Hedges
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Question No. 1
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What is the primary definition of a hedge in horticultural terms?
A.
A decorative garden feature made of stones
B.
A row of ornamental trees planted individually
C.
Shrubs planted closely on a boundary for fencing purposes
D.
A water feature designed for landscaping
Question No. 2
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Which characteristic is
NOT
essential for an ideal hedge plant?
A.
Ability to withstand drought conditions
B.
Thick texture and quick growth
C.
Capacity to attract reptiles and animals
D.
Easy propagation through seeds or cuttings
Question No. 3
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What is the typical height range of tall protective hedges?
A.
10-50 cm
B.
1-3 meters
C.
50 cm-1 meter
D.
3-5 meters
Question No. 4
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Which of the following is an example of a tall protective hedge plant?
A.
Alternanthera versicolor
B.
Acalypha species
C.
Carissa carandas
D.
Thunbergia erecta
Question No. 5
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What is the approximate height of dwarf ornamental hedges?
A.
About 1 meter
B.
About 3 meters
C.
About 50 cm
D.
About 2 meters
Question No. 6
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Which planting system is recommended for establishing a dense hedge?
A.
Square system
B.
Rectangular system
C.
Triangular system
D.
Hexagonal system
Question No. 7
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What should be the depth of the trench dug for planting hedges?
A.
60-75 cm deep
B.
20-30 cm deep
C.
30-45 cm deep
D.
80-100 cm deep
Question No. 8
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What is the ideal planting distance for tall hedge plants?
A.
10-20 cm
B.
20-30 cm
C.
100-120 cm
D.
60-90 cm
Question No. 9
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Which season is most suitable for planting hedges?
A.
Winter season (December-January)
B.
Early summer (April-May)
C.
Rainy season (August)
D.
Late autumn (November)
Question No. 10
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At what height should hedge plants be first topped back?
A.
When they attain 10 cm height, top to 5 cm
B.
When they attain 15 cm height, top to 10 cm
C.
When they attain 25 cm height, top to 15 cm
D.
When they attain 30 cm height, top to 20 cm
Question No. 11
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What is the primary purpose of formal hedges in landscaping?
A.
To attract wildlife and promote biodiversity
B.
To provide natural fruit production
C.
To create clear lines, boundaries and structured appearance
D.
To prevent soil erosion only
Question No. 12
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Which type of hedge requires MORE frequent pruning?
A.
Informal hedges
B.
Formal hedges
C.
Natural hedges
D.
Wildlife hedges
Question No. 13
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What is meant by cutting a hedge to a 'batter'?
A.
Cutting the hedge completely flat on all sides
B.
Creating decorative patterns on the hedge surface
C.
Making the base narrower than the top
D.
Tapering the hedge so base is wider than top
Question No. 14
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How many times should
Buxus sempervirens
(box) hedges be trimmed during the growing season?
A.
Once per season
B.
Twice or three times per season
C.
Four times per season
D.
Only once every two years
Question No. 15
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Which function is NOT typically served by hedges in horticulture?
A.
Screening unwanted areas
B.
Nitrogen fixation in all species
C.
Acting as windbreaks
D.
Marking boundaries and privacy
Question No. 16
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What is an evergreen hedge?
A.
A hedge that requires no maintenance
B.
A hedge that only flowers in spring
C.
A hedge grown only in tropical regions
D.
A hedge that keeps its green foliage year-round
Question No. 17
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Which plant is commonly used for evergreen hedges?
A.
Crataegus monogyna (hawthorn)
B.
Carpinus betulus (hornbeam)
C.
Fagus sylvatica (beech)
D.
Ligustrum (privet)
Question No. 18
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What is the recommended width limit for well-maintained formal hedges?
A.
Not exceeding 100 cm
B.
Not exceeding 60 cm
C.
Not exceeding 150 cm
D.
Not exceeding 200 cm
Question No. 19
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When should
Taxus baccata
(yew) formal hedges be trimmed?
A.
Once in spring only
B.
Three times in growing season
C.
Twice in summer and autumn
D.
Only in winter
Question No. 20
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What type of tools should be used for informal hedge pruning?
A.
Only electric hedge trimmers
B.
Chain saws exclusively
C.
Secateurs or loppers for natural finish
D.
No tools needed
Question No. 21
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Which example represents a tall ornamental hedge plant?
A.
Murraya paniculata
B.
Euphorbia bojeri
C.
Opuntia species
D.
Pedilanthus species
Question No. 22
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What is the primary difference between protective and ornamental hedges?
A.
Protective hedges are always shorter than ornamental
B.
Ornamental hedges require no maintenance
C.
Ornamental hedges have attractive foliage/flowers; protective have thorns for security
D.
Protective hedges cannot have flowers
Question No. 23
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How often should hedges be watered during summer season?
A.
Once in 10-15 days
B.
At weekly intervals
C.
Once a month
D.
Daily watering required
Question No. 24
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Which is an example of a dwarf protective hedge plant?
A.
Duranta plumieri
B.
Euphorbia bojeri
C.
Hamelia patens
D.
Lawsonia alba
Question No. 25
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What should be done to the trench before planting hedges?
A.
Fill immediately after digging
B.
Keep permanently empty
C.
Leave exposed for a fortnight to destroy harmful organisms
D.
Add chemical fertilizers only
Question No. 26
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For formative pruning of deciduous hedges, when should leading shoots be cut back?
A.
In winter just after planting
B.
Only in summer after flowering
C.
Only once after 3 years
D.
Never cut leading shoots
Question No. 27
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What should be done with evergreen hedge leading shoots during formative pruning?
A.
Leave unpruned
B.
Cut back by half
C.
Remove completely
D.
Top to 10 cm
Question No. 28
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Which characteristic makes
Photinia
hedge particularly appealing?
A.
Blue colored foliage
B.
Strong fragrance
C.
Coloured new growth after pruning
D.
Ability to grow in water
Question No. 29
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How many times should
Ligustrum
(privet) be trimmed during growing season?
A.
Twice or three times during growing season
B.
Once per season
C.
Four times per season
D.
Only in dormant season
Question No. 30
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What ecological function do hedges serve in agricultural areas?
A.
Reducing crop yield
B.
Increasing pest populations
C.
Supporting soil bacterial communities and biodiversity
D.
Depleting soil nutrients
Question No. 31
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When should
Crataegus monogyna
(hawthorn) hedges be trimmed?
A.
Once in spring only
B.
Twice in summer and autumn
C.
Three times in winter
D.
Once in winter only
Question No. 32
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What width should a trench be for planting hedges?
A.
10-20 cm wide
B.
80-100 cm wide
C.
100-150 cm wide
D.
30-60 cm wide
Question No. 33
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Which plants are suitable for informal hedges that support wildlife?
A.
Only plants with thorns
B.
Plants with natural flowering patterns
C.
Plants requiring frequent shearing
D.
Only evergreen conifers
Question No. 34
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What is the purpose of topping hedge plants multiple times?
A.
To kill weak plants
B.
To reduce root growth
C.
To produce several side growths for density
D.
To prevent flowering
Question No. 35
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Which factor determines the frequency of hedge trimming?
A.
Only the hedge height
B.
Soil pH only
C.
Only rainfall amount
D.
Season and type of plants
Question No. 36
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What should be refilled in the trench after exposure period?
A.
Sand only
B.
Gravel and stones
C.
Chemical fertilizers only
D.
Soil and well-rotten farmyard manure
Question No. 37
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How should weeding be managed for hedge plants?
A.
Allow weeds to grow for mulching
B.
Remove weeds as they appear, especially in early stages
C.
Weed only once per year
D.
Never weed hedge plants
Question No. 38
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Which conifer hedge requires trimming twice in spring and summer?
A.
Taxus baccata (yew)
B.
Chamaecyparis lawsoniana (Lawson's cypress)
C.
Thuja plicata
D.
All conifers equally
Question No. 39
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What is an 'edge' in horticultural terminology?
A.
The border of a lawn
B.
The top of a hedge
C.
A type of garden tool
D.
Low growing perennial plants grown on plot borders
Question No. 40
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Which propagation method is commonly used for edge plants?
A.
Seed sowing only
B.
Layering exclusively
C.
Root division in winter
D.
Terminal cuttings during rainy season
Question No. 41
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What minimum height barrier is required for organic crop herbaceous crops?
A.
At least 0.5 meter
B.
At least 2 meters
C.
At least 1 meter
D.
At least 3 meters
Question No. 42
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Which hedge plant is suitable for both ornamental and screening purposes?
A.
Agave species
B.
Hibiscus rosa-sinensis
C.
Opuntia species
D.
Pedilanthus species
Question No. 43
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What percentage of new growth should be removed when trimming established formal hedges?
A.
About 25% of new growth
B.
About 50% of new growth
C.
Nearly all young growth (less than a year old)
D.
No new growth removal needed
Question No. 44
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How is irrigation requirement for hedges affected by soil type?
A.
All soils require equal watering
B.
Heavy soils require more watering than light soils
C.
Light soils require more frequent watering than heavy soils
D.
Soil type does not affect irrigation
Question No. 45
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What should be avoided when establishing deciduous hedges?
A.
Selecting multiple-stemmed nursery stock
B.
Allowing untrimmed growth to final height before shearing
C.
Cutting plants back when planting
D.
Pruning in winter
Question No. 46
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Which is the correct initial size for deciduous hedge nursery stock?
A.
Trees 3-4 feet high
B.
Mature plants 5-6 feet high
C.
Young trees or shrubs 1-2 feet high
D.
Seedlings less than 6 inches
Question No. 47
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What happens if lower branches of a hedge are shaded out?
A.
They become more vigorous
B.
The hedge becomes less dense at the base
C.
They produce more flowers
D.
They grow faster
Question No. 48
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When should formative pruning of evergreen hedges be done?
A.
In summer for conifers, spring for other evergreens
B.
Only in autumn for all species
C.
Only in winter for all species
D.
In spring for conifers, summer for others
Question No. 49
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What is a 'chamfer' in hedge cutting?
A.
A completely flat top
B.
A rounded dome shape
C.
Top section cut at 45° angle to meet horizontal top
D.
An irregular natural shape
Question No. 50
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Which hedge plant characteristic is important for survival in variable climates?
A.
Plants requiring constant moisture
B.
Plants with shallow root systems only
C.
Aquatic plant species
D.
Plants that can withstand drought conditions
Question No. 51
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How should the initial planting of deciduous hedges be handled?
A.
Plant and allow to grow naturally
B.
Top plants to 2 feet when planting
C.
Remove all foliage when planting
D.
Cut plants back to 6-8 inches when planting
Question No. 52
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What type of hedge is most suitable for creating privacy screens?
A.
Dwarf formal hedges under 50 cm
B.
Sparse flowering hedges
C.
Ornamental edges under 30 cm
D.
Informal hedges with thick natural foliage
Question No. 53
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Which statement about hedge maintenance in rainy season is correct?
A.
No irrigation required except in drought
B.
Daily irrigation is essential
C.
Monthly irrigation is sufficient
D.
No maintenance needed
Question No. 54
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What is the typical height of edge plants?
A.
50-60 cm
B.
20-30 cm
C.
1-2 meters
D.
3-4 meters
Question No. 55
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Which plant is suitable for making perennial edges?
A.
Bougainvillea species
B.
Carissa carandas
C.
Alternanthera versicolor
D.
Acacia fernesiana
Question No. 56
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How does hedge planting benefit the soil microbiome?
A.
It depletes beneficial bacteria
B.
It has no effect on microorganisms
C.
It only affects fungal populations
D.
It improves fertility and increases microbial diversity
Question No. 57
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What is the minimum barrier height for tree crops in organic production?
A.
At least 1 meter
B.
At least 5 meters
C.
At least 2 meters
D.
At least 3 meters
Question No. 58
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Which characteristic is important for hedge plants in formal gardens?
A.
Inability to be shaped
B.
Stand trimming to shape easily
C.
Resistance to trimming
D.
Slow growth rate only
Question No. 59
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When can alternative planting time be used for hedges?
A.
November-December with frost protection
B.
September-October only
C.
May-June during hot weather
D.
February-March with regular water supply
Question No. 60
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What should happen to side shoots in the first year of deciduous hedge establishment?
A.
Leave completely unpruned
B.
Remove entirely
C.
Cut back to ground level
D.
Prune off half of the new growth
Question No. 61
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Which function do ornamental hedges primarily serve?
A.
Protection from animals only
B.
Crop yield enhancement
C.
Water conservation exclusively
D.
Decoration, coloring and perfuming environments
Question No. 62
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Which plant is an example of an evergreen conifer used for hedging?
A.
Carpinus betulus
B.
× Cuprocyparis leylandii (Leyland cypress)
C.
Fagus sylvatica
D.
Crataegus monogyna
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