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Soils & Pastures Flashcards | StudBud
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Soils & Pastures
Soils & Pastures
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68 cards
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Practice quiz
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Questions
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Answers
1
3P grasses are:
Productive
Persistant
Palatable
Perennial
2
Which of the following does NOT describe a herbaceous or forb plant?
Does not include legumes
Non-woody
Includes grasses
Broad leaf
3
Dicots have vascular bundles distributed as a ring
True
False
4
In the form of grain, grasses supply about 60% of world's food
True
False
5
The paddock outlined in red would have the highest pasture utilisation
True
False
6
Much of North Australia is Phosphorous Deficient
True
False
7
Feed that is usually comprised of shrubs/ trees which livestock consume in dry times describes...
Forage feed
Browsing/ top feed
8
Grazing enterprises are suited to Australia's arid climate and infertile soils
False
True
9
Tropical grasses have higher digestibility compared to temperate grasses
False
True
10
What are the 3 subfamilies in the Leguminosae family?
Fabaceae
Caesalpiniaceae
Mimosaceae
Cyperaceae
11
Grasses belong to family...
Fabacae
Poaceae
Leguminosae
Caesalpiniaceae
12
Dry season supplements include...
Molasses for energy
M4U
M8U
Urea for protein
13
The yellow part of this map depicts...
Mitchell Grass
Aristida Pastures
Black Spear grass
QLD Blue Grass
14
A trailing stem that produces roots at nodes above ground describes a...
Rhizome
Tiller
Ligule
Stolon
15
Examples of drought fodder include:
Mulga
Legumes
Prickly Acacia
Oats
16
In 2015, how many live cattle were exported to Indonesia/ Vietnam?
1.2 million
600,000
300,000
900,000
17
The following depicts rank grass:
False
True
18
This graph suggests that as stocking rates increase, palatable species of grass decrease
False
True
19
Yearly rainfall in Northern Aus. is easy to predict based off El Nino and La Nina seasons
False
True
20
Grass buds are protected from fire, grazing and hooves of animals
False
True
21
Guinea Grass is an example of a 3P Grass
True
False
22
Buffel and Guinea Grass are examples of native grasses
True
False
23
A legume is an example of a monocot
False
True
24
Some grasses in the Poaceae family contain toxins such as...
Prussic Acid (HCN)
Nitrates
Cyanide
Oxalates
25
What % of world meat comes form ruminants eating crops/ grasses/ grains?
45%
80%
65%
20%
26
Which of the following does NOT describe a monocot?
Flower Parts in multiples of 5s
No Secondary Growth
Distributed Vascular Bundles
Fibrous Root System
27
Terms Rangelands and Savannas overlap
True
False
28
C4 plants include temperate grasses, legumes, forbs and shrubs
False
True
29
Benefits of pasture legumes include:
Break crop disease
Convert nitrogen from unusable to usable
Build up soil fertility
Maintain grain yields
30
Why are sheep not farmed on the East Coast of QLD?
Lack of nutritious feed
Predation
Speargrass
Better suited to cattle farming
31
Which of the following is not a valuable fodder grass (in temperate regions)?
Weeping Grass
Cocksfoot
Kangaroo Grass
Native Sorghum
32
Why does Asia import live cattle from Australia?
Half of imported cattle are used for building up own nation's stock
Frozen meat is not as tender
Lack refrigeration facilities
It's cheaper
33
Which of the following is NOT a consequence of Woody Weeds?
Attract native animals
Lower pasture production
Costly to remove
Shade out pastures
34
Which of the following is NOT a characteristic of Bos Indicus:
Poor mothers
Tick resistance
Good foraging abilities
Heat resistance
35
Sown pastures alleviate see-saw growth pattern in Savanna areas
False
True
36
Savannah pastures are notoriously low in...
Phosphorous
Nitrogen
Carbon
pH (soils are acidic)
37
Wet tropics is associated with Zone E
True
False
38
Charter's Towers is located in...
Zone B
Zone A
Zone D
Zone C
39
Which of the following is NOT a characteristic of legumes?
Increase forage value
Higher digestibility than grasses
Decline in quality is greater than grasses
Rich in proteins and minerals
40
Fences are necessary for pasture, livestock management and conservation
False
True
41
Tillers originate from
Inflorescence
Rhizomes
Ligule
Stolons
42
Leaves usually arise from nodes
True
False
43
Pastures are...
Usually herbaceous plants
Grasslands
Natural or sown
Used for grazing
44
Wet/ Dry Savannah is associated with Zone C
True
False
45
Grasses belong to family...
Fabaceae
Leguminosae
Poaceae
46
This diagram suggests...
As grasses mature they become more nutritious
Wet season is more harmful to grasses than the dry season
Tropical grasses eventually die out due to drought
Tropical grasses have low digestibility and feed value once mature
47
This water placement layout suggests minimum utilisation and maximum conservation
False
True
48
Benefits to having different root systems in pastures include:
Utilisation of different parts of soil and water profiles
Utilisation of different levels of CO2
Increase in soil salinity levels
Difficulty to uproot some but not all
49
Pastures in good condition contain less than 40% decreaser species
False
True
50
Some legumes contain alkaloids which are toxic to animals
False
True
51
What are the 3 main geographic regions that are inhabited by different species of grasses?
Savanna
Monsoonal tropics
Temperate
Arid
52
Consequences of prolonged dry seasons include:
Cattle having lifetime fertility issues
Inability to muster cattle
High cattle prices
Cattle in very poor condition
53
Flinders grass is an example of annual, short-lived perennial grass
False
True
54
Tap rooted legumes like Lucerne reduce risks of dry land salinity
False
True
55
The predominate species in arid regions is the Spinifex
True
False
56
A triangular, solid, non-jointed stem describes a...
Grass
Legume
Sedge
Woody Shrub
57
Which of the following is not a C4 plant?
Succulents
Saltbushes
Broad leafed plants
Tropical grasses
58
In legumes, the fruit is the...
Pod
Stipe
Seed
Flower
59
Which of the following is NOT a drought survival strategy for rangeland plant types?
Seed dormancy
Aerial parts of plant die
Plant dormancy during drought
Development of stolon
60
Rainfall Variability is lowest in zones
B & C
A & E
61
Example of forage plants include:
Turnips
Oats
Sorgum
Prickly Acacia
62
65% of Australian landscape has agricultural land use
False
True
63
Palatable species are increaser species
True
False
64
Rhizobium bacteria in the root nodules of legumes produces biologically usable nitrogen
True
False
65
Bone chewing country refers to...
Pastures with bone coloured grass
Pastures that require fencing
Pastures that have high predation rates
Infertile soils (in drought)
66
Centro/ butterfly pea belongs to which leguminosae subfamily?
Caesalpiniaceae
Mimosaceae
Fabaceae
67
Sedges belong to family Cyperaceae
False
True
68
The following is an example of...
Rotational Grazing
Cell Grazing
Continuous Grazing
