PST Quiz 1

What is the definition of skyrise greenery?

• Skyrise greenery has increasingly become an important component of sustainable urban development.

• Skyrise greenery encompasses all greening at the building or other structures

• Skyrise greenery includes bother rooftop greenery and vertical greenery

• All of the above

What are the utmost concerns about skyrise greenery?

• Make sure the structural loading is enough to hold the greenery on the building

• Make sure maintenance crew cannot access the utilities on the roof so that they cannot repair items that are out of order

• Allow every user of roof garden to free-fall to practice their Superman skills

• Save money on drainage because flooding of the roof garden will make Aquaman very happy to stay on the roof

Standards and guidelines put in place for Singpaore's skyrise greenery are books that inform about:

• Design of clothes labels

• Design for safety on rooftop greenery

• Layer for vegetables only

• Protection against planting on roof

Which on is a benefit to horizontal planes of skyrise greenery?

• All answers stated below

• Add amenity value of green roofs

• Food production

• Asethetic value of green roofs

• Increase roof life

Which of the following is a fact about the benefit of insulation and energy efficiency of green roofs?

• Green roofs increase heating and air-conditioning costs

• Indirect shading of roof for plants

• Evaporative cooling from plants and the planting media

• None of the above

Which of the following is true about green roofs?

• Green roofs increase noise pollution

• Downtown temperature in the graph in slide 20 has the lowest temperature compared to other areas

• Green roofs absorb heat and reduces Urban Heat Island Effect

• Green Roofs absorb water and release it over a period of time to help increase flooding at the ground level

The following are charactersitics of the intensive rooftop greenery (there are more than 1 correct answer):

• Inaccessible to be used as communal rooftop space

• Elaborate and asethetic layout with design for activities

• Vegetation media varies in soil depths and heavier with adequate structural loading provision

• Requires less maintenance thatn extensive rooftop greenery

Which of the following is a characteristic of extensive rooftop greenery?

• With a thinner and more lightweight vegetation support layer than intensive rooftop greenery

• Accessible to public

• Requires less maintenance comparted to intensive rooftop greenery

• Limited range of vegatation (drought-tolerant preferred)

(Extended Learning): How many species of birds and butterflies are recorded in 30 urban roof gardens in the study published in 2017?

• 23,000 Bird Species and 80 Butterfly Species

• 35 Bird Species and 1,100 Butterfly Species

• 53 Bird Species and 57 Butterfly Species

• 53 Bird Species and 75 Butterfly Species

(Extended Learning): What is the latest trend(s) in Singapore's Skyrise Greenery 2017?

• Vertical Village (Kampung)

• Greenwall

• Communal Rooftop Food Gardens

• Target to attract only one species of bird