Certified Arborist Test Urban Forestry 3

Question 1

What is an 'urban forest management plan'?

Accepted Answer

A strategic document guiding the planting, care, and management of a city's entire tree population

Answer

A plan to remove all trees from a city

Answer

A landscaping plan for one property

Answer

A plan to convert urban areas to natural forest

Question 2

How do urban trees contribute to improved air quality?

Accepted Answer

They filter pollutants like ozone, particulate matter, and nitrogen dioxide through their leaves

Answer

They only produce oxygen with no effect on pollutants

Answer

They increase air pollution by releasing volatile organic compounds

Answer

They have no measurable effect on urban air quality

Question 3

What challenge do urban trees face that forest trees typically do not?

Accepted Answer

Restricted root space, soil compaction, pollution, salt, heat stress, and physical damage

Answer

Wind exposure

Answer

Lack of sunlight

Answer

Competition from other trees

Question 4

What is the recommended practice for utility line clearance pruning?

Accepted Answer

Directional pruning to redirect growth away from lines

Answer

Topping trees to keep them below wires

Answer

Removing all trees within 50 feet of lines

Answer

Trimming all branches to the same length

Question 5

How are urban tree benefits typically quantified for public policy decisions?

Accepted Answer

By calculating the dollar value of ecosystem services using tools like i-Tree

Answer

By counting the number of trees

Answer

By measuring total wood volume

Answer

By surveying public opinion only

Question 6

Why is community engagement important in urban forestry programs?

Accepted Answer

Engaged communities are more likely to water, protect, and advocate for trees, improving survival rates

Answer

It's not important — professionals should make all decisions

Answer

It's only needed to satisfy legal requirements

Answer

Community input slows down planting programs