Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. Two basic types of pruning are heading-back and thinning-out. Which of the following is true about these pruning methods?
a. Thinning cuts leave behind a good portion of the stem and many axillary buds.
b. Thinning cuts are made close to a main branch or ground and few axillary buds are left.
c. Heading cuts usually remove entire branches and leave no buds.
d. Heading cuts remove a portion of the stem and only terminal buds are left.
Q. Lowering the soil grade around a tree removes many of the tree’s __________ roots.
a. Tap
b. Aerial
c. Feeder
d. Aquatic
Q. Water availability, temperature extremes, and __________ should be considered whenselecting trees for the landscape.
a. Slope
b. Topography
c. Soil type
d. Buildings present
Q. Lawn sprinkler systems are installed so as to provide even coverage. It is accomplishedby:
a. Spacing the heads so that each sprinkler sprays to the next sprinkler
b. Using sprinkler heads with a square pattern throughout the landscape
c. Spacing sprinklers based on needs specified in the soil test
d. Using one size pipe throughout the landscape
Q. Callus is a term usually referring to:
a. The tissue on the collar of a limb
b. The first tissue develops on a cut surface just before the root formation iniates.
c. Deformed growth on plant limbs
d. A disease of plant leaves and limbs
Q. A __________ is a woody perennial that has more than one main trunk.
a. Tree
b. Flower
c. Shrub
d. Weed
Q. Mrs. Khan loves spring flowering bulbs. Which of the following would you suggest forMrs. Khan to plant?
a. Hyacinthus orientalis
b. Coleus x hybridus
c. Lonicera japonica
d. Gardenia jasminoides
Q. In nursery production, a “liner” refers to __________.
a. A plastic bag
b. A rooted cutting or small seedling
c. A type of garden tool
d. A plastic mulch covering
Q. Which of the following is a deciduous vine?
a. Tecoma grandiflora
b. Rosa marshenelle
c. English ivy
d. Rosemary
Q. Failure of a bulb to produce a marketable flower following floral initiation is:
a. Disbudding
b. Flower blasting
c. Damping off
d. Dieback
Q. Which of the following is the proper recommendation for pruning trees at planting.
a. Pruning should be limited to shaping the plant by removing dead or damaged limbs
b. Trees should be cut back to at least one-half their size to prevent stress on root systems
c. Trees should not be pruned until the third year after planting
d. Trees should not be pruned at all – the latest trend is to let them develop naturally
Q. 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.
a. Pathogens
b. Soluble salts
c. Pesticides
d. Herbicides
Q. One of the best ways to speed up the rooting process of cuttings is to:
a. Provide bottom heat
b. Keep the soil cool and the foliage warm
c. Harden them off by laying them out to dry a few days before sticking
d. Always take cuttings after mid-day
Q. An area of the landscape that includes space for such items as a clothes line and garbagecans is the __________ area.
a. Service
b. Public
c. Private
d. Recreational
Q. The landscape design principle of interconnection:
a. Is a visual break in sequence
b. Is the human perception of space and form related to human dimension
c. Is the overall organization and structure of a design
d. Occurs when visual components are physically linked together