Urban Microclimates & Green Roofs (Set 02)
Full Reading (3 Passages) • Completed on 2026-11-11 at 10:15 AM
ESTIMATED BAND
7.0
Duration: 52m 18s
CORRECT
31
Out of 40 items
INCORRECT
7
Review explanations below
UNANSWERED
2
Skipped questions
Section Breakdown
Passage 1: Rooftop Ecology11/13
85%
Passage 2: Thermal Albedo10/13
77%
Passage 3: Policy Trade-offs10/14
71%
Answer Key & Detailed Explanations
Q1. Vegetated roofs eliminate 100% of urban heat island effects.CORRECT
Your answer: FALSECorrect answer: FALSE
Paragraph 2 notes they reduce ambient roof temperatures by 2-4°C rather than eliminating heat completely.
Q2. Municipal subsidies in Toronto began before 2005.INCORRECT
Your answer: NOT GIVENCorrect answer: FALSE
Paragraph 3 states the mandatory green roof bylaw was enacted in 2009, making 'before 2005' contradicted.
Q3. Sedum plants require minimal irrigation.CORRECT
Your answer: TRUECorrect answer: TRUE
Paragraph 4 describes sedum succulents as drought-resilient with low irrigation demand.
Q4. Substrate depth affects stormwater retention.CORRECT
Your answer: TRUECorrect answer: TRUE
Deeper growing media retain up to 70% of summer rainfall.
Q5. Primary structural challenge for retrofitsUNANSWERED
Your answer: — (Unanswered)Correct answer: load-bearing capacity
Older buildings often lack structural load-bearing capacity for saturated soil.