Plant Materials for Landscape Architecture: A Comprehensive Guide for BArch Students

Question 1

Which benefit do native plant species offer in landscape design compared to non-native species?

Accepted Answer

Greater resistance to pests and diseases

Answer

Lower biodiversity and reduced ecosystem services

Answer

Higher water usage and increased pollution

Answer

Less visual appeal and cultural relevance

Question 2

How do environmental factors like light, temperature, and water availability impact plant growth and development?

Accepted Answer

They influence plant metabolism, structure, and reproductive success.

Answer

They have no effect on plant growth and development.

Answer

They affect plant growth but not development.

Question 3

When choosing plants for a landscape project, which factor is typically less relevant to consider?

Accepted Answer

Architectural trends

Answer

Climate and environmental conditions

Answer

Aesthetics and visual appeal

Answer

Maintenance requirements

Question 4

Which growth habit is commonly associated with shrubs?

Accepted Answer

Woody stems with multiple primary branches

Answer

Single woody stem with an elevated crown

Answer

Creeping or spreading habit along the ground

Answer

Climbing or scrambling habit using supports

Question 5

Which of the following is NOT a potential advantage of using native plant species in landscape design?

Accepted Answer

Exclusive aesthetic appeal

Answer

Enhanced biodiversity and wildlife habitat

Answer

Reduced maintenance requirements

Answer

Increased adaptability to local environmental conditions

Question 6

What is the term that refers to the strategic arrangement of plant materials in a landscape to achieve specific aesthetic and functional goals?

Accepted Answer

Planting design

Answer

Landscaping

Answer

Plant composition

Answer

Arboriculture

Question 7

What characteristic differentiates gymnosperms from other plant groups?

Accepted Answer

Absence of flowers and fruits

Answer

Enclosed seeds within fruits

Answer

Parallel leaf veins

Question 8

The scientific process of identifying plant species based on their observable characteristics is known as:

Accepted Answer

Taxonomy

Answer

Ecology

Answer

Physiology

Answer

Pathology

Question 9

Which of the following growth habits describes a plant that typically grows taller than it is wide?

Accepted Answer

Erect

Answer

Ascending

Answer

Spreading

Answer

Prostrate

Question 10

The layer of a plant community that includes the tallest trees is known as:

Accepted Answer

Canopy

Answer

Groundcover

Answer

Shrub layer

Answer

Understory

Question 11

The use of plant materials to create specific visual effects in a landscape is known as:

Accepted Answer

Aesthetics

Answer

Horticulture

Answer

Arboriculture

Answer

Ecology

Question 12

When selecting plant materials for a shady area, it is important to consider:

Accepted Answer

Shade tolerance

Answer

Drought tolerance

Answer

Salt tolerance

Answer

Wind tolerance

Question 13

The process of propagating plants by taking cuttings from an existing plant is known as:

Accepted Answer

Grafting

Answer

Budding

Answer

Layering

Answer

Tissue culture

Question 14

When selecting plants for a shaded area, which plant characteristic is most important to consider?

Accepted Answer

Light requirements

Answer

Flower color

Answer

Leaf texture

Answer

Soil pH tolerance

Question 15

What is the technical term used to describe the arrangement of leaves on a stem?

Accepted Answer

Phyllotaxy

Answer

Phenology

Answer

Morphology

Answer

Anatomy

Question 16

Which of the following factors has no influence on the growth and development of plants?

Accepted Answer

Building height

Answer

Water availability

Answer

Temperature

Answer

Soil composition

Question 17

For low-maintenance landscapes, what type of plant material is most suitable?

Accepted Answer

Groundcovers

Answer

Exotic species

Answer

Native species

Answer

Annuals

Question 18

Which of these pests is commonly associated with causing damage to plant roots?

Accepted Answer

Nematodes

Answer

Aphids

Answer

Scale insects

Answer

Spider mites

Question 19

What is the primary purpose of conducting a site analysis in landscape architecture?

Accepted Answer

Identifying opportunities and constraints of a site

Answer

Developing a design concept

Answer

Choosing plant materials

Answer

Creating a construction plan

Question 20

A study finds reduced photosynthetic activity in a plant species under drought conditions. Explain the likely physiological mechanisms behind this observation.

Accepted Answer

Reduced stomatal opening, limiting CO2 uptake

Answer

Increased production of antioxidant enzymes, reducing photoinhibition

Answer

Enhanced translocation of photosynthetic products to roots, promoting root growth

Question 21

When selecting plants for a shady location, which characteristic is most crucial?

Accepted Answer

Shade tolerance

Answer

Soil pH tolerance

Answer

Growth rate

Answer

Flower color

Question 22

What term describes the maximum height and spread a plant can reach under ideal conditions?

Accepted Answer

Mature size

Answer

Growth habit

Answer

Hardiness zone

Answer

Lifespan

Question 23

Which of these trees loses its leaves seasonally?

Accepted Answer

Oak

Answer

Yucca

Answer

Pine

Answer

Palm

Question 24

Which soil type is generally considered best for most landscape plants?

Accepted Answer

Loam

Answer

Sand

Answer

Peat

Answer

Clay

Question 25

Which of the following is a plant that thrives in dry conditions, making it suitable for xeriscaping?

Accepted Answer

Yarrow

Answer

Azalea

Answer

Fern

Answer

Hosta

Question 26

What type of plant spacing is used to create a dense, hedge-like effect?

Accepted Answer

Close spacing

Answer

Irregular spacing

Answer

Wide spacing

Answer

Moderate spacing