces of a few house plants is:

Correct : B. Latex

87. A plant growth in a pot which is too small to allow proper plant growth is known as:

Correct : A. Pot-bound

88. Small bulb produced on the stem of a bulbous plants, is known as:

Correct : B. Bulbil

89. A small offset produced at the base of a corm, is:

Correct : C. A & B both

90. Narcissus has a cup- like centre in its flowers, known as:

Correct : D. Corona

91. A feathered petal which bears a distinct central band is:

Correct : A. Flamed

92. ______________ is the tip of the bulb:

Correct : C. Nose

93. The stalk of an inflorescence is known as:

Correct : B. Peduncle

94. A whorl of leaves arising at the base of plants is:

Correct : C. Rosette

95. A fleshy spike in which small flowers are embedded, is:

Correct : B. Spadix

96. is a common shrub which is used as hedge in Pakistan:

Correct : A. Duranta

97. A flower- head or tightly packed inflorescence, is

Correct : C. Truss

98. A dry and often papery covering of corms & some bulbs, is known as:

Correct : D. Tunic

99. An instrument that measures the electrical conductivity of a soil solution is called a:

Correct : D. Solubridge

100. Rose is severely pruned during:

Correct : C. Winter ( Dec- Jan )