Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. The main commercial method for propagating African violets is by:
a. Seeds
b. Crowns
c. Tubers
d. Leaf petioles
Q. Which of the following is a group of terms related to landscape design principles?
a. Stratify, random, curvature
b. Focalization, proportion, simplicity
c. Hogarth, symmetrical, curvature
d. Thresh, rounding, complexity
Q. Plants usually do not grow well in poorly drained soils because:
a. Oxygen content is low in poorly drained soils
b. The organic matter content of poorly drained soils is too high
c. Poorly drained soils warm too quickly in spring
d. Plant roots become engorged with water in poorly drained soils
Q. To make the living area of a landscape appear larger, a designer should include plantsthat feature:
a. Warm-colored flowers such as reds, oranges, yellows
b. Cool-colored flowers such as blues, purples, lavenders
c. A combination of warm- and cool-colored flowers
d. All white flowers
Q. Which of the following turf areas is mowed to the lowest height?
a. Commercial lawn
b. Golf fairway
c. Home lawn
d. Golf green
Q. In plants, __________ is the process of converting stored energy into energy for plantgrowth.
a. Transpiration
b. Photosynthesis
c. Respiration
d. Pollination
Q. A landscape designer uses many __________ in developing the preliminary design for aproject.
a. Perfect plans
b. Bubble diagrams
c. Site surveys
d. Problem statements
Q. An example of an organic material is __________.
a. Pea gravel
b. Perlite
c. Leaf mold
d. Vermiculite
Q. The loss of water in the form of vapor from the surface of plant leaves is referred to as:
a. Transpiration
b. Respiration
c. Oxidation
d. Condensation
Q. The basic underlying principle of using a mist propagation system is that it:
a. Keeps the propagation medium uniformly moist and supplies moisture to the base of the cuttings
b. Keeps the plant material cool
c. Cools the propagation medium to promote root formation and development
d. Increases humidity around the cutting and reduces transpiration
Q. Low-growing landscape plants should:
a. Be placed in front of intermediate growing plants
b. Be placed behind intermediate growing plants
c. Not be used in the landscape
d. Be planted under large trees
Q. In a landscape design, properly located plants and structures.
a. Can reduce heat intensity
b. Need to be constantly pruned and maintained
c. Block the view of the front door
d. Are not essential for a good landscape design
Q. A plant that dies to the ground at the end of each growing season but comes back fromthe same root stubs year after year is most accurately described as:
a. Perennial
b. Annual
c. Biennial
d. Herbaceous perennial