ISA Arborist Study | | |
Guide Sample test | | |
questions with | |
verified answers |
Bark, |phloem, |cambium, |xylem |- |correct |answer |When |cutting |through |a |tree |with |a |chain |saw
|or |drilling |into |a |tree, |you |would |pass |through |(in |order)
Growth |may |be |stimulated |in |lateral |buds |- |correct |answer |If |the |terminal |bud |is |removed |in |
pruning:
The |growth |rings |of |a |tree: |- |correct |answer |Visible |because |of |the |rapid |growth |rate |of |
earlywood |relative |to |latewood, |can |be |counted |on |to |approximate |trees |age, |can |give |
information |about |growth |conditions |in |previous |years.
Cambium |- |correct |answer |layer |of |cells |is |responsible |for |outward |growth |and |increased |girth
|of |tree.
Mycorrhizae |are: |- |correct |answer |A |symbiotic |relationship |between |fungi |and |roots.
, Douglas-fir |(Pseudotsuga |menziesii) |differs |from |balsam |fir |(Abies |balsamea) |in |that: |- |correct |
answer |They |are |not |in |the |same |genus.
Opposite |leaf |arrangement |is: |- |correct |answer |When |two |leaves |and/or |buds |are |located |at |
the |same |node |on |a |twig.
Quercus |rubra |- |correct |answer |Scientific |name |of |Red |Oak.
Quercus |(Oak) |- |correct |answer |This |genus |of |tree |usually |does |not |have |an |opposite |leaf |
arrangement.
Pines |- |correct |answer |These |conifers |have |needles |in |bundles.
Available |oxygen |and |water |- |correct |answer |The |primary |factor |in |controlling |the |depth, |
spread, |and |distribution |of |tree |roots |in |the |soil |is/are:
The |most |fibrous |and |absorptive |portion |of |a |tree's |root |system |is |found |in? |- |correct |answer |
Are |in |the |upper |6 |inches |of |soil.
Water |will |drain |very |slowly |out |of |the |planting |hole. |- |correct |answer |If |a |planting |hole |in |a |
clay |soil |site |is |backfilled |with |sandy |soil.
When |soil |is |compacted: |- |correct |answer |Total |pore |space |and |the |percentage |of |macropores |
are |reduced.
A |characteristic |of |sandy |soils |in |arid |regions |is: |- |correct |answer |They |tend |to |become |
alkaline, |and |salts |build |up |due |to |the |lack |of |heavy |rainfall.
Guide Sample test | | |
questions with | |
verified answers |
Bark, |phloem, |cambium, |xylem |- |correct |answer |When |cutting |through |a |tree |with |a |chain |saw
|or |drilling |into |a |tree, |you |would |pass |through |(in |order)
Growth |may |be |stimulated |in |lateral |buds |- |correct |answer |If |the |terminal |bud |is |removed |in |
pruning:
The |growth |rings |of |a |tree: |- |correct |answer |Visible |because |of |the |rapid |growth |rate |of |
earlywood |relative |to |latewood, |can |be |counted |on |to |approximate |trees |age, |can |give |
information |about |growth |conditions |in |previous |years.
Cambium |- |correct |answer |layer |of |cells |is |responsible |for |outward |growth |and |increased |girth
|of |tree.
Mycorrhizae |are: |- |correct |answer |A |symbiotic |relationship |between |fungi |and |roots.
, Douglas-fir |(Pseudotsuga |menziesii) |differs |from |balsam |fir |(Abies |balsamea) |in |that: |- |correct |
answer |They |are |not |in |the |same |genus.
Opposite |leaf |arrangement |is: |- |correct |answer |When |two |leaves |and/or |buds |are |located |at |
the |same |node |on |a |twig.
Quercus |rubra |- |correct |answer |Scientific |name |of |Red |Oak.
Quercus |(Oak) |- |correct |answer |This |genus |of |tree |usually |does |not |have |an |opposite |leaf |
arrangement.
Pines |- |correct |answer |These |conifers |have |needles |in |bundles.
Available |oxygen |and |water |- |correct |answer |The |primary |factor |in |controlling |the |depth, |
spread, |and |distribution |of |tree |roots |in |the |soil |is/are:
The |most |fibrous |and |absorptive |portion |of |a |tree's |root |system |is |found |in? |- |correct |answer |
Are |in |the |upper |6 |inches |of |soil.
Water |will |drain |very |slowly |out |of |the |planting |hole. |- |correct |answer |If |a |planting |hole |in |a |
clay |soil |site |is |backfilled |with |sandy |soil.
When |soil |is |compacted: |- |correct |answer |Total |pore |space |and |the |percentage |of |macropores |
are |reduced.
A |characteristic |of |sandy |soils |in |arid |regions |is: |- |correct |answer |They |tend |to |become |
alkaline, |and |salts |build |up |due |to |the |lack |of |heavy |rainfall.
