Free Silviculture MCQs with Answers

• A. A large evergreen shrub
• B. Leaves 3-4 inches long
• C. All of the above
• D. Staminal-tube much exerted
• E. Coarsely toothed

Explanation: Hibiscus rosa-sinensis is a large evergreen shrub with toothed leaves and a conspicuously protruding staminal tube, a characteristic of…

• A. A large evergreen shrub
• B. Leaves in whorls, elliptic-oblong or oblong-obovate
• C. None of these
• D. Both (a) & (b)

Explanation: Hamelia patens is a large evergreen shrub, and its leaves occur in whorls with elliptic-oblong to oblong-obovate shapes.

• A. A large twinning nearly glabrous shrub with suberect striate branches
• B. Leaves opposite
• C. Flowers 1.2-1.5 inches across
• D. White in lax axillary and terminal cymes
• E. All of the above

Explanation: Jasminum grandiflorum is a nearly hairless twining shrub with opposite leaves and white, fragrant flowers in axillary or terminal cymes.

• A. A comprehensive plan is a prerequisite
• B. All of the above
• C. According to the requirements of the users
• D. The economy in their development and maintenance
• E. This plan should take into account the suitability of lawns and gardens

Explanation: Landscape planning integrates a comprehensive design with site suitability, user needs, and the costs of development and maintenance.

• A. The work scheme of planting constitutes three main categories of the trees for framing the view
• B. Background and border planting
• C. Foundation and border shrubs
• D. All of the above

Explanation: Landscape planting schemes commonly use background and border planting together with foundation and border shrubs to frame views and…

• A. Tree
• B. Shrubs
• C. Vines or climbers
• D. All of the above
• E. Flowers

Explanation: A landscape plant palette may include trees, shrubs, vines or climbers, and flowering plants.

• A. Trees are the backbone of almost all landscape planting
• B. All of the above
• C. And display the inherent grace, it is essential that these should be selected and placed with great care
• D. The very fact that they take a large number of years to reach maturity

Explanation: Trees form the structural backbone of most landscapes, and their long maturity period means that species selection and placement have…

• A. Evergreen
• B. Deciduous
• C. None of these
• D. Both (a) & (b)

Explanation: Trees are broadly classified in landscaping as evergreen, retaining foliage year-round, or deciduous, shedding foliage seasonally.

• A. All of the above
• B. The shrub will have many stems rising from the ground against the single one of a tree
• C. The colour of shrub flowers, its length of blooming and the season of bloom are very important
• D. The dividing line between a shrub and a tree is not always well marked

Explanation: Shrubs are often distinguished from trees by their multiple stems, although the boundary is not absolute.

• A. By different methods and it is essential to be familiar with the way which vine supports itself
• B. Both (a) & (b)
• C. They are, weavers, twiners, tendril bearers, etc.
• D. None of these

Explanation: Climbers use different support mechanisms, so identifying whether they are twiners, tendril bearers, or other types is important for…

• A. The formal walls of foliage used in landscaping to define area limits have the same purpose as hedges
• B. Both (a) & (b)
• C. But create an enclosure bordered only by soft massed foliage instead of brick or wooden fence
• D. None of these

Explanation: Shrub borders define or enclose spaces with soft masses of foliage rather than rigid brick or wooden barriers.

• A. Eucalyptus camaldulensis
• B. E. Microtheca
• C. All of the above
• D. Albizzias spp
• E. Acacia nilotica

Explanation: Eucalyptus camaldulensis, E. microtheca, Acacia nilotica and Albizia species can all be used in land reclamation and soil-improvement…

• A. All of the above
• B. A. Tortilis
• C. A. Victoria
• D. A. Modestia

Explanation: Acacia modesta, Acacia tortilis and Acacia victoriae were introduced in the Thal desert and showed promise for drought protection and…

• A. Insecticide
• B. Herbicide
• C. Pesticide
• D. Germicide

Explanation: Herbicides are chemicals specifically formulated to kill or suppress weeds.

• A. Electrons are bombarded
• B. Mutations are produced plants
• C. Plants are grown in controlled environment
• D. True breeding plants are produced

Explanation: A phytotron is a controlled-environment facility or growth chamber in which variables such as temperature, light, humidity and carbon…

• A. Pore space ratio
• B. Pore density ration
• C. Pore abundance ratio
• D. Pore frequency ratio

Explanation: Pore space is the proportion of a soil's total volume occupied by pores, including spaces filled with air or water.

• A. Geology
• B. Pedology
• C. Both (a) & (b)
• D. None of these

Explanation: Pedology is the branch of soil science concerned with soil formation, classification, morphology, and distribution.

• A. There is no soil air
• B. Water retaining capacity is high
• C. Pore frequency is low
• D. Pore space is narrow

Explanation: Coarse-textured soils contain relatively few but large pores, so their pore frequency is low even though their total pores are wide.

• A. Horizon-B
• B. All of these
• C. Horizon-C
• D. Horizon-A

Explanation: Melanization is the darkening of soil through the incorporation and transformation of organic matter, chiefly in the A horizon.

• A. H+
• B. Both (a) & (b)
• C. AI+3
• D. H+ and Zn+2

Explanation: Soil acidity is caused directly by hydrogen ions and is also strongly associated with hydrolysis of exchangeable aluminium, which releases…