All Free Forestry MCQs with Answers

Every Forestry question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.

1,681 questions · page 71 of 85

  • 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.

Correct answer: All of the above
  • 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…

Correct answer: All of the above
  • 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.

Correct answer: Both (a) & (b)
  • 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.

Correct answer: All of the above
  • 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…

Correct answer: Both (a) & (b)
  • 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.

Correct answer: Both (a) & (b)
  • 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…

Correct answer: All of the above
  • 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…

Correct answer: All of the above
  • A. Insecticide
  • B. Herbicide
  • C. Pesticide
  • D. Germicide

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

Correct answer: Herbicide
  • 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…

Correct answer: Plants are grown in controlled environment
  • 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.

Correct answer: Pore space ratio
  • 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.

Correct answer: Pedology
  • 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.

Correct answer: Pore frequency is low
  • 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.

Correct answer: Horizon-A
  • 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…

Correct answer: Both (a) & (b)
  • A. 10? - 15?C
  • B. 5? - 10?C
  • C. 20? - 25?C
  • D. 30? - 40?C

Explanation: In the upper Gangetic plains, seedling growth is generally best at a moderate temperature of about 20–25°C.

Correct answer: 20? - 25?C
  • A. 40?C
  • B. 60?C
  • C. 65?C
  • D. 80?C

Explanation: Rhus seeds are notably heat-tolerant and can endure temperatures up to about 80°C, an adaptation that helps them persist after fire.

Correct answer: 80?C
  • A. Longer viability
  • B. In situ seed germination
  • C. early cone separation
  • D. All these characters

Explanation: Serotinous cones remain closed on the tree and retain viable seeds, often until heat from fire opens them.

Correct answer: Longer viability
  • A. Borne on the leaves
  • B. Present on the main stem
  • C. Borne underground
  • D. Suspended from the branches

Explanation: A lignotuber is a woody swelling located at or below the ground, containing dormant buds and stored reserves that can regenerate shoots…

Correct answer: Borne underground
  • A. The pith borer of poplars
  • B. Mostly found in KPK, Azad Kashmir and Lahore
  • C. The eggs are laid in eye-shaped slits made in young branches by ovipositing adult
  • D. All of the above

Explanation: Apriona cinerea is the poplar pith borer, reported from Khyber Pakhtunkhwa, Azad Kashmir and Lahore.

Correct answer: All of the above