BLArch Bachelor of Landscape Architecture Horticulture and Planting Design 2

Question 1

Which nutrient deficiency typically causes yellowing of leaves (chlorosis) in plants?

Accepted Answer

Iron or Nitrogen

Answer

Chlorosis (yellowing) is most commonly caused by iron or nitrogen deficiency, as both are essential for chlorophyll production.

Question 2

What is the correct term for the seasonal shedding of leaves by deciduous trees in autumn?

Accepted Answer

Abscission

Answer

Abscission is the biological process by which plants shed leaves, flowers, or fruit by forming a specialized layer of cells at the base of the petiole.

Question 3

Which planting technique involves grouping plants of the same species together for visual impact?

Accepted Answer

Massing

Answer

Massing groups multiple plants of the same species together to create bold, unified visual statements in the landscape.

Question 4

What is the recommended minimum soil depth for growing most large shade trees?

Accepted Answer

36 inches

Answer

Large shade trees typically require a minimum of 36 inches (3 feet) of suitable soil depth to support adequate root development.

Question 5

Which term describes a plant that completes its life cycle within a single growing season?

Accepted Answer

Annual

Answer

An annual plant germinates, flowers, sets seed, and dies all within one growing season, unlike perennials that live for multiple years.

BLArch Bachelor of Landscape Architecture Practice Test

BLArch Bachelor of Landscape Architecture Practice Test

BLArch Bachelor of Landscape Architecture Horticulture and Planting Design 2