Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. Growing medium for greenhouse plant production is:
a. A nutritive substance in which seeds germinate and plants grow
b. Unsterilized soil
c. Soil which hasn’t been graded for size
d. The cellular structures that make up wood
Q. The phenomenon of terminal plant growth suppressing lateral growth is termed as:
a. The apex auxin complex
b. Apical dominance
c. Lateral dominance
d. Terminal bud inhibition
Q. The use of plant materials and landscaping techniques to conserve soil moisture and toreduce water usage is:
a. Xeriscaping
b. Waterscaping
c. Natural landscaping
d. Bogscaping
Q. Which of the following describes plants that lose their leaves during the winter?
a. Evergreen
b. Deciduous
c. Coniferous
d. Herbaceous
Q. Hardiness refers to:
a. The strength of the wood of a tree
b. The quality of being strong and being able to survive in a certain region
c. The hardness of the soil in which a plant is being planted
d. The ability of a plant to grow indoors
Q. Hardening-off is a term used in the nursery/landscape industry to mean:
a. Allowing herbaceous plants to become woody
b. Acclimatizing landscape plants to coldframe conditions
c. Coating plants with a protective plastic-type spray prior to transplanting
d. Acclimatizing tender plants to harsher, outdoor conditions
Q. The removal of lateral flower buds from stems, such as carnations andchrysanthemums, is called:
a. Soft pinch
b. Deadheading
c. Hard pinch
d. Disbudding
Q. A lawn mower with blades parallel to the surface of the ground is called as:
a. Reel mower
b. Rotary mower
c. De-thathing mower
d. Electric mower
Q. The turfgrass least tolerant of shade is:
a. Zoysia grass
b. Fescue grass
c. St. Augustine grass
d. Bermudagrass
Q. Which of the following is not an important environmental requirement for germinationto occur?
a. Proper temperature
b. Oxygen
c. Carbon dioxide
d. Moisture
Q. Light energy, carbon dioxide, and water enter into the process of photosynthesis,through which:
a. Respiration results
b. Carbohydrates are formed
c. Chlorophyll is formed
d. Amino acids are formed
Q. The most common synthetic root-promoting chemicals are:
a. IBA and AAN
b. CCA and ACD
c. ISO and OSB
d. IBA and NAA
Q. What information is not mentioned in the legend on a final landscape plan?
a. Plant names
b. Specific notes concerning installation
c. Plant quantities
d. Designer’s name
Q. When planting a bare-rooted tree, the tree should be planted:
a. At 6 inches above the original soil level
b. At 2 inches above the original soil level
c. At 6 inches below the original soil level
d. Directly even with the original soil level